2017-09-27 François Dumont <fdumont@gcc.gnu.org>

[official-gcc.git] / libstdc++-v3 / ChangeLog

2017-09-27  François Dumont  <fdumont@gcc.gnu.org>

        * testsuite/22_locale/money_get/get/char/22131.cc: Make test less
        istreambuf_iterator implementation dependent.
        * testsuite/22_locale/money_get/get/wchar_t/22131.cc: Likewise.

2017-09-25  Uros Bizjak  <ubizjak@gmail.com>

        PR c/81854
        * src/c++98/complex_io.cc (_GLIBCXX_LDBL_COMPAT): Declare alias
        target as a C++ function with no prototype.

2017-09-21  Jonathan Wakely  <jwakely@redhat.com>

        * testsuite/25_algorithms/clamp/1.cc: Fix order of arguments and
        expected results when using predicate defining reverse order.
        * testsuite/25_algorithms/clamp/constexpr.cc: Likewise.

2017-09-20  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/79162
        * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
        (basic_string::_If_sv): Remove from the overload set when the
        argument is derived from basic_string.

        PR libstdc++/79162
        * include/bits/basic_string.h (basic_string::_If_sv): Remove from the
        overload set when the argument is derived from basic_string.
        * testsuite/21_strings/basic_string/cons/char/moveable2_c++17.cc: New
        test.
        * testsuite/21_strings/basic_string/cons/wchar_t/moveable2_c++17.cc:
        New test.

        * testsuite/24_iterators/range_access_cpp17.cc: Fix order of dg-do
        and dg-options directives. Fix invalid test.

        PR libstdc++/81469
        * libsupc++/exception (uncaught_exception): Deprecate for C++17.
        * testsuite/18_support/exception_ptr/62258.cc: Add -Wno-deprecated.
        * testsuite/18_support/uncaught_exception/14026.cc: Likewise.

        * include/bits/c++config (_GLIBCXX17_DEPRECATED): Define.
        * include/bits/functional_hash.h (__hash_base::result_type)
        (__hash_base::argument_type): Add _GLIBCXX17_DEPRECATED.
        * include/std/optional (hash<optional<T>>::result_type)
        (hash<optional<T>>::argument_type): Add deprecated attribute.
        (__is_fast_hash<hash<optional<T>>>): Add partial specialization.
        * include/std/variant (hash<variant<Types...>>::result_type)
        (hash<variant<Types...>>::argument_type): Add deprecated attribute.
        (__is_fast_hash<hash<variant<Types...>>>): Add partial specialization.

        * libsupc++/exception_ptr.h (copy_exception): Remove deprecated
        non-standard function.

        PR libstdc++/82262
        * include/std/optional (__optional_hash_call_base): Add template
        parameter for remove_const_t<_Tp> and use it consistently.
        * testsuite/20_util/optional/hash.cc: Test optional<const T>.

2017-09-19  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/71500
        * include/bits/regex_executor.tcc
        (_Backref_matcher<BidIt, regex_traits<C>>::_M_apply): Use
        std::__equal4 instead of C++14 4-iterator overloads of std::equal.
        * include/bits/stl_algobase.h (__equal4): New functions implementing
        4-iterator overloads of std::equal for use in C++11.
        (equal(It1, It1, It2, It2), equal(It1, It1, It2, It2, BinaryPred)):
        Move function bodies to new __equal4 functions.
        * testsuite/28_regex/simple_c++11.cc: New.

        PR libstdc++/82254
        * include/std/type_traits (__is_invocable): Add partial specialization
        for INVOKE<void> case and remove is_void<R> check from partial
        specialization for INVOKE<R> case.
        (__is_nt_invocable_impl): New helper for is_nothrow_invocable_r.
        (is_nothrow_invocable_r): Use __is_nt_invocable_impl.
        * testsuite/20_util/is_nothrow_invocable/value.cc: Add tests for
        conversions that can throw or fail to convert. Use static assert
        strings to explain negative results.
        * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Use
        is_nothrow_constructible in is_nt_invocable_conv.

2017-09-18  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/81468
        * testsuite/20_util/duration/cons/dr1177.cc: Fix incorrect test and
        improve static assertion messages.

        * include/std/utility (_Itup_cat, _Make_integer_sequence): Remove.
        (_Build_index_tuple, make_integer_sequence): Use built-in to generate
        pack expansion.

        PR libstdc++/71187
        * include/std/type_traits (__declval): New function to deduce return
        type of declval.
        (__declval_protector::_delegate): Remove.
        (declval): Use __declval instead of add_rvalue_reference and
        __declval_protector::__delegate.
        * testsuite/20_util/declval/requirements/1_neg.cc: Adjust dg-error
        lineno.
        * testsuite/20_util/make_signed/requirements/typedefs_neg.cc:
        Likewise.
        * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
        Likewise.

2017-09-15  Jakub Jelinek  <jakub@redhat.com>

        * testsuite/libstdc++-prettyprinters/cxx17.cc: Use -std=c++17 or
        -std=gnu++17 instead of -std=c++1z or -std=gnu++1z.  Use c++17 instead
        of c++1z and c++17_only instead of c++1z_only.  Adjust expected
        diagnostics and comments refering to 1z to 17.
        * testsuite/30_threads/lock_guard/cons/deduction.cc: Likewise.
        * testsuite/30_threads/scoped_lock/cons/deduction.cc: Likewise.
        * testsuite/30_threads/scoped_lock/cons/1.cc: Likewise.
        * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Likewise.
        * testsuite/30_threads/scoped_lock/requirements/explicit_instantiation.cc:
        Likewise.
        * testsuite/30_threads/unique_lock/cons/deduction.cc: Likewise.
        * testsuite/18_support/launder/1.cc (test02): Likewise.
        * testsuite/18_support/launder/requirements_neg.cc: Likewise.
        * testsuite/18_support/launder/requirements.cc: Likewise.
        * testsuite/18_support/byte/requirements.cc: Likewise.
        * testsuite/18_support/byte/ops.cc: Likewise.
        * testsuite/18_support/byte/global_neg.cc: Likewise.
        * testsuite/18_support/uncaught_exceptions/uncaught_exceptions.cc:
        Likewise.
        * testsuite/27_io/types/4.cc: Likewise.
        * testsuite/25_algorithms/sample/81221.cc: Likewise.
        * testsuite/25_algorithms/sample/1.cc: Likewise.
        * testsuite/25_algorithms/sample/2.cc: Likewise.
        * testsuite/25_algorithms/search/searcher.cc: Likewise.
        * testsuite/28_regex/basic_regex/ctors/deduction.cc: Likewise.
        * testsuite/experimental/filesystem/path/construct/string_view.cc:
        Likewise.
        * testsuite/24_iterators/range_access_cpp17.cc: Likewise.
        * testsuite/24_iterators/container_access.cc: Likewise.
        * testsuite/ext/pb_ds/regression/hash_map_rand.cc: Likewise.
        * testsuite/ext/pb_ds/regression/trie_set_rand.cc: Likewise.
        * testsuite/ext/pb_ds/regression/hash_set_rand.cc: Likewise.
        * testsuite/ext/pb_ds/regression/list_update_set_rand.cc: Likewise.
        * testsuite/ext/pb_ds/regression/list_update_map_rand.cc: Likewise.
        * testsuite/ext/pb_ds/regression/priority_queue_rand.cc: Likewise.
        * testsuite/ext/pb_ds/regression/tree_set_rand.cc: Likewise.
        * testsuite/ext/pb_ds/regression/tree_map_rand.cc: Likewise.
        * testsuite/ext/pb_ds/regression/trie_map_rand.cc: Likewise.
        * testsuite/20_util/shared_ptr/casts/reinterpret.cc: Likewise.
        * testsuite/20_util/shared_ptr/cons/deduction.cc: Likewise.
        * testsuite/20_util/shared_ptr/cons/array.cc: Likewise.
        * testsuite/20_util/shared_ptr/observers/array.cc (struct A): Likewise.
        * testsuite/20_util/pair/cons/deduction.cc: Likewise.
        * testsuite/20_util/variant/deduction.cc: Likewise.
        * testsuite/20_util/tuple/78939.cc: Likewise.
        * testsuite/20_util/tuple/cons/deduction.cc: Likewise.
        * testsuite/20_util/void_t/1.cc: Likewise.
        * testsuite/20_util/duration/arithmetic/constexpr_c++17.cc: Likewise.
        * testsuite/20_util/unique_ptr/cons/deduction_neg.cc: Likewise.
        * testsuite/20_util/addressof/requirements/constexpr.cc: Likewise.
        * testsuite/20_util/weak_ptr/cons/deduction.cc: Likewise.
        * testsuite/20_util/has_unique_object_representations/requirements/typedefs.cc:
        Likewise.
        * testsuite/20_util/has_unique_object_representations/requirements/explicit_instantiation.cc:
        Likewise.
        * testsuite/20_util/has_unique_object_representations/value.cc:
        Likewise.
        * testsuite/20_util/time_point/arithmetic/constexpr.cc: Likewise.
        * testsuite/20_util/function_objects/invoke/59768.cc: Likewise.
        * testsuite/20_util/function_objects/mem_fn/80478.cc: Likewise.
        * testsuite/20_util/function/cons/deduction.cc: Likewise.
        * testsuite/20_util/specialized_algorithms/memory_management_tools/destroy_neg.cc:
        Likewise.
        * testsuite/20_util/is_aggregate/requirements/typedefs.cc: Likewise.
        * testsuite/20_util/is_aggregate/requirements/explicit_instantiation.cc:
        Likewise.
        * testsuite/20_util/is_aggregate/value.cc: Likewise.
        * testsuite/26_numerics/lcm/1.cc: Likewise.
        * testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
        * testsuite/26_numerics/gcd/1.cc: Likewise.
        * testsuite/26_numerics/gcd/gcd_neg.cc: Likewise.
        * testsuite/26_numerics/valarray/deduction.cc: Likewise.
        * testsuite/26_numerics/headers/cmath/types_std_c++0x_neg.cc: Likewise.
        * testsuite/26_numerics/headers/cmath/hypot.cc: Likewise.
        * testsuite/23_containers/queue/members/emplace_cxx17_return.cc:
        Likewise.
        * testsuite/23_containers/array/cons/deduction.cc: Likewise.
        * testsuite/23_containers/array/cons/deduction_neg.cc: Likewise.
        * testsuite/23_containers/deque/modifiers/emplace/cxx17_return.cc:
        Likewise.
        * testsuite/23_containers/deque/cons/deduction.cc: Likewise.
        * testsuite/23_containers/stack/members/emplace_cxx17_return.cc:
        Likewise.
        * testsuite/23_containers/list/modifiers/emplace/cxx17_return.cc:
        Likewise.
        * testsuite/23_containers/list/cons/deduction.cc: Likewise.
        * testsuite/23_containers/forward_list/modifiers/emplace_cxx17_return.cc:
        Likewise.
        * testsuite/23_containers/forward_list/cons/deduction.cc: Likewise.
        * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Likewise.
        * testsuite/23_containers/vector/modifiers/emplace/cxx17_return.cc:
        Likewise.
        * testsuite/23_containers/vector/cons/deduction.cc: Likewise.
        * testsuite/23_containers/vector/bool/emplace_cxx17_return.cc:
        Likewise.
        * testsuite/21_strings/basic_string/cons/char/9.cc: Likewise.
        * testsuite/21_strings/basic_string/cons/char/deduction.cc: Likewise.
        * testsuite/21_strings/basic_string/cons/char/79162.cc: Likewise.
        * testsuite/21_strings/basic_string/cons/wchar_t/9.cc: Likewise.
        * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
        Likewise.
        * testsuite/21_strings/basic_string/cons/wchar_t/79162.cc: Likewise.
        * testsuite/21_strings/basic_string_view/modifiers/swap/char/1.cc:
        Likewise.
        * testsuite/21_strings/basic_string_view/modifiers/swap/wchar_t/1.cc:
        Likewise.
        * testsuite/21_strings/basic_string_view/operations/compare/char/2.cc:
        Likewise.
        * testsuite/21_strings/basic_string_view/operations/compare/char/70483.cc:
        Likewise.
        * testsuite/21_strings/basic_string_view/operations/compare/wchar_t/2.cc:
        Likewise.
        * testsuite/21_strings/char_traits/requirements/constexpr_functions_c++17.cc:
        Likewise.

2017-09-13  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/81468
        * include/std/chrono (__enable_if_is_duration)
        (__disable_if_is_duration): New alias templates to simplify SFINAE.
        (duration_cast, floor, ceil): Use __enable_if_is_duration.
        (duration::__is_float, duration::__is_harmonic): New alias templates
        to simplify SFINAE.
        (duration::duration(const _Rep2&)): Use _Require, __is_float and
        __is_harmonic.
        (duration::duration(const duration<_Rep2, _Period2>&)): Likewise.
        (__common_rep_type): Remove, replace with ...
        (__common_rep_t): New alias template.
        (operator*, operator/, operator%): Use __common_rep_t and
        __disable_if_is_duration.
        (time_point::time_point(const time_point<clock, _Dur2>&)): Add missing
        constraint from LWG DR 1177.
        * testsuite/20_util/duration/cons/dr1177.cc: New.
        * testsuite/20_util/duration/literals/range.cc: Update dg-error line.
        * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
        * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
        * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
        * testsuite/20_util/time_point/cons/81468.cc: New.

        * doc/doxygen/mainpage.html: Fix broken URLs.

        PR libstdc++/81835
        * doc/xml/manual/extensions.xml: Replace unstable URL.
        * doc/html/manual/ext_demangling.html: Regenerate.
        * libsupc++/cxxabi.h (__cxa_demangle): Fix broken URL.

        * include/bits/allocated_ptr.h (__allocated_ptr::get): Use
        __to_address.
        (__allocated_ptr::_S_raw_ptr): Remove.
        * include/bits/forward_list.h (_Fwd_list_base::_M_get_node): Use
        __to_address.
        * include/bits/hashtable_policy.h (_Hashtable_alloc): Likewise.
        * include/bits/ptr_traits.h (__to_address): Define new function
        template.
        * include/bits/shared_ptr_base.h (__shared_ptr): Use __to_address.
        (__shared_ptr::_S_raw_ptr): Remove.
        * include/bits/stl_vector.h [__cplusplus >= 201103L]
        (vector::_M_data_ptr): Use __to_address.
        [__cplusplus < 201103L] (vector::_M_data_ptr): Don't dereference
        possibly invalid pointers.
        * include/ext/alloc_traits.h (__alloc_traits::construct)
        (__alloc_traits::destroy): Use __to_address.

2017-09-12  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/79433
        * include/Makefile.am: Remove <bits/c++14_warning.h>.
        * include/Makefile.in: Regenerate.
        * include/bits/c++14_warning.h: Remove.
        * include/experimental/algorithm: Do not include <c++14_warning.h>.
        * include/experimental/any: Likewise.
        * include/experimental/array: Likewise.
        * include/experimental/bits/erase_if.h: Likewise.
        * include/experimental/bits/lfts_config.h: Likewise.
        * include/experimental/bits/shared_ptr.h: Likewise.
        * include/experimental/bits/string_view.tcc: Likewise.
        * include/experimental/chrono: Likewise.
        * include/experimental/deque: Likewise.
        * include/experimental/filesystem: Do not include <c++0x_warning.h>.
        * include/experimental/forward_list: Do not include <c++14_warning.h>.
        * include/experimental/functional: Likewise.
        * include/experimental/iterator: Likewise.
        * include/experimental/list: Likewise.
        * include/experimental/map: Likewise.
        * include/experimental/memory: Likewise.
        * include/experimental/numeric: Likewise.
        * include/experimental/optional: Likewise.
        * include/experimental/propagate_const: Likewise.
        * include/experimental/ratio: Likewise.
        * include/experimental/regex: Likewise.
        * include/experimental/set: Likewise.
        * include/experimental/string: Likewise.
        * include/experimental/string_view: Likewise.
        * include/experimental/system_error: Likewise.
        * include/experimental/tuple: Likewise.
        * include/experimental/type_traits: Likewise.
        * include/experimental/unordered_map: Likewise.
        * include/experimental/unordered_set: Likewise.
        * include/experimental/vector: Likewise.
        * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error
        line number.
        * testsuite/experimental/array/neg.cc: Likewise.
        * testsuite/experimental/propagate_const/assignment/move_neg.cc:
        Likewise.
        * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
        * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
        * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
        * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
        * testsuite/experimental/propagate_const/requirements5.cc: Likewise.

        PR libstdc++/79433
        * doc/xml/manual/status_cxx2017.xml: Update feature-test macros.
        * doc/html/*: Regenerate.
        * include/Makefile.am: Remove <bits/c++17_warning.h>.
        * include/Makefile.in: Regenerate.
        * include/bits/c++17_warning.h: Remove.
        * include/bits/string_view.tcc: Do not include <bits/c++17_warning.h>
        for pre-C++17 modes.
        * include/std/any: Likewise.
        (__cpp_lib_any): Define.
        * include/std/mutex (__cpp_lib_scoped_lock): Adjust value as per new
        SD-6 draft.
        * include/std/numeric (__cpp_lib_gcd_lcm): Define as per new SD-6
        draft.
        * include/std/optional: Do not include <bits/c++17_warning.h>.
        (__cpp_lib_optional): Define.
        * include/std/shared_mutex: Do not include <bits/c++14_warning.h>.
        * include/std/string_view: Do not include <bits/c++17_warning.h>.
        (__cpp_lib_string_view): Define.
        * include/std/variant: Do not include <bits/c++17_warning.h>.
        (__cpp_lib_variant): Define.
        * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error line
        numbers.
        * testsuite/26_numerics/gcd/1.cc: Test for __cpp_lib_gcd_lcm.
        * testsuite/26_numerics/gcd/gcd_neg.cc: Adjust dg-error line
        numbers.
        * testsuite/26_numerics/lcm/1.cc: Test for __cpp_lib_gcd_lcm.
        * testsuite/26_numerics/lcm/lcm_neg.cc: Adjust dg-error line
        numbers.
        * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Adjust
        expected value of __cpp_lib_scoped_lock.

        PR libstdc++/70483
        * include/experimental/bits/string_view.tcc (basic_string_view::find)
        (basic_string_view::rfind, basic_string_view::find_first_of)
        (basic_string_view::find_last_of, basic_string_view::find_first_not_of)
        (basic_string_view::find_last_not_of): Add constexpr specifier.
        * include/experimental/string_view (basic_string_view::remove_prefix)
        (basic_string_view::remove_suffix, basic_string_view::swap)
        (basic_string_view::compare, basic_string_view::find)
        (basic_string_view::rfind, basic_string_view::find_first_of)
        (basic_string_view::find_last_of, basic_string_view::find_first_not_of)
        (basic_string_view::find_last_not_of, operator==, operator!=)
        (operator<, operator>, operator<=, operator>=): Likewise.
        * testsuite/experimental/string_view/operations/compare/char/70483.cc:
        New.

2017-09-11  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/70483
        * include/bits/string_view.tcc (basic_string_view::find)
        (basic_string_view::rfind, basic_string_view::find_first_of)
        (basic_string_view::find_last_of, basic_string_view::find_first_not_of)
        (basic_string_view::find_last_not_of): Add constexpr specifier.
        * include/std/string_view (basic_string_view::operator=)
        (basic_string_view::rbegin, basic_string_view::rend)
        (basic_string_view::crbegin, basic_string_view::crend)
        (basic_string_view::remove_prefix, basic_string_view::remove_suffix)
        (basic_string_view::swap, basic_string_view::compare)
        (basic_string_view::find, basic_string_view::rfind)
        (basic_string_view::find_first_of, basic_string_view::find_last_of)
        (basic_string_view::find_first_not_of)
        (basic_string_view::find_last_not_of, basic_string_view::_M_check)
        (basic_string_view::_M_limit, operator==, operator!=, operator<)
        (operator>, operator<=, operator>=): Likewise.
        * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
        char/1.cc: Repeat tests in constexpr context.
        * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
        wchar_t/1.cc: Likewise.
        * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
        char/1.cc: Likewise.
        * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
        wchar_t/1.cc: Likewise.
        * testsuite/21_strings/basic_string_view/operations/find/char/1.cc:
        Likewise.
        * testsuite/21_strings/basic_string_view/operations/find/char/2.cc:
        Likewise.
        * testsuite/21_strings/basic_string_view/operations/find/char/3.cc:
        Likewise.
        * testsuite/21_strings/basic_string_view/operations/find/wchar_t/1.cc:
        Likewise.
        * testsuite/21_strings/basic_string_view/operations/find/wchar_t/2.cc:
        Likewise.
        * testsuite/21_strings/basic_string_view/operations/find/wchar_t/3.cc:
        Likewise.
        * testsuite/21_strings/basic_string_view/operators/char/2.cc:
        Likewise.
        * testsuite/21_strings/basic_string_view/operators/wchar_t/2.cc:
        Likewise.
        * testsuite/21_strings/basic_string_view/range_access/char/1.cc: Test
        cbegin, cend, rbegin, rend, crbegin and crend.
        * testsuite/21_strings/basic_string_view/range_access/wchar_t/1.cc:
        Likewise.
        * testsuite/21_strings/basic_string_view/operations/compare/char/1.cc:
        Remove trailing whitespace.
        * testsuite/21_strings/basic_string_view/operations/compare/wchar_t/
        1.cc: Likewise.
        * testsuite/21_strings/basic_string_view/modifiers/swap/char/1.cc:
        New.
        * testsuite/21_strings/basic_string_view/modifiers/swap/wchar_t/1.cc:
        New.
        * testsuite/21_strings/basic_string_view/operations/compare/char/2.cc:
        New.
        * testsuite/21_strings/basic_string_view/operations/compare/wchar_t/
        2.cc: New.

2017-09-11  Tim Shen  <timshen@google.com>

        PR libstdc++/71500
        * include/bits/regex_executor.tcc: Support icase in regex_traits<...>
        for back reference matches.
        * testsuite/28_regex/regression.cc: Test case.

2017-09-11  Jonathan Wakely  <jwakely@redhat.com>

        * testsuite/21_strings/basic_string/lwg2946.cc: Adjust for
        compatibility with old COW std::string.

2017-09-09  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/xml/manual/allocator.xml: Adjust link for Hoard.
        * doc/html/manual/memory.html: Regenerate.

2017-09-04  Daniel Kruegler  <daniel.kruegler@gmail.com>

        PR libstdc++/79162
        Implement LWG 2946, LWG 2758's resolution missed further corrections
        * include/bits/basic_string.h (basic_string::compare): Add missing
        required noexcept specifications.
        (basic_string): Introduce internal _S_to_string_view and __sv_wrapper
        for implicit string_view conversion.
        (basic_string::basic_string): Fix explicit string_view conversion by
        implicit conversion using _S_to_string_view and __sv_wrapper.
        (basic_string): Introduce internal basic_string(__sv_wrapper, Alloc)
        constructor.
        (basic_string): Fix operator=(T) template by operator=(const T&)
        template for uncopyable types (PR 79162).
        (basic_string::operator+=, basic_string::append, basic_string::assign)
        (basic_string::insert, basic_string::replace, basic_string::find)
        (basic_string::rfind, basic_string::find_first_of)
        (basic_string::find_last_of, basic_string::find_first_not_of)
        (basic_string::find_last_not_of, basic_string::compare): Replace
        __sv_type argument by template const T& (LWG 2946) and correct
        documentation describing __sv_type argument.
        (basic_string::find, basic_string::rfind, basic_string::find_first_of)
        (basic_string::find_last_of, basic_string::find_first_not_of)
        (basic_string::find_last_not_of, basic_string::compare): Replace
        unconditional noexcept specification by conditional noexcept
        specification to partially balance the removal of noexcept by LWG 2946.
        * testsuite/21_strings/basic_string/79162.cc: New.
        * testsuite/21_strings/basic_string/lwg2946.cc: New.

2017-08-31  Jonathan Wakely  <jwakely@redhat.com>

        PR c++/82039
        * include/ext/new_allocator.h (__gnu_cxx::new_allocator::allocate):
        Adjust null pointer constant to avoid warning.

2017-08-24  François Dumont  <fdumont@gcc.gnu.org>

        * include/bits/stl_list.h
        [!_GLIBCXX_INLINE_VERSION](_List_base<>::_S_distance): Remove.
        (_List_impl(_Node_alloc_type&&, _List_impl&&)): New.
        (_List_base(_Node_alloc_type&&, _List_base&&)): New, use latter.
        [!_GLIBCXX_INLINE_VERSION](_List_base(_Node_alloc_type&&,_List_base&&)):
        Remove.
        (_List_base(_Node_alloc_type&&)): New.
        [!_GLIBCXX_INLINE_VERSION](_List_base<>::_M_distance): Remove.
        [!_GLIBCXX_INLINE_VERSION](_List_base<>::_M_node_count): Remove.
        (list<>::_M_node_count): New.
        (list<>::size()): Adapt to call latter.
        (list<>::_S_distance(const_iterator, const_iterator)): New.
        (list<>::splice(iterator, list&, const_iterator, const_iterator)):
        Adapt to call latter.
        (list(list&&, const allocator_type&, true_type)): New.
        (list(list&&, const allocator_type&, false_type)): New.
        (list(list&&, const allocator_type&)): Adapt to call latters.

2017-08-21  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/81912
        * include/bits/stl_iterator_base_types.h (__iterator_category): Add
        constexpr for C++11 and later.
        * testsuite/24_iterators/container_access.cc: Add target selector.
        * testsuite/24_iterators/range_access.cc: Fix clause number in
        comment.
        * testsuite/24_iterators/range_access_cpp14.cc: Likewise.
        * testsuite/24_iterators/range_access_cpp17.cc: New.

2017-08-21  Richard Biener  <rguenther@suse.de>

        * testsuite/libstdc++-prettyprinters/prettyprinters.exp: Run all
        tests with -flto as well if supported.

2017-08-20  Martin Sebor  <msebor@redhat.com>

        PR c/81854
        * src/c++98/compatibility.cc (_GLIBCXX_3_4_SYMVER): Declare alias
        target as a C++ function with no prototype.
        (_GLIBCXX_3_4_5_SYMVER): Ditto.

2017-08-20  John David Anglin  <danglin@gcc.gnu.org>

        PR testsuite/81056
        * testsuite/17_intro/names.cc: Undef 'd' and 'r' on __hpux__.

2017-08-18  Jonathan Wakely  <jwakely@redhat.com>

        * include/bits/hashtable_policy.h (_ReuseOrAllocNode): Remove
        __value_alloc_type and __value_alloc_traits typedefs.
        (_ReuseOrAllocNode::operator()): Call construct and destroy on the
        node allocator.
        (_Hashtable_alloc): Simplify __value_alloc_traits typedef.
        (_Hashtable_alloc<_NodeAlloc>::_M_allocate_node(_Args&&...)): Call
        construct on the node allocator.
        (_Hashtable_alloc<_NodeAlloc>::_M_deallocate_node(__node_type*)): Call
        destroy on the node allocator.

        PR libstdc++/81891
        * include/bits/hashtable.h (_Hashtable(_InputIterator, _InputIterator,
        size_type, const _H1&, const _H2&, const _Hash&, const _Equal&,
        const _ExtractKey&, const allocator_type&)): Let destructor do clean
        up if an exception is thrown.
        * testsuite/23_containers/unordered_map/cons/81891.cc: New.

2017-08-11  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/81808
        * testsuite/27_io/basic_fstream/53984.cc: Adjust test for targets
        that allow opening a directory as a FILE and reading from it.

2017-08-09  Jonathan Wakely  <jwakely@redhat.com>

        * include/std/type_traits (_GLIBCXX_NO_BUILTIN_HAS_UNIQ_OBJ_REP):
        Replace with _GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP and use
        __is_identifier to set it.

2017-08-09  Katsuhiko Nishimra  <ktns.87@gmail.com>

        * include/std/type_traits (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Use
        __is_identifier instead of __has_builtin.

2017-08-09  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/79820
        PR libstdc++/81751
        * config/io/basic_file_stdio.cc (sys_open(FILE*, ios_base::openmode)):
        Call fflush on the stream instead of calling sync() while _M_cfile is
        null. Restore original value of errno.
        * testsuite/ext/stdio_filebuf/char/79820.cc: New.
        * testsuite/ext/stdio_filebuf/char/81751.cc: New.

2017-07-31  Marek Polacek  <polacek@redhat.com>

        PR libstdc++/81599
        * include/bits/stl_stack.h: Fix typo.

2017-07-26  Jonathan Wakely  <jwakely@redhat.com>

        * testsuite/27_io/basic_fstream/53984.cc: Fix test.

2017-07-26  Paolo Carlini  <paolo.carlini@oracle.com>

        * testsuite/27_io/basic_fstream/53984.cc: Fix typo in dg-require
        directive.

2017-07-25  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/53984
        * include/bits/basic_ios.h (basic_ios::_M_setstate): Adjust comment.
        * include/bits/istream.tcc (basic_istream::sentry): Handle exceptions
        during construction.
        * include/std/istream: Adjust comments for formatted input functions
        and unformatted input functions.
        * testsuite/27_io/basic_fstream/53984.cc: New.
        * testsuite/27_io/basic_istream/sentry/char/53984.cc: New.

        * include/bits/ios_base.h (ios_base::io_state, ios_base::open_mode)
        (ios_base::seek_dir): Remove for C++17.
        * include/std/streambuf (basic_streambuf::stossc): Remove for C++17.
        Add deprecated attribute for C++11 and C++14.
        * testsuite/27_io/types/1.cc: Don't run for C++17 and later.
        * testsuite/27_io/types/4.cc: New.

2017-07-23  Michael Collison  <michael.collison@arm.com>

        Add optimized implementation of mersenne twister for aarch64
        * config/cpu/aarch64/opt/ext/opt_random.h: New file.
        (__arch64_recursion): New function.
        (__aarch64_lsr_128): New function.
        (__aarch64_lsl_128): New function.
        (operator==): New function.
        (simd_fast_mersenne_twister_engine): Implement
        method _M_gen_rand.
        * config/cpu/aarch64/opt/bits/opt_random.h: New file.
        * include/ext/random: (simd_fast_mersenne_twister_engine):
        add _M_state private array.

2017-07-23  François Dumont  <fdumont@gcc.gnu.org>

        PR libstdc++/81064
        * include/bits/algorithmfwd.h: Reorganize versioned namespace.
        * include/bits/basic_string.h: Likewise.
        * include/bits/c++config: Likewise.
        * include/bits/deque.tcc: Likewise.
        * include/bits/forward_list.h: Likewise.
        * include/bits/forward_list.tcc: Likewise.
        * include/bits/hashtable_policy.h: Likewise.
        * include/bits/list.tcc: Likewise.
        * include/bits/move.h: Likewise.
        * include/bits/quoted_string.h: Likewise.
        * include/bits/random.h: Likewise.
        * include/bits/random.tcc: Likewise.
        * include/bits/regex.h: Likewise.
        * include/bits/regex.tcc: Likewise.
        * include/bits/regex_automaton.h: Likewise.
        * include/bits/regex_automaton.tcc: Likewise.
        * include/bits/regex_compiler.h: Likewise.
        * include/bits/regex_compiler.tcc: Likewise.
        * include/bits/regex_constants.h: Likewise.
        * include/bits/regex_error.h: Likewise.
        * include/bits/regex_executor.h: Likewise.
        * include/bits/regex_executor.tcc: Likewise.
        * include/bits/regex_scanner.h: Likewise.
        * include/bits/regex_scanner.tcc: Likewise.
        * include/bits/specfun.h: Likewise.
        * include/bits/stl_algo.h: Likewise.
        * include/bits/stl_algobase.h: Likewise.
        * include/bits/stl_bvector.h: Likewise.
        * include/bits/stl_deque.h: Likewise.
        * include/bits/stl_iterator.h: Likewise.
        * include/bits/stl_iterator_base_funcs.h: Likewise.
        * include/bits/stl_list.h: Likewise.
        * include/bits/stl_map.h: Likewise.
        * include/bits/stl_multimap.h: Likewise.
        * include/bits/stl_multiset.h: Likewise.
        * include/bits/stl_relops.h: Likewise.
        * include/bits/stl_set.h: Likewise.
        * include/bits/stl_vector.h: Likewise.
        * include/bits/uniform_int_dist.h: Likewise.
        * include/bits/unordered_map.h: Likewise.
        * include/bits/unordered_set.h: Likewise.
        * include/bits/vector.tcc: Likewise.
        * include/c_global/cmath: Likewise.
        * include/c_std/cmath: Likewise.
        * include/decimal/decimal: Likewise.
        * include/decimal/decimal.h: Likewise.
        * include/experimental/algorithm: Likewise.
        * include/experimental/any: Likewise.
        * include/experimental/array: Likewise.
        * include/experimental/bits/erase_if.h: Likewise.
        * include/experimental/bits/fs_dir.h: Likewise.
        * include/experimental/bits/fs_fwd.h: Likewise.
        * include/experimental/bits/fs_ops.h: Likewise.
        * include/experimental/bits/fs_path.h: Likewise.
        * include/experimental/bits/lfts_config.h: Likewise.
        * include/experimental/bits/shared_ptr.h: Likewise.
        * include/experimental/bits/string_view.tcc: Likewise.
        * include/experimental/chrono: Likewise.
        * include/experimental/deque: Likewise.
        * include/experimental/filesystem: Likewise.
        * include/experimental/forward_list: Likewise.
        * include/experimental/functional: Likewise.
        * include/experimental/iterator: Likewise.
        * include/experimental/list: Likewise.
        * include/experimental/map: Likewise.
        * include/experimental/memory: Likewise.
        * include/experimental/memory_resource: Likewise.
        * include/experimental/numeric: Likewise.
        * include/experimental/optional: Likewise.
        * include/experimental/propagate_const: Likewise.
        * include/experimental/random: Likewise.
        * include/experimental/ratio: Likewise.
        * include/experimental/regex: Likewise.
        * include/experimental/set: Likewise.
        * include/experimental/source_location: Likewise.
        * include/experimental/string: Likewise.
        * include/experimental/string_view: Likewise.
        * include/experimental/system_error: Likewise.
        * include/experimental/tuple: Likewise.
        * include/experimental/type_traits: Likewise.
        * include/experimental/unordered_map: Likewise.
        * include/experimental/unordered_set: Likewise.
        * include/experimental/utility: Likewise.
        * include/experimental/vector: Likewise.
        * include/ext/bitmap_allocator.h: Likewise.
        * include/ext/codecvt_specializations.h: Likewise.
        * include/ext/rope: Likewise.
        * include/ext/typelist.h: Likewise.
        * include/std/chrono: Likewise.
        * include/std/complex: Likewise.
        * include/std/functional: Likewise.
        * include/std/numeric: Likewise.
        * include/std/string_view: Likewise.
        * include/std/thread: Likewise.
        * include/std/variant: Likewise.
        * include/tr1/array: Likewise.
        * include/tr1/bessel_function.tcc: Likewise.
        * include/tr1/beta_function.tcc: Likewise.
        * include/tr1/cmath: Likewise.
        * include/tr1/complex: Likewise.
        * include/tr1/ell_integral.tcc: Likewise.
        * include/tr1/exp_integral.tcc: Likewise.
        * include/tr1/functional: Likewise.
        * include/tr1/functional_hash.h: Likewise.
        * include/tr1/gamma.tcc: Likewise.
        * include/tr1/hashtable.h: Likewise.
        * include/tr1/hashtable_policy.h: Likewise.
        * include/tr1/hypergeometric.tcc: Likewise.
        * include/tr1/legendre_function.tcc: Likewise.
        * include/tr1/modified_bessel_func.tcc: Likewise.
        * include/tr1/poly_hermite.tcc: Likewise.
        * include/tr1/poly_laguerre.tcc: Likewise.
        * include/tr1/random.h: Likewise.
        * include/tr1/random.tcc: Likewise.
        * include/tr1/regex: Likewise.
        * include/tr1/riemann_zeta.tcc: Likewise.
        * include/tr1/shared_ptr.h: Likewise.
        * include/tr1/special_function_util.h: Likewise.
        * include/tr1/tuple: Likewise.
        * include/tr1/type_traits: Likewise.
        * include/tr1/unordered_map.h: Likewise.
        * include/tr1/unordered_set.h: Likewise.
        * include/tr1/utility: Likewise.
        * include/tr2/bool_set: Likewise.
        * include/tr2/bool_set.tcc: Likewise.
        * include/tr2/dynamic_bitset: Likewise.
        * include/tr2/dynamic_bitset.tcc: Likewise.
        * include/tr2/ratio: Likewise.
        * include/tr2/type_traits: Likewise.
        * src/c++11/chrono.cc: Likewise.
        * src/c++11/compatibility-c++0x.cc: Likewise.
        * src/c++11/compatibility-chrono.cc: Likewise.
        * src/c++11/cxx11-shim_facets.cc: Likewise.
        * src/c++11/hashtable_c++0x.cc: Likewise.
        * src/c++11/placeholders.cc: Likewise.
        * src/c++11/thread.cc: Likewise.
        * src/c++98/bitmap_allocator.cc: Likewise.
        * src/c++98/hashtable_tr1.cc: Likewise.
        * src/c++98/list.cc: Likewise.
        * src/shared/hashtable-aux.cc: Likewise.
        * testsuite/20_util/duration/literals/range.cc: Adapt line number.
        * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
        * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
        * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
        * testsuite/20_util/forward/c_neg.cc: Likewise.
        * testsuite/20_util/forward/f_neg.cc: Likewise.
        * testsuite/26_numerics/gcd/gcd_neg.cc: Likewise.
        * testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
        * testsuite/26_numerics/random/pr60037-neg.cc: Likewise.
        * python/libstdcxx/v6/printers.py: Adapt.

2017-07-20  Jonathan Wakely  <jwakely@redhat.com>

        * config/allocator/malloc_allocator_base.h [__SANITIZE_ADDRESS__]
        (_GLIBCXX_SANITIZE_STD_ALLOCATOR): Define.
        * config/allocator/new_allocator_base.h [__SANITIZE_ADDRESS__]
        (_GLIBCXX_SANITIZE_STD_ALLOCATOR): Define.
        * doc/xml/manual/using.xml (_GLIBCXX_SANITIZE_VECTOR): Document macro.
        * include/bits/stl_vector.h [_GLIBCXX_SANITIZE_VECTOR]
        (_Vector_impl::_Asan, _Vector_impl::_Asan::_Reinit)
        (_Vector_impl::_Asan::_Grow, _GLIBCXX_ASAN_ANNOTATE_REINIT)
        (_GLIBCXX_ASAN_ANNOTATE_GROW, _GLIBCXX_ASAN_ANNOTATE_GREW)
        (_GLIBCXX_ASAN_ANNOTATE_SHRINK, _GLIBCXX_ASAN_ANNOTATE_BEFORE_DEALLOC):
        Define annotation helper types and macros.
        (vector::~vector, vector::push_back, vector::pop_back)
        (vector::_M_erase_at_end): Add annotations.
        * include/bits/vector.tcc (vector::reserve, vector::emplace_back)
        (vector::insert, vector::_M_erase, vector::operator=)
        (vector::_M_fill_assign, vector::_M_assign_aux)
        (vector::_M_insert_rval, vector::_M_emplace_aux)
        (vector::_M_insert_aux, vector::_M_realloc_insert)
        (vector::_M_fill_insert, vector::_M_default_append)
        (vector::_M_shrink_to_fit, vector::_M_range_insert): Annotate.

2017-07-19  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/81476
        * include/bits/vector.tcc (vector::_M_range_insert<_InputIterator>):
        Only insert elements one-by-one when inserting at the end.
        * testsuite/performance/23_containers/insert/81476.cc: New.

2017-07-19  Volker Reichelt  <v.reichelt@netcologne.de>

        * libsupc++/new (bad_array_new_length): Remove redundant
        semicolon after in-class member function definition.
        * include/bits/locale_facets.h (ctype_byname, num_put): Likewise.
        * include/bits/locale_facets_nonio.h (time_put_byname): Likewise.
        * include/bits/random.h (mersenne_twister_engine): Likewise.
        * include/tr1/random.h (mersenne_twister): Likewise
        * include/ext/random (simd_fast_mersenne_twister_engine): Likewise.
        * include/ext/rope (char_producer, _Rope_char_consumer,
        _Rope_self_destruct_ptr, _Rope_const_iterator, _Rope_iterator):
        Likewise.
        * include/ext/ropeimpl.h (_Rope_flatten_char_consumer,
        _Rope_insert_char_consumer): Likewise.

2017-07-19  Jonathan Wakely  <jwakely@redhat.com>

        * include/bits/fstream.tcc (basic_filebuf::xsgetn)
        (basic_filebuf::xsputn, basic_filebuf::seekoff): Fix indentation.

        * testsuite/util/testsuite_iterators.h: Fix indentation.

        * testsuite/27_io/basic_filebuf/sgetn/char/81395.cc: Add dg-require.

2017-07-18  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/81395
        * include/bits/fstream.tcc (basic_filebuf::xsgetn): Don't set buffer
        pointers for write mode after reading.
        * testsuite/27_io/basic_filebuf/sgetn/char/81395.cc: New.

2017-07-18  François Dumont  <fdumont@gcc.gnu.org>

        * include/bits/stl_list.h
        (struct _List_node_header): New.
        (_List_impl()): Fix noexcept qualification.
        (_List_impl(_List_impl&&)): New, default.
        (_List_base()): Default.
        (_List_base(_List_base&&)): Default.
        (_List_base::_M_move_nodes): Adapt to use
        _List_node_header._M_move_nodes.
        (_List_base::_M_init): Likewise.
        (list<>()): Default.
        (list<>(list&&)): Default.
        (list<>::_M_move_assign(list&&, true_type)): Use _M_move_nodes.
        (__distance(_List_const_iterator<>, _List_const_iterator<>,
        input_iterator_tag)): Adapt.
        * testsuite/23_containers/list/allocator/default_init.cc: New.

2017-07-15  Jonathan Wakely  <jwakely@redhat.com>

        * include/std/mutex (scoped_lock): Reorder std::adopt_lock_t parameter
        as per P0739R0.
        * testsuite/30_threads/scoped_lock/cons/1.cc: Reorder arguments.
        * testsuite/30_threads/scoped_lock/cons/deduction.cc: Test deduction
        with std::adopt_lock_t.
        * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Check
        feature-test macro.

2017-07-14  Jason Merrill  <jason@redhat.com>
            Jonathan Wakely  <jwakely@redhat.com>

        * include/std/variant (variant::variant(_Tp&&)): Constrain to remove
        the constructor for empty variants from the candidate functions
        during class template argument deduction.
        * testsuite/20_util/variant/deduction.cc: New.

2017-07-11  Jonathan Wakely  <jwakely@redhat.com>

        * doc/xml/faq.xml: Update several old entries. Improve
        cross-references.
        * doc/xml/manual/intro.xml: Add anchors to each DR.
        * doc/html/*: Regenerate.

2017-07-10  Jonathan Wakely  <jwakely@redhat.com>

        * testsuite/abi/pr42230.cc: Add header for std::free.

        PR libstdc++/81381
        * include/bits/sstream.tcc (basic_stringbuf::overflow)
        (basic_stringbuf::basic_stringbuf(const __string_type&, ios::mode))
        (basic_stringbuf::str()): Construct new strings with an allocator.
        * testsuite/27_io/basic_stringbuf/cons/81381.cc: New.

        PR libstdc++/81338
        * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI] (basic_string):
        Declare basic_stringbuf to be a friend.
        * include/bits/sstream.tcc (basic_stringbuf::overflow)
        [_GLIBCXX_USE_CXX11_ABI]: Use unused capacity before reallocating.
        * include/std/sstream (basic_stringbuf::__xfer_bufptrs): Update string
        length to buffer length.
        * testsuite/27_io/basic_stringstream/assign/81338.cc: New.

2017-07-06  Jonathan Wakely  <jwakely@redhat.com>

        * testsuite/20_util/specialized_algorithms/memory_management_tools/
        1.cc: Free memory.
        * testsuite/22_locale/locale/cons/5.cc: Remove redundant restoration
        of original environment and free memory.

        * testsuite/abi/pr42230.cc: Free memory.
        * testsuite/util/testsuite_abi.cc (demangle): Return std::string
        instead of pointer that might need freeing.
        * testsuite/util/testsuite_abi.h (demangle): Likewise.
        * testsuite/util/testsuite_hooks.cc (verify_demangle): Free memory.

        * include/bits/uses_allocator.h (__use_alloc(const _Alloc&&)): Add
        deleted overload to prevent dangling references to rvalues.
        * include/experimental/memory_resource
        (polymorphic_allocator::construct): Do not call __use_alloc with
        rvalue arguments.

2017-06-27  Tim Shen  <timshen@google.com>

        PR libstdc++/80187
        * include/std/variant (variant::variant, variant::~variant,
        variant::operator=): Implement triviality forwarding for four
        special member functions.
        * testsuite/20_util/variant/compile.cc: Tests.

2017-06-27  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/81221
        * testsuite/25_algorithms/sample/81221.cc: Disable except for
        check-parallel.

        PR libstdc++/81221
        * include/bits/stl_algo.h (sample): Qualify with _GLIBCXX_STD_A not
        std.
        * testsuite/25_algorithms/sample/81221.cc: New.

2017-06-22  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/81173
        * include/bits/stl_bvector.h (vector<bool>::_M_initialize_value):
        Do not pass null pointer to memset.

2017-06-21  Ville Voutilainen  <ville.voutilainen@gmail.com>

        PR libstdc++/80675
        PR libstdc++/80940
        * include/std/istream:
        (__is_convertible_to_basic_istream_test(basic_istream<_Ch, _Up>*)): New.
        (__do_is_convertible_to_basic_istream_impl): Likewise.
        (__is_convertible_to_basic_istream_impl): Likewise.
        (__is_convertible_to_basic_istream): Use the new base.
        (__rvalue_istream_type): New.
        (operator>>(_Istream&&, _Tp&&)): Use the new helper alias
        for the SFINAE check, convert to the helper alias type before
        doing the actual extraction.
        * include/std/ostream:
        (__is_convertible_to_basic_ostream_test(basic_ostream<_Ch, _Up>*)): New.
        (__do_is_convertible_to_basic_ostream_impl): Likewise.
        (__is_convertible_to_basic_ostream_impl): Likewise.
        (__is_convertible_to_basic_ostream): Use the new base.
        (__rvalue_ostream_type): New.
        (operator<<(_Ostream&&, const _Tp&)): Use the new helper alias
        for the SFINAE check, convert to the helper alias type before
        doing the actual insertion.
        * testsuite/27_io/rvalue_streams-2.cc: Add new tests.

2017-06-21  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.

2017-06-21  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/81092
        * configure: Regenerate.

2017-06-20  Uros Bizjak  <ubizjak@gmail.com>

        * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.

2017-06-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * testsuite/20_util/variant/index_type.cc: Allow for all ilp32 and
        lp64 targets.

2017-06-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
        * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
        * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
        * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
        * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
        * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
        Likewise.
        * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
        * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
        Likewise.

2017-06-18  H.J. Lu  <hongjiu.lu@intel.com>

        PR libstdc++/81092
        * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.

2017-06-18  Andreas Schwab  <schwab@linux-m68k.org>

        PR libstdc++/81092
        * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.

2017-06-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * testsuite: Remove dg-skip-if, dg-xfail-if, dg-xfail-run-if
        default args.

2017-06-17  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/80893
        * testsuite/23_containers/vector/bool/80893.cc: Add { target c++11 }.

2017-06-16  Jonathan Wakely  <jwakely@redhat.com>

        * include/bits/shared_ptr.h (get_deleter): Add overload matching
        standard signature.
        * include/bits/shared_ptr_base.h (__shared_ptr): Declare new
        get_deleter overload as a friend.
        * testsuite/20_util/shared_ptr/misc/get_deleter.cc: New.

2017-06-16  Jakub Jelinek  <jakub@redhat.com>

        PR libstdc++/81092
        * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
        * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
        * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.

2017-06-16  Jonathan Wakely  <jwakely@redhat.com>

        * include/bits/locale_conv.h (wbuffer_convert::sync): Fix condition.
        * testsuite/22_locale/conversions/buffer/2.cc: New.

        PR libstdc++/81092
        * acinclude.m4: Bump libtool_VERSION.
        * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
        * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
        * config/abi/pre/gnu.ver: Add wstring constructor symbols to
        GLIBCXX_3.4.24 version and move random_device::_M_get_entropy() symbol
        to new GLIBCXX_3.4.25 version.
        * doc/xml/manual/abi.xml: Document new versions.
        * doc/html/*: Regenerate.
        * testsuite/21_strings/basic_string/cons/char/8.cc: Use base object
        constructors to ensure required symbols are exported.
        * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
        * testsuite/util/testsuite_abi.cc: Add new version.

        * include/bits/locale_conv.h (wbuffer_convert::_M_put): Add missing
        return statement.
        * testsuite/21_strings/basic_string_view/operations/copy/char/1.cc:
        Return void.
        * testsuite/21_strings/basic_string_view/operations/copy/wchar_t/1.cc:
        Likewise.
        * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc: Add
        missing return statements.
        * testsuite/23_containers/unordered_map/modifiers/insert_or_assign.cc:
        Likewise.
        * testsuite/27_io/basic_istream/extractors_arithmetic/char/12.cc:
        Return void.
        * testsuite/special_functions/14_expint/pr68397.cc: Likewise.

2017-06-16  François Dumont  <fdumont@gcc.gnu.org>

        * include/bits/stl_bvector.h
        (__fill_bvector(_Bit_type*, unsigned int, unsigned int, bool)):
        Change signature.
        (std::fill(_Bit_iterator, _Bit_iterator, bool)): Adapt.
        (_Bvector_impl_data): New.
        (_Bvector_impl): Inherits from latter.
        (_Bvector_impl(_Bit_alloc_type&&)): Delete.
        (_Bvector_impl(_Bvector_impl&&)): New, default.
        (_Bvector_base()): Default.
        (_Bvector_base(_Bvector_base&&)): Default.
        (_Bvector_base::_M_move_data(_Bvector_base&&)): New.
        (vector(vector&&, const allocator_type&)): Use latter.
        (vector<bool>::operator=(vector&&)): Likewise.
        (vector<bool>::vector()): Default.
        (vector<bool>::vector(vector&&)): Default.
        (vector<bool>::assign(_InputIterator, _InputIterator)): Use
        _M_assign_aux.
        (vector<bool>::assign(initializer_list<bool>)): Likewise.
        (vector<bool>::_M_initialize_value(bool)): New.
        (vector<bool>(size_type, const bool&, const allocator_type&)): Use
        latter.
        (vector<bool>::_M_initialize_dispatch(_Integer, _Integer, __true_type)):
        Likewise.
        (vector<bool>::_M_fill_assign(size_t, bool)): Likewise.

2017-06-15  François Dumont  <fdumont@gcc.gnu.org>

        * src/c++98/tree.cc  [!_GLIBCXX_INLINE_VERSION]
        (_Rb_tree_rotate_left, _Rb_tree_rotate_right): Delete.

2017-06-15  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * testsuite: Add dg-require-effective-target pthread to -pthread
        tests.
        Remove explicit target lists from dg-do and dg-options.

        * testsuite/30_threads/async/forced_unwind.cc: Remove explit
        target list from dg-options.
        * testsuite/30_threads/packaged_task/forced_unwind.cc: Likewise.

        * 30_threads/shared_mutex/cons/1.cc: Likewise.
        Pass -pthread for all targets.
        * 30_threads/shared_mutex/try_lock/1.cc: Likewise.
        * 30_threads/shared_mutex/try_lock/2.cc: Likewise.
        * 30_threads/shared_mutex/unlock/1.cc: Likewise.

        * testsuite/30_threads/this_thread/57060.cc: Require c++11 via
        dg-require-effective-target.

2017-06-14  Jonathan Wakely  <jwakely@redhat.com>

        * doc/xml/manual/test.xml: Correct instructions on running tests.
        * testsuite/21_strings/basic_string/cons/char/deduction.cc: Adjust to
        pass when -D_GLIBCXX_USE_CXX11_ABI=0 added to RUNTESTFLAGS.
        * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
        Likewise.
        * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Likewise.
        * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
        * testsuite/27_io/basic_istream/extractors_arithmetic/char/
        exceptions_failbit.cc: Likewise.
        * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
        exceptions_failbit.cc: Likewise.
        * testsuite/27_io/basic_istream/extractors_other/char/
        exceptions_null.cc: Likewise.
        * testsuite/27_io/basic_istream/extractors_other/wchar_t/
        exceptions_null.cc: Likewise.
        * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
        * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
        * testsuite/27_io/basic_ostream/inserters_other/char/
        exceptions_null.cc: Likewise.
        * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
        exceptions_null.cc: Likewise.
        * testsuite/27_io/ios_base/storage/2.cc: Likewise.

2017-06-12  Pedro Alves  <palves@redhat.com>

        * doc/xml/manual/status_cxx2017.xml: Update C++17 constexpr
        char_traits status.
        * doc/html/*: Regenerate.

        * include/bits/char_traits.h (_GLIBCXX_ALWAYS_INLINE): Define if
        not already defined.
        (__cpp_lib_constexpr_char_traits): Uncomment.
        (__constant_string_p, __constant_char_array_p): New.
        (std::char_traits<char>, std::char_traits<wchar_t>): Add
        _GLIBCXX17_CONSTEXPR on compare, length and find and use
        __constant_string_p, __constant_char_array_p and
        __builtin_constant_p to defer to __gnu_cxx::char_traits at compile
        time.

        * testsuite/21_strings/char_traits/requirements/
        constexpr_functions_c++17.cc: Uncomment
        __cpp_lib_constexpr_char_traits tests.  Uncomment
        test_compare<char>, test_length<char>, test_find<char>,
        test_compare<wchar_t>, test_length<wchar_t> and test_find<wchar_t>
        static_assert tests.

2017-06-12  François Dumont  <fdumont@gcc.gnu.org>

        * include/bits/stl_tree.h (_Rb_tree_impl()): Restore _Node_allocator
        default init.
        * testsuite/util/testsuite_allocator.h
        (__gnu_test::default_init_allocator<>) New.
        * testsuite/23_containers/set/allocator/default_init.cc: New.
        * testsuite/23_containers/map/allocator/default_init.cc: New.

2017-06-12  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/55917
        * src/c++11/thread.cc (execute_native_thread_routine): Remove
        try-block so that exceptions propagate out of the thread and terminate
        is called by the exception-handling runtime.
        (execute_native_thread_routine_compat): Likewise.
        * testsuite/30_threads/thread/cons/terminate.cc: New.

2017-06-09  Jonathan Wakely  <jwakely@redhat.com>

        * doc/xml/manual/intro.xml: Document LWG 2802, 2873 and 2942 changes.
        * include/bits/shared_ptr.h (shared_ptr): Use rvalues for deleters
        (LWG 2802).
        * include/bits/shared_ptr_base.h (_Sp_ebo_helper, _Sp_counted_deleter
        (_Sp_counted_deleter::_Impl, __shared_count, __shared_ptr): Likewise.
        * testsuite/20_util/shared_ptr/cons/lwg2802.cc: New.

        * include/bits/forward_list.h (forward_list): Add deduction guide.
        * include/bits/stl_deque.h (deque): Likewise.
        * include/bits/stl_list.h (list): Likewise.
        * include/bits/stl_vector.h (vector): Likewise.
        * testsuite/23_containers/deque/cons/deduction.cc: New.
        * testsuite/23_containers/forward_list/cons/deduction.cc: New.
        * testsuite/23_containers/list/cons/deduction.cc: New.
        * testsuite/23_containers/vector/cons/deduction.cc: New.

2017-06-08  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/81017
        * include/bits/std_function.h (function::function(function&&))
        (function::operator=(funtion&&)): Add noexcept.
        * testsuite/20_util/function/assign/move.cc: Check for noexcept.
        * testsuite/20_util/function/cons/move.cc: Likewise.

2017-06-07  Jonathan Wakely  <jwakely@redhat.com>

        * include/bits/regex.h (basic_regex): Add deduction guide from P0433.
        * testsuite/28_regex/basic_regex/ctors/deduction.cc: New.

        PR libstdc++/81002
        * include/bits/regex.h (basic_regex): Adjust call to __compile_nfa
        so iterator type is deduced.
        * include/bits/regex_compiler.h (__compile_nfa): Reorder template
        parameters to allow iterator type to be deduced.
        * testsuite/28_regex/basic_regex/ctors/basic/iter.cc: New.

        * include/bits/alloc_traits.h (__is_allocator, _RequireAllocator):
        New trait and alias for detecting Allocator-like types.
        * include/bits/basic_string.h (basic_string): Add deduction guide
        from P0433.
        * include/ext/alloc_traits.h (__gnu_cxx::__alloc_traits): Add template
        parameter with default template argument that causes substitution
        failures for types that cannot be allocators.
        * testsuite/21_strings/basic_string/cons/char/deduction.cc: New.
        * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc: New.

2017-06-02  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/80939
        * include/std/variant (__erased_ctor, __erased_assign, __erased_swap)
        (__erased_hash): Remove constexpr specifier and qualify calls to
        __ref_cast.
        (__erased_dtor): Remove constexpr specifier and use _Destroy.

2017-06-05  Jonathan Wakely  <jwakely@redhat.com>

        * include/bits/stl_iterator_base_funcs.h
        (__advance<_RandomAccessIterator, _Distance>): Optimize for next/prev
        cases where incrementing or decrementing a single step.

        * include/bits/shared_ptr_base.h (__shared_ptr::owner_before)
        (__weak_ptr::owner_before, _Sp_owner_less::operator()): Add noexcept
        specifiers as per LWG 2873 and LWG 2942.
        * testsuite/20_util/owner_less/noexcept.cc: New.
        * testsuite/20_util/shared_ptr/observers/owner_before.cc: Test
        noexcept guarantees.
        * testsuite/20_util/weak_ptr/observers/owner_before.cc: Likewise.

2017-06-03  Andreas Schwab  <schwab@linux-m68k.org>

        * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.

2017-06-03  Eric Botcazou  <ebotcazou@adacore.com>

        * src/filesystem/dir.cc (fs::_Dir::advance): Use std::exchange.

2017-06-02  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/80624
        * doc/xml/manual/status_cxx2011.xml: Document to_int_type behaviour.
        * include/bits/char_traits.h (char_traits<char16_t>::to_int_type):
        Transform eof value to U+FFFD.
        * testsuite/21_strings/char_traits/requirements/char16_t/eof.cc: New.
        * testsuite/27_io/basic_streambuf/sgetc/char16_t/80624.cc: New.
        * testsuite/27_io/basic_streambuf/sputc/char16_t/80624.cc: New.

        * libsupc++/Makefile.am: Remove custom targets for files that need to
        be compiled as C++11 or C++14.
        * libsupc++/Makefile.in: Regenerate.
        * libsupc++/del_ops.cc: Use pragma to disable -Wsized-deallocation
        warnings.
        * libsupc++/del_opvs.cc: Likewise.

2017-06-02  Richard Biener  <rguenther@suse.de>
        Markus Eisenmann  <meisenmann.lba@fh-salzburg.ac.at>

        PR libstdc++/80721
        * libsupc++/eh_alloc.cc (pool::free): Keep list properly
        sorted and add missing freelist item merging cases.

2017-06-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        (GLIBCXX_CROSSCONFIG): Handle *-solaris* like *-linux* etc.
        Remove *-solaris* section.
        * configure: Regenerate.

2017-05-31  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/80893
        * include/bits/stl_bvector.h (vector<bool>::_M_initialize): Avoid
        null pointer dereference when size is zero.
        * testsuite/23_containers/vector/bool/80893.cc: New.
        * testsuite/util/testsuite_allocator.h (PointerBase::PointerBase):
        Add non-explicit constructor from nullptr.
        (PointerBase::derived() const): Add const-qualified overload.

2017-05-20  Tim Shen  <timshen@google.com>

        PR libstdc++/80737
        * include/std/variant(variant::variant): SFINAE on is_same first.
        * testsuite/20_util/variant/any.cc: test case.

2017-05-24  Jonathan Wakely  <jwakely@redhat.com>

        * src/c++11/random.cc (random_device::_M_getentropy): Use __CHAR_BIT__
        instead of fixed number of bits.

2017-05-24  Andreas Schwab  <schwab@suse.de>

        * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
        * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Likewise.

2017-05-23  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
            Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/67578
        * acinclude.m4: Bump libtool_VERSION.
        * config/abi/pre/gnu.ver: Create GLIBCXX_3.4.24 with new symbol.
        * config.h.in: Regenerate.
        * configure: Regenerate.
        * configure.ac: Add test for <linux/random.h>.
        * doc/xml/manual/abi.xml: Document new library version.
        * include/bits/random.h (random_device::entropy)
        [_GLIBCXX_USE_RANDOM_TR1]: Add call to new _M_getentropy member.
        (random_device::_M_getentropy): Declare.
        * src/c++11/random.cc (random_device::_M_getentropy): Define.
        * testsuite/util/testsuite_abi.cc: Add GLIBCXX_3.4.24 to known
        versions, and make it the latest version.

2017-05-23  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>

        PR libstdc++/67214
        * include/bits/locale_facets.tcc (num_get::_M_extract_int): Add
        explicit conversion to avoid signed overflow.

2017-05-19  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/80796
        * include/bits/stl_algo.h (search): Add new overload for C++17.
        * testsuite/25_algorithms/search/searcher.cc: New.

2017-05-18  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/80478
        * include/std/functional (_Mem_fn_traits_base): Add specializations
        for noexcept member function types.
        * testsuite/20_util/function_objects/mem_fn/80478.cc: New test.

2017-05-18  Jonathan Wakely  <jwakely@redhat.com>

        * doc/xml/manual/policy_data_structures.xml: Fix typo.
        * doc/xml/manual/test_policy_data_structures.xml: Likewise.
        * doc/html/*: Regenerate.

        * doc/xml/manual/abi.xml: Document latest library versions.
        * doc/xml/manual/build_hacking.xml: Document requirement to update
        abi.xml when bumping library versions.
        * doc/html/*: Regenerate.

2017-05-17  Jonathan Wakely  <jwakely@redhat.com>

        * include/bits/refwrap.h: Fix Doxygen warning.
        * include/bits/specfun.h: Likewise.
        * include/bits/std_function.h: Likewise.
        * include/bits/stl_algo.h (set_union, set_intersection)
        (set_difference, set_symmetric_difference): Add Doxygen @param tags
        for output iterator parameters.
        * include/bits/stl_iterator.h (inserter): Add Doxygen @param tag for
        iterator parameter.
        * include/std/mutex (try_lock, lock): Change Mutex to Lockable in
        Doxygen comments.

2017-05-17  Ville Voutilainen  <ville.voutilainen@gmail.com>

        Implement new C++ intrinsics __is_assignable and __is_constructible.
        * include/std/type_traits (__do_is_static_castable_impl): Remove.
        (__is_static_castable_impl, __is_static_castable_safe): Likewise.
        (__is_static_castable, __do_is_direct_constructible_impl): Likewise.
        (__is_direct_constructible_impl): Likewise.
        (__is_direct_constructible_new_safe): Likewise.
        (__is_base_to_derived_ref, __is_lvalue_to_rvalue_ref): Likewise.
        (__is_direct_constructible_ref_cast): Likewise.
        (__is_direct_constructible_new, __is_direct_constructible): Likewise.
        (__do_is_nary_constructible_impl): Likewise.
        (__is_nary_constructible_impl, __is_nary_constructible): Likewise.
        (__is_constructible_impl): Likewise.
        (is_constructible): Call the intrinsic.
        (__is_assignable_helper): Remove.
        (is_assignable): Call the intrinsic.
        (is_trivially_constructible): Likewise.
        (__is_trivially_copy_constructible_impl): New.
        (is_trivially_copy_constructible): Use it.
        (__is_trivially_move_constructible_impl): New.
        (is_trivially_move_constructible): Use it.
        (is_trivially_assignable): Call the intrinsic.
        (__is_trivially_copy_assignable_impl): New.
        (is_trivially_copy_assignable): Use it.
        (__is_trivially_move_assignable_impl): New.
        (is_trivially_move_assignable): Use it.
        (testsuite/20_util/declval/requirements/1_neg.cc): Adjust.
        (testsuite/20_util/is_trivially_copy_assignable/value.cc):
        Add test for void.
        (testsuite/20_util/is_trivially_copy_constructible/value.cc): Likewise.
        (testsuite/20_util/is_trivially_move_assignable/value.cc): Likewise.
        (testsuite/20_util/is_trivially_move_constructible/value.cc): Likewise.
        (testsuite/20_util/make_signed/requirements/typedefs_neg.cc): Adjust.
        (testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc):
        Likewise.

2017-05-16  Jonathan Wakely  <jwakely@redhat.com>

        * testsuite/experimental/source_location/1.cc: Change expected result
        for source_location::current() used in default member initializer.

        * doc/xml/manual/status_cxx2017.xml: Update status table.
        * doc/html/*: Regenerate.
        * include/Makefile.am: Add new header.
        * include/Makefile.in: Regenerate.
        * include/experimental/source_location: New header implementing N4519.
        * testsuite/experimental/source_location/1.cc: New test.

        PR libstdc++/80285
        * include/bits/shared_ptr_base.h [!__cpp_rtti] (type_info): Declare
        outside versioned namespace.

        * configure: Regenerate.

2017-05-16  Marc Glisse  <marc.glisse@inria.fr>

        * include/std/optional (_Optional_base::_M_get): Check precondition.
        * testsuite/20_util/optional/cons/value_neg.cc: Update line numbers.

2017-05-16  Jonathan Wakely  <jwakely@redhat.com>

        * doc/xml/manual/appendix_contributing.xml: Link to test docs and
        note higher DejaGnu version requirement.
        * doc/html/*: Regenerate.

        * doc/xml/manual/appendix_contributing.xml: Link to the list of bad
        identifiers.
        * doc/html/*: Regenerate.

2017-05-15  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/80761
        * include/bits/node_handle.h (_Node_insert_return): Reorder members.
        (tuple_size, tuple_element): Remove partial specializations.
        * include/bits/stl_tree.h (_Rb_tree::insert_return_type): Use
        const_iterator for std::set.
        * testsuite/23_containers/map/modifiers/extract.cc: New.
        * testsuite/23_containers/set/modifiers/extract.cc: New.
        * testsuite/23_containers/unordered_map/modifiers/extract.cc: New.
        * testsuite/23_containers/unordered_set/modifiers/extract.cc: New.

2017-05-12  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/78939
        * include/std/utility (tuple_size<cv T>): Only define partial
        specializations when tuple_size<T>::value is valid.
        * testsuite/20_util/tuple/78939.cc: New.
        * testsuite/20_util/tuple/cv_tuple_size_neg.cc: New.

2017-05-11  François Dumont  <fdumont@gcc.gnu.org>

        * include/bits/stl_tree.h [_GLIBCXX_INLINE_VERSION]
        (_Rb_tree_impl<>): Remove _Is_pod_comparator
        template parameter.

        * include/debug/formatter.h [_GLIBCXX_INLINE_VERSION]
        (__gnu_debug::_Error_formatter::_Parameter::_M_print_field): Remove.
        (__gnu_debug::_Error_formatter::_Parameter::_M_print_description):
        Remove.
        (__gnu_debug::_Error_formatter::_M_format_word): Remove.
        (__gnu_debug::_Error_formatter::_M_print_word): Remove.
        (__gnu_debug::_Error_formatter::_M_print_string): Remove.
        (__gnu_debug::_Error_formatter::_M_get_max_length): Remove.
        * src/c++11/debug.cc: Adapt.
        * config/abi/pre/gnu-versioned-namespace.ver: Adapt.

2017-05-11  Jonathan Wakely  <jwakely@redhat.com>

        * doc/xml/manual/allocator.xml: Fix ViewCVS URLs.
        * doc/xml/manual/mt_allocator.xml: Likewise.
        * doc/html/*: Regenerate.

        PR libstdc++/80285
        * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Define
        function to get unique fake std::type_info reference.
        (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Compare to
        _S_ti() fake reference.
        (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Share
        single implementation with or without RTTI enable.
        [!__cpp_rtti]: Pass fake reference to _M_get_deleter.
        * testsuite/20_util/shared_ptr/creation/alloc.cc: Change expected
        allocation and deallocation counts.
        * testsuite/20_util/shared_ptr/creation/single_allocation.cc: New.
        * testsuite/20_util/shared_ptr/creation/single_allocation_no_rtti.cc:
        New.

2017-05-10  François Dumont  <fdumont@gcc.gnu.org>

        Bump version namespace.
        * config/abi/pre/gnu-versioned-namespace.ver: Bump version namespace
        from __7 to __8. Bump GLIBCXX_7.0 to GLIBCXX_8.0.
        * acinclude.m4 (libtool_VERSION): Bump to 8:0:0.
        * include/bits/c++config: Adapt.
        * include/bits/regex.h: Adapt.
        * include/experimental/bits/fs_fwd.h: Adapt.
        * include/experimental/bits/lfts_config.h: Adapt.
        * include/std/variant: Adapt.
        * python/libstdcxx/v6/printers.py: Adapt.
        * testsuite/libstdc++-prettyprinters/48362.cc: Adapt.

        * include/bits/stl_algobase.h (std::__iter_swap<false>): Remove
        _GLIBCXX_MOVE usage.

2017-05-09  Jason Merrill  <jason@redhat.com>

        * testsuite/24_iterators/container_access.cc (test03): Make il3 static.

2017-05-08  Jonathan Wakely  <jwakely@redhat.com>

        * include/std/optional: Use a separate static_assert per condition.
        * testsuite/20_util/optional/cons/value_neg.cc: Update dg-error line
        numbers.

        * doc/xml/manual/mt_allocator.xml: Clarify deallocation behaviour.
        * doc/html/*: Regenerate.

2017-05-02  Hugo Beauzée-Luyssen <hugo@beauzee.fr>

        PR libstdc++/69506
        * config/os/mingw32-w64/os_defines.h (_GLIBCXX_USE_WEAK_REF): Define.

2017-04-29  François Dumont  <fdumont@gcc.gnu.org>

        * testsuite/libstdc++-prettyprinters/48362.cc: Replace a regexp-test
        by a note-test.

2017-04-28  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/80553
        * include/bits/stl_construct.h (_Destroy, _Destroy_n): Add static
        assertions to ensure type is destructible.
        (destroy_at, destroy, destroy_n): Move from stl_uninitialized.h.
        * include/bits/stl_uninitialized.h (destroy_at, destroy, destroy_n):
        Move to stl_construct.h.
        * testsuite/20_util/specialized_algorithms/memory_management_tools/
        destroy_neg.cc: New test.
        * testsuite/23_containers/vector/cons/destructible_neg.cc: New test.

        * testsuite/17_intro/headers/c++1998/stdc++_assert_neg.cc: Remove
        superfluous "" in dg-error.

2017-04-28  Tom de Vries  <tom@codesourcery.com>

        * testsuite/17_intro/headers/c++1998/stdc++_assert_neg.cc: Remove
        superfluous '{ target *-*-* }' in dg-(error|warning|message|bogus).

2017-04-27  Jonathan Wakely  <jwakely@redhat.com>

        * include/ext/pb_ds/detail/list_update_map_/iterators_fn_imps.hpp
        (PB_DS_CLASS_C_DEC::end()): Remove redundant const in cast type.
        * testsuite/util/testsuite_rng.h (twister_rand_gen::get_prob()):
        Likewise.

2017-04-26  Jonathan Wakely  <jwakely@redhat.com>

        * testsuite/23_containers/deque/allocator/move_assign-2.cc: Improve
        comment. Ensure first test works because allocator type propagates and
        not because is_always_equal is true.
        * testsuite/23_containers/vector/52591.cc: Likewise. Restore original
        testcase that instantiates the move-assignment operator.

2017-04-24  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/80506
        * include/bits/random.tcc (gamma_distribution::operator()): Fix magic
        number used in loop condition.

        PR libstdc++/80504
        * include/bits/refwrap.h (ref, cref): Qualify calls.
        * testsuite/20_util/reference_wrapper/80504.cc: New test.

        PR libstdc++/80493
        * include/experimental/optional (optional::swap): Fix exception
        specification.

2017-04-21  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/80316
        * include/std/future (_State_baseV2::_Setter::operator()): Remove
        _S_check calls that are done after the pointer to the shared state is
        already dereferenced.
        (_State_baseV2::_Setter<_Res, void>): Define specialization for void
        as partial specialization so it can be defined within the definition
        of _State_baseV2.
        (_State_baseV2::__setter): Call _S_check.
        (_State_baseV2::__setter(promise<void>*)): Add overload for use by
        promise<void>::set_value and promise<void>::set_value_at_thread_exit.
        (promise<T>, promise<T&>, promise<void>): Make _State a friend.
        (_State_baseV2::_Setter<void, void>): Remove explicit specialization.
        (promise<void>::set_value, promise<void>::set_value_at_thread_exit):
        Use new __setter overload.
        * testsuite/30_threads/promise/members/at_thread_exit2.cc: New test.
        * testsuite/30_threads/promise/members/set_exception.cc: Test
        promise<T&> and promise<void> specializations.
        * testsuite/30_threads/promise/members/set_exception2.cc: Likewise.
        Test for no_state error condition.
        * testsuite/30_threads/promise/members/set_value2.cc: Likewise.

        * include/backward/auto_ptr.h: Ignore deprecated warnings from use
        of auto_ptr.
        * include/bits/shared_ptr.h: Likewise.
        * include/bits/shared_ptr_base.h: Likewise.
        * include/bits/unique_ptr.h: Likewise.
        * libstdc++-v3/testsuite/20_util/default_delete/48631_neg.cc: Adjust
        dg-error lineno.
        * libstdc++-v3/testsuite/20_util/default_delete/void_neg.cc: Likewise.
        * libstdc++-v3/testsuite/20_util/unique_ptr/assign/48635_neg.cc:
        Likewise.
        * libstdc++-v3/testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc:
        Likewise.

2017-04-20  Edward Smith-Rowland  <3dw4rd@verizon.net>

        PR libstdc++/68397 std::tr1::expint fails ... long double arguments.
        * include/tr1/exp_integral.tcc: Increase iteration limits.
        * testsuite/tr1/5_numerical_facilities/special_functions/15_expint/
        pr68397.cc: New test.
        * testsuite/special_functions/14_expint/pr68397.cc: New test.

2017-04-20  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/79862
        * include/std/atomic [!_GLIBCXX_USE_C99_STDINT_TR1] (atomic_int8_t)
        (atomic_uint8_t, atomic_int16_t, atomic_uint16_t, atomic_int32_t,
        (atomic_uint32_t, atomic_int64_t, atomic_uint64_t)
        (atomic_int_least8_t, atomic_uint_least8_t, atomic_int_least16_t)
        (atomic_uint_least16_t, atomic_int_least32_t, atomic_uint_least32_t)
        (atomic_int_least64_t, atomic_uint_least64_t, atomic_int_fast8_t)
        (atomic_uint_fast8_t, atomic_int_fast16_t, atomic_uint_fast16_t)
        (atomic_int_fast32_t, atomic_uint_fast32_t, atomic_int_fast64_t)
        (atomic_uint_fast64_t, atomic_intmax_t, atomic_uintmax_t): Don't
        define.

2017-04-19  Jonathan Wakely  <jwakely@redhat.com>

        * doc/xml/manual/abi.xml: Rephrase one of the references to the
        Itanium C++ ABI.
        * doc/xml/manual/test.xml: Document DejaGnu 1.5.3 requirement.
        * doc/html/*: Regenerate.

        * libsupc++/new: Update comment on #endif directive.

        PR libstdc++/80448
        * include/experimental/bits/fs_dir.h (directory_iterator)
        (recursive_directory_iterator): Remove noexcept from defaulted
        constructors.

        PR libstdc++/80446
        * include/std/type_traits (is_aggregate): Change __has_builtin checks.
        * libsupc++/new (launder): Likewise.

2017-04-18  Jonathan Wakely  <jwakely@redhat.com>

        * include/std/functional (default_searcher, __boyer_moore_array_base)
        (__is_std_equal_to, __boyer_moore_base_t, boyer_moore_searcher)
        (boyer_moore_horspool_searcher): Remove redundant namespace
        qualification.
        (default_searcher::operator()): Construct return value early and
        advance second member in-place.
        (boyer_moore_horspool_searcher::operator()): Increment random access
        iterator directly instead of using std::next.
        (boyer_moore_searcher::operator()): Fix return value.
        * testsuite/20_util/function_objects/searchers.cc: Check both parts
        of return values.

2017-04-12  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/xml/faq.xml: Update reference link to C++ ABI for Itanium.
        * doc/xml/manual/abi.xml. Ditto (thrice).

2017-04-03  Jonathan Wakely  <jwakely@redhat.com>

        * doc/xml/manual/status_cxx2017.xml: Remove duplicate table entry.
        * doc/html/*: Regenerate.

        * testsuite/20_util/reference_wrapper/invoke.cc: Uncomment tests
        that no longer fail.

        * include/bits/ios_base.h: Correct comment.
        * testsuite/util/testsuite_hooks.h: Likewise.

        * doc/xml/manual/status_cxx2017.xml: Update C++17 status table.
        * doc/xml/manual/appendix_contributing.xml (contrib.organization): Add
        directories for debug, parallel and profile headers.
        * doc/html/*: Regenerate.

        * include/bits/char_traits.h (__gnu_cxx::char_traits): Add
        _GLIBCXX14_CONSTEXPR on assign, compare, find, and length.
        (std::char_traits<char>, std::char_traits<wchar_t>): Add
        _GLIBCXX17_CONSTEXPR on assign.
        (std::char_traits<char16_t>, std::char_traits<char32_t>): Add
        _GLIBCXX17_CONSTEXPR on assign, compare, find, and length.
        * testsuite/21_strings/char_traits/requirements/
        constexpr_functions_c++17.cc: New test.

2017-04-03  Ville Voutilainen  <ville.voutilainen@gmail.com>

        PR libstdc++/79141
        * include/bits/stl_pair.h (__nonesuch_no_braces): New.
        (operator=(typename conditional<
        __and_<is_copy_assignable<_T1>,
        is_copy_assignable<_T2>>::value,
        const pair&, const __nonesuch&>::type)): Change __nonesuch
        to __nonesuch_no_braces.
        (operator=(typename conditional<
        __not_<__and_<is_copy_assignable<_T1>,
        is_copy_assignable<_T2>>>::value,
        const pair&, const __nonesuch&>::type)): Likewise.
        (operator=(typename conditional<
        __and_<is_move_assignable<_T1>,
        is_move_assignable<_T2>>::value,
        pair&&, __nonesuch&&>::type)): Likewise.
        * testsuite/20_util/pair/79141.cc: New.

2017-04-03  Ville Voutilainen  <ville.voutilainen@gmail.com>

        Implement std::is_aggregate.
        * include/std/type_traits (is_aggregate, is_aggregate_v): New.
        * testsuite/20_util/is_aggregate/requirements/explicit_instantiation.cc:
        New.
        * testsuite/20_util/is_aggregate/requirements/typedefs.cc: Likewise.
        * testsuite/20_util/is_aggregate/value.cc: Likewise.

2017-03-29  Ville Voutilainen  <ville.voutilainen@gmail.com>

        Adjust optional's pretty printer for LWG 2900.
        * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter.__init__):
        Look at the nested payload in case of non-experimental optional.

2017-03-29  Ville Voutilainen  <ville.voutilainen@gmail.com>

        Implement LWG 2900, The copy and move constructors
        of optional are not constexpr.
        * include/std/optional (_Optional_payload): New.
        (_Optional_base): Remove the bool parameter.
        (_Optional_base<_Tp, false>): Remove.
        (_Optional_base()): Adjust.
        (_Optional_base(nullopt_t)): Likewise.
        (_Optional_base(in_place_t, _Args&&...)): Likewise.
        (_Optional_base(in_place_t, initializer_list<_Up>, _Args&&...)):
        Likewise.
        (_Optional_base(const _Optional_base&)): Likewise.
        (_Optional_base(_Optional_base&&)): Likewise.
        (operator=(const _Optional_base&)): Likewise.
        (operator=(_Optional_base&&)): Likewise.
        (~_Optional_base()): Remove.
        (_M_is_engaged()): Adjust.
        (_M_get()): Likewise.
        (_M_construct(_Args&&...)): Likewise.
        (_M_destruct()): Likewise.
        (_M_reset()): Likewise.
        (_Optional_base::_Empty_byte): Remove.
        (_Optional_base::_M_empty): Remove.
        (_Optional_base::_M_payload): Adjust.
        * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
        * testsuite/20_util/optional/constexpr/cons/value.cc: Add tests.

2017-03-28  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/80137
        * include/bits/random.tcc (generate_canonical): Use std::nextafter
        or numeric_limits::epsilon() to reduce out-of-range values.
        * testsuite/26_numerics/random/uniform_real_distribution/operators/
        64351.cc: Verify complexity requirement is met.

        * doc/xml/manual/abi.xml: Add xml:id anchor.
        * doc/xml/manual/using.xml (manual.intro.using.macros): Document
        _GLIBCXX_RELEASE. Link to new anchor for __GLIBCXX__ notes.
        (concurrency.io.structure): Add markup.
        * doc/html/*: Regenerate.

        PR libstdc++/80229
        * include/bits/shared_ptr_base.h
        (__shared_ptr::_M_enable_shared_from_this_with): Change parameters to
        non-const and then use remove_cv to get unqualified type.
        * testsuite/20_util/enable_shared_from_this/members/const.cc: Don't
        cast away constness on object created const.
        * testsuite/20_util/shared_ptr/cons/80229.cc: New test.

2017-03-26  Markus Trippelsdorf  <markus@trippelsdorf.de>

        PR libstdc++/80183
        * include/bits/stl_tree.h:
        (_Rb_tree_header::_M_move_data(_Rb_tree_header&)): Also save _M_color.

2017-03-23  Jonathan Wakely  <jwakely@redhat.com>

        * testsuite/23_containers/array/tuple_interface/
        tuple_element_debug_neg.cc: Adjust dg-error.
        * testsuite/23_containers/list/operations/78389.cc: Fix less-than to
        define a valid strict weak ordering.
        * testsuite/23_containers/priority_queue/67085.cc: Disable test for
        Debug Mode, due to debug checks making extra copies of predicate.
        * testsuite/ext/pb_ds/regression/priority_queue_binary_heap-62045.cc:
        Likewise.

        * doc/xml/faq.xml: Add link.
        * doc/xml/manual/backwards_compatibility.xml: Remove outdated
        information on pre-ISO headers. Replace broken link to C++ FAQ Lite.
        * doc/xml/manual/io.xml: Update broken link.
        * doc/html/*: Regenerate.

2017-03-23  Daniel Kruegler  <daniel.kruegler@gmail.com>

        Implement LWG 2686, Why is std::hash specialized for error_code,
        but not error_condition?
        * include/std/system_error (hash<error_condition>): Define for C++17.
        * testsuite/20_util/hash/operators/size_t.cc (hash<error_condition>):
        Instantiate test for error_condition.
        * testsuite/20_util/hash/requirements/explicit_instantiation.cc
        (hash<error_condition>): Instantiate hash<error_condition>.

        * include/bits/c++config (_GLIBCXX17_INLINE): Define.
        * include/bits/regex_constants.h (All std::regex_constants constants):
        Add _GLIBCXX17_INLINE as per P0607R0.
        * include/bits/std_mutex.h (defer_lock, try_to_lock, adopt_lock):
        Likewise.
        * include/bits/stl_pair.h (piecewise_construct): Likewise.
        * include/bits/uses_allocator.h (allocator_arg, uses_allocator_v)
        (__is_uses_allocator_constructible_v)
        (__is_nothrow_uses_allocator_constructible_v): Likewise.
        * include/std/chrono (treat_as_floating_point_v): Likewise.
        * include/std/functional (is_bind_expression_v, is_placeholder_v):
        Likewise.
        * include/std/optional (nullopt): Likewise.
        * include/std/ratio (ratio_equal_v, ratio_not_equal_v, ratio_less_v)
        ratio_less_equal_v, ratio_greater_v, ratio_greater_equal_v): Likewise.
        * include/std/system_error (is_error_code_enum_v)
        (is_error_condition_enum_v): Likewise.
        * include/std/tuple (tuple_size_v, ignore): Likewise.
        (ignore): Declare ignore constexpr as per LWG 2773, declare assignment
        constexpr as per LWG 2933.
        * include/std/type_traits (All variable templates): Add
        _GLIBCXX17_INLINE as per P0607R0.
        * include/std/variant (variant_size_v, variant_npos, __index_of_v)
        (__tuple_count_v, __exactly_once): Likewise.
        * testsuite/18_support/headers/new/synopsis.cc
        (hardware_destructive_interference_size)
        (hardware_constructive_interference_size): Likewise for commented-out
        variables.
        * testsuite/20_util/tuple/creation_functions/constexpr.cc: Add new
        test function for constexpr std::ignore (LWG 2773).
        * testsuite/20_util/tuple/creation_functions/constexpr_cpp14.cc: New
        test for LWG 2933.

2017-03-22  Jonathan Wakely  <jwakely@redhat.com>

        * include/bits/shared_ptr.h (shared_ptr, weak_ptr): Add deduction
        guides for C++17.
        * include/bits/std_function.h (function): Likewise.
        * include/bits/stl_pair.h (pair): Likewise.
        * include/debug/array (__gnu_debug::array): Likewise.
        * include/std/array (array): Likewise.
        * include/std/functional (make_default_searcher)
        (make_boyer_moore_searcher, make_boyer_moore_horspool_searcher):
        Remove generator functions.
        * include/std/tuple (tuple): Add deduction guides.
        * include/std/valarray (valarray): Likewise.
        * testsuite/20_util/function_objects/searchers.cc: Adjust to use
        class template argument deduction instead of generator functions.
        * testsuite/20_util/function/cons/deduction.cc: New test.
        * testsuite/20_util/optional/cons/deduction_guide.cc: Rename to ...
        * testsuite/20_util/optional/cons/deduction.cc: ... here.
        * testsuite/20_util/pair/cons/deduction.cc: New test.
        * testsuite/20_util/shared_ptr/cons/deduction.cc: New test.
        * testsuite/20_util/tuple/cons/deduction.cc: New test.
        * testsuite/20_util/tuple/element_access/get_neg.cc: Adjust dg-error.
        * testsuite/20_util/unique_ptr/cons/deduction_neg.cc: New test.
        * testsuite/20_util/weak_ptr/cons/deduction.cc: New test.
        * testsuite/23_containers/array/cons/deduction.cc: New test.
        * testsuite/23_containers/array/cons/deduction_neg.cc: New test.
        * testsuite/23_containers/array/tuple_interface/get_debug_neg.cc:
        Adjust dg-error.
        * testsuite/23_containers/array/tuple_interface/get_neg.cc: Likewise.
        * testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
        Likewise.
        * testsuite/26_numerics/valarray/deduction.cc: New test.
        * testsuite/30_threads/lock_guard/cons/deduction.cc: New test.
        * testsuite/30_threads/scoped_lock/cons/deduction.cc: New test.
        * testsuite/30_threads/unique_lock/cons/deduction.cc: New test.

2017-03-20  François Dumont  <fdumont@gcc.gnu.org>

        * include/bits/stl_deque.h (deque): Access allocator value_type only if
        concept checks are enabled.
        * include/bits/stl_stack.h (stack): Likewise.
        * include/bits/stl_vector.h (vector): Likewise.
        * include/bits/stl_list.h (list): Likewise and check
        _SGIAssignableConcept only in C++03.
        * include/bits/stl_map.h (map): Likewise.
        * include/bits/stl_set.h (set): Likewise.
        * include/bits/stl_multimap.h (multimap): Likewise.
        * include/bits/stl_multiset.h (multiset): Likewise.
        * include/bits/stl_queue.h (queue, priority_queue): Likewise.

2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/xml/manual/appendix_contributing.xml: Convert link to
        ansi.org to https.
        Update link to the C++ standard at ansi.org.

        * doc/xml/faq.xml: Remove information redundant with the above;
        instead add a reference.

2017-03-17  Jonathan Wakely  <jwakely@redhat.com>

        * src/c++11/codecvt.cc (range): Add non-type template parameter and
        define oerloaded operators for reading and writing code units.
        (range<Elem, false>): Define partial specialization for accessing
        wide characters in potentially unaligned byte ranges.
        (ucs2_span(const char16_t*, const char16_t*, ...))
        (ucs4_span(const char16_t*, const char16_t*, ...)): Change parameters
        to range<const char16_t, false> in order to avoid unaligned reads.
        (__codecvt_utf16_base<char16_t>::do_out)
        (__codecvt_utf16_base<char32_t>::do_out)
        (__codecvt_utf16_base<wchar_t>::do_out): Use range specialization for
        unaligned data to avoid unaligned writes.
        (__codecvt_utf16_base<char16_t>::do_in)
        (__codecvt_utf16_base<char32_t>::do_in)
        (__codecvt_utf16_base<wchar_t>::do_in): Likewise for writes. Return
        error if there are unprocessable trailing bytes.
        (__codecvt_utf16_base<char16_t>::do_length)
        (__codecvt_utf16_base<char32_t>::do_length)
        (__codecvt_utf16_base<wchar_t>::do_length): Pass arguments of type
        range<const char16_t, false> to span functions.
        * testsuite/22_locale/codecvt/codecvt_utf16/misaligned.cc: New test.

2017-03-16  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/79980
        * src/c++11/codecvt.cc (to_integer(codecvt_mode)): Fix target type.

        PR libstdc++/80041
        * src/c++11/codecvt.cc (__codecvt_utf16_base<wchar_t>::do_out)
        (__codecvt_utf16_base<wchar_t>::do_in): Convert char arguments to
        char16_t to work with UTF-16 instead of UTF-8.
        * testsuite/22_locale/codecvt/codecvt_utf16/80041.cc: New test.

        * src/c++11/codecvt.cc (codecvt<char16_t, char, mbstate_t>)
        (codecvt<char32_t, char, mbstate_t>, __codecvt_utf8_base<char16_t>)
        (__codecvt_utf8_base<char32_t>, __codecvt_utf8_base<wchar_t>)
        (__codecvt_utf16_base<char16_t>, __codecvt_utf16_base<char32_t>)
        (__codecvt_utf16_base<wchar_t>, __codecvt_utf8_utf16_base<char16_t>)
        (__codecvt_utf8_utf16_base<char32_t>)
        (__codecvt_utf8_utf16_base<wchar_t>): Fix do_encoding() and
        do_max_length() return values.
        * testsuite/22_locale/codecvt/codecvt_utf16/members.cc: New test.
        * testsuite/22_locale/codecvt/codecvt_utf8/members.cc: New test.
        * testsuite/22_locale/codecvt/codecvt_utf8_utf16/members.cc: New test.

        PR libstdc++/79980
        * include/bits/locale_conv.h (__do_str_codecvt): Set __count on
        error path.
        * src/c++11/codecvt.cc (operator&=, operator|=, operator~): Overloads
        for manipulating codecvt_mode values.
        (read_utf16_bom): Compare input to BOM constants instead of integral
        constants that depend on endianness.  Take mode parameter by
        reference and adjust it, to distinguish between no BOM present and
        UTF-16BE BOM present.
        (ucs4_in, ucs2_span, ucs4_span): Adjust calls to read_utf16_bom.
        (surrogates): New enumeration type.
        (utf16_in, utf16_out): Add surrogates parameter to choose between
        UTF-16 and UCS2 behaviour.
        (utf16_span, ucs2_span): Use std::min not std::max.
        (ucs2_out): Use std::min not std::max.  Disallow surrogate pairs.
        (ucs2_in): Likewise. Adjust calls to read_utf16_bom.
        * testsuite/22_locale/codecvt/codecvt_utf16/79980.cc: New test.
        * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: New test.

        PR libstdc++/79511
        * src/c++11/codecvt.cc (write_utf16_code_point): Don't write 0xffff
        as a surrogate pair.
        (__codecvt_utf8_utf16_base<char32_t>::do_in): Use native endianness
        for internal representation.
        (__codecvt_utf8_utf16_base<wchar_t>::do_in): Likewise.
        * testsuite/22_locale/codecvt/codecvt_utf8_utf16/79511.cc: New test.

        PR libstdc++/80064
        * include/bits/stl_heap.h (__is_heap, push_heap, __adjust_heap)
        (pop_heap, make_heap, sort_heap, is_heap_until, is_heap): Cope with
        invalid instantiations using function types for _Compare argument.
        * testsuite/25_algorithms/make_heap/80064.cc: New test.

        PR libstdc++/67440
        * python/libstdcxx/v6/printers.py (find_type): Avoid gdb.Type.name
        for GDB 7.6 compatibility, use gdb.Type.unqualified instead.

2017-03-15  Ville Voutilainen  <ville.voutilainen@gmail.com>

        Implement LWG 2857, {variant,optional,any}::emplace should
        return the constructed value.
        * include/std/any (emplace(_Args&&...)): Change the return type and
        return a reference to the constructed value.
        (emplace(initializer_list<_Up>, _Args&&...)): Likewise.
        * include/std/optional (emplace(_Args&&...)): Likewise.
        (emplace(initializer_list<_Up>, _Args&&...)): Likewise.
        * include/std/variant (emplace<_Tp>(_Args&&...)): Likewise.
        (emplace<_Tp>(initializer_list<_Up>, _Args&&...)): Likewise.
        (emplace<_Np>(_Args&&...)): Likewise.
        (emplace<_Np>(initializer_list<_Up>, _Args&&...)): Likewise.
        * testsuite/20_util/any/assign/emplace.cc: Add tests for
        checking the return value of emplace.
        * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust.
        * testsuite/20_util/optional/assignment/6.cc: Add tests for
        checking the return value of emplace.
        * testsuite/20_util/variant/run.cc: Likewise.

2017-03-15  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>

        PR libstdc++/62045
        * include/ext/pb_ds/qdetail/binary_heap_/binary_heap_.hpp
        (is_heap): Remove.
        (push_heap): Remove the wrong checking using is_heap.
        (make_heap): Remove the assertion using is_heap.
        * include/ext/pb_ds/detail/binary_heap_/insert_fn_imps.hpp
        (modify): Ditto.
        (resize_for_insert_if_needed): Add PB_DS_ASSERT_VALID after
        calling make_heap.

2017-03-15  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/62045
        * testsuite/ext/pb_ds/regression/priority_queue_binary_heap-62045.cc:
        New test.
        * testsuite/ext/pb_ds/regression/priority_queues.cc: Fix copy&paste
        error in comment.

2017-03-15  Jonathan Wakely  <jwakely@redhat.com>

        * acinclude.m4 (GLIBCXX_CHECK_S_ISREG_OR_S_IFREG): Fix typo in
        comment.
        * config.h.in: Regenerate.
        * configure: Regenerate.
        * doc/Makefile.in: Regenerate.

2017-03-14  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/79162
        * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
        (basic_string<C,T,A>::operator=(basic_string_view<C,T>)): Replace
        with a constrained template.
        [!_GLIBCXX_USE_CXX11_ABI]
        (basic_string<C,T,A>::operator=(basic_string_view<C,T>)): Likewise.
        * testsuite/21_strings/basic_string/cons/char/79162.cc: New test.
        * testsuite/21_strings/basic_string/cons/wchar_t/79162.cc: New test.

2017-03-13  Ville Voutilainen  <ville.voutilainen@gmail.com>

        PR libstdc++/80034
        * include/bits/list.tcc (merge(list&&)): Use const for the size_t
        in the catch-block.
        (merge(list&&, _StrictWeakOrdering)): Likewise.
        * testsuite/23_containers/list/operations/80034.cc: New.

2017-03-13  Ville Voutilainen  <ville.voutilainen@gmail.com>

        Implement LWG 2806, Base class of bad_optional_access.
        * include/std/optional (bad_optional_access):
        Derive from std::exception.
        (bad_optional_access::bad_optional_access): Adjust.
        (bad_optional_access::what): New.
        (__throw_bad_optional_access(const char*)):
        Remove the parameter and adjust calls.
        * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
        * testsuite/20_util/optional/typedefs.cc: Likewise.

2017-03-12  Ville Voutilainen  <ville.voutilainen@gmail.com>

        Implement LWG 2934, optional<const T> doesn't compare with T.
        * include/std/optional
        (operator==(const optional<_Tp>&, const optional<_Tp>&)):
        Turn into operator==(const optional<_Tp>&, const optional<_Up>&).
        (operator!=(const optional<_Tp>&, const optional<_Tp>&)):
        Turn into operator!=(const optional<_Tp>&, const optional<_Up>&).
        (operator<(const optional<_Tp>&, const optional<_Tp>&)):
        Turn into operator<(const optional<_Tp>&, const optional<_Up>&.
        (operator>(const optional<_Tp>&, const optional<_Tp>&)):
        Turn into operator>(const optional<_Tp>&, const optional<_Up>&.
        (operator<=(const optional<_Tp>&, const optional<_Tp>&)):
        Turn into operator<=(const optional<_Tp>&, const optional<_Up>&).
        (operator>=(const optional<_Tp>&, const optional<_Tp>&)):
        Turn into operator>=(const optional<_Tp>&, const optional<_Up>&).
        (operator==(const optional<_Tp>&, const _Tp&)):
        Turn into operator==(const optional<_Tp>&, const _Up&).
        (operator==(const _Tp&, const optional<_Tp>&)):
        Turn into operator==(const _Up&, const optional<_Tp>&).
        (operator!=(const optional<_Tp>&, const _Tp&)):
        Turn into operator!=(const optional<_Tp>&, const _Up&).
        (operator!=(const _Tp&, const optional<_Tp>&)):
        Turn into operator!=(const _Up&, const optional<_Tp>&).
        (operator<(const optional<_Tp>&, const _Tp&)):
        Turn into operator<(const optional<_Tp>&, const _Up&).
        (operator<(const _Tp&, const optional<_Tp>&)):
        Turn into operator<(const _Up&, const optional<_Tp>&).
        (operator>(const optional<_Tp>&, const _Tp&)):
        Turn into operator>(const optional<_Tp>&, const _Up&).
        (operator>(const _Tp&, const optional<_Tp>&)):
        Turn into operator>(const _Up&, const optional<_Tp>&).
        (operator<=(const optional<_Tp>&, const _Tp&)):
        Turn into operator<=(const optional<_Tp>&, const _Up&).
        (operator<=(const _Tp&, const optional<_Tp>&)):
        Turn into operator<=(const _Up&, const optional<_Tp>&).
        (operator>=(const optional<_Tp>&, const _Tp&)):
        Turn into operator>=(const optional<_Tp>&, const _Up&).
        (operator>=(const _Tp&, const optional<_Tp>&)):
        Turn into operator>=(const _Up&, const optional<_Tp>&).
        * testsuite/20_util/optional/relops/7.cc: New.

2017-03-10  Jonathan Wakely  <jwakely@redhat.com>

        * testsuite/17_intro/names.cc: Undefine macros that clash with
        identifiers in AIX system headers.

        * include/bits/invoke.h (__invoke): Use __invoke_result instead of
        result_of, and __is_nothrow_invocable instead of
        __is_nothrow_callable.
        * include/bits/shared_ptr_base.h (__shared_ptr): Use __is_invocable
        instead of __is_callable.
        * include/std/functional (invoke): use invoke_result_t instead of
        result_of_t and is_nothrow_invocable instead of is_nothrow_callable.
        (_Not_fn): Use __invoke_result instead of result_of.
        * include/std/type_traits (__result_of_memobj, __result_of_memfun):
        Remove partial specializations for reference_wrapper types.
        (__result_of_impl): Use __inv_unwrap to strip reference_wrapper.
        (__invoke_result): Define replacement for result_of and then use it to
        define result_of.
        (__is_callable_impl, __is_callable, __is_nothrow_callable): Replace
        with __is_invocable_impl, __is_invocable, and __is_nothrow_invocable
        respectively.
        (invoke_result, invoke_result_t): Define for C++17.
        (is_callable, is_nothrow_callable): Replace with is_invocable,
        is_invocable_r, is_nothrow_invocable, and is_nothrow_invocable_r.
        (is_callable_v, is_nothrow_callable_v): Replace with is_invocable_v,
        is_invocable_r_v, is_nothrow_invocable_v, and is_nothrow_invocable_r_v.
        * include/std/variant (hash<variant<T...>>): Use is_nothrow_invocable_v
        instead of is_nothrow_callable_v.
        * testsuite/20_util/function_objects/invoke/59768.cc: Remove unused
        main function.
        * testsuite/20_util/function_objects/not_fn/1.cc: Use is_invocable
        instead of is_callable.
        * testsuite/20_util/is_callable/*: Rename directory and adjust tests
        to use new traits.
        * testsuite/20_util/is_nothrow_callable/*: Likewise.
        * testsuite/20_util/optional/hash.cc: Use is_invocable_v instead of
        is_callable.
        * testsuite/20_util/variant/hash.cc: Likewise.

2017-03-10  George Lander  <george.lander@arm.com>

        * acinclude.m4 (glibcxx_cv_obsolete_isnan): Define
        _GLIBCXX_INCLUDE_NEXT_C_HEADERS before including math.h.
        * configure: Regenerate.

2017-03-09  Jonathan Wakely  <jwakely@redhat.com>

        * include/std/functional (_Not_fn): Define macro to simplify
        repetitive function definitions.

        * doc/xml/manual/status_cxx2017.xml: Document std::byte support.
        * include/c_global/cstddef (std::byte): Define for C++17.
        * testsuite/18_support/byte/global_neg.cc: New test.
        * testsuite/18_support/byte/ops.cc: New test.
        * testsuite/18_support/byte/requirements.cc: New test.

2017-03-05  Jonathan Wakely  <jwakely@redhat.com>

        * doc/xml/manual/status_cxx2017.xml: Document P0156R2 status.
        * doc/html/*: Regenerate.
        * include/std/mutex (scoped_lock): Implement new C++17 template.
        * testsuite/30_threads/scoped_lock/cons/1.cc: New test.
        * testsuite/30_threads/scoped_lock/requirements/
        explicit_instantiation.cc: New test.
        * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: New test.

2017-03-02  Gerald Pfeifer  <gerald@pfeifer.com>
            François Dumont  <frs.dumont@gmail.com>
            Jonathan Wakely  <jwakely@redhat.com>

        * doc/xml/manual/debug_mode.xml: Update and simplify note
        on link- and run-time coexistence.

2017-03-02  Jonathan Wakely  <jwakely@redhat.com>

        * testsuite/17_intro/headers/names.cc: Rename to ...
        * testsuite/17_intro/names.cc: ... here.

        PR libstdc++/79789
        * include/bits/hashtable_policy.h (__clp2): Use reserved names for
        parameters and local variables.
        * include/bits/ios_base.h (make_error_code, make_error_condition):
        Likewise.
        * include/bits/list.tcc (list::sort): Likewise.
        * include/bits/mask_array.h (mask_array): Likewise.
        * include/bits/regex.h (regex_token_iterator): Likewise.
        * include/bits/slice_array.h (slice_array): Likewise.
        * include/bits/stl_algo.h (__sample): Likewise.
        * include/std/memory (undeclare_no_pointers): Likewise.
        * include/std/type_traits (is_callable_v, is_nothrow_callable_v):
        Likewise.
        * libsupc++/exception_ptr.h (__dest_thunk): Likewise.
        * testsuite/17_intro/headers/names.cc: New test.

        PR libstdc++/79798
        * include/std/functional (bind::_Res_type_impl): Fix incorrect use of
        result_of that loses top-level cv-qualifiers.
        * testsuite/20_util/bind/79798.cc: New test.

2017-03-01  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/xml/manual/documentation_hacking.xml: Tweak link to
        doxygen.org.

2017-02-23  Jonathan Wakely  <jwakely@redhat.com>

        * include/experimental/iterator: Include <iterator>.
        * testsuite/experimental/iterator/requirements.cc: Check for contents
        of <iterator>.

2017-02-19  Dinka Ranns  <dinka.ranns@googlemail.com>

        C++17 GB50 resolution
        * include/std/chrono (duration::operator++()): Add
        _GLIBCXX17_CONSTEXPR.
        (duration::operator++(int)): Likewise.
        (duration::operator--()): Likewise.
        (duration::operator--(int)): Likewise.
        (duration::operator+=(const duration&)): Likewise.
        (duration::operator-=(const duration&)): Likewise.
        (duration::operator*=(const rep&)): Likewise.
        (duration::operator/=(const rep&)): Likewise.
        (duration::operator%=(const rep&)): Likewise.
        (duration::operator%=(const duration&)): Likewise.
        (time_point::operator+=(const duration&)): Likewise.
        (time_point::operator-=(const duration&)): Likewise.
        * testsuite/20_util/duration/arithmetic/constexpr_c++17.cc: New test.
        * testsuite/20_util/duration/literals/range.cc: Adjust dg-error.
        * testsuite/20_util/time_point/arithmetic/constexpr.cc: New test.

2017-02-19  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/xml/manual/debug.xml: Adjust link to ThreadSanitizer.

2017-02-18  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/xml/manual/io.xml: Update link to groups.google.com.
        Tweak link description.

2017-02-18  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/xml/manual/profile_mode.xml: Fix link.

2017-02-16  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/xml/manual/policy_data_structures.xml: Simplify and
        standardize references to boost.org.
        * doc/xml/manual/policy_data_structures_biblio.xml: Ditto.
        * doc/xml/manual/shared_ptr.xml: Ditto.

2017-02-16  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/60936
        * src/c++11/snprintf_lite.cc (__concat_size_t): Calculate length
        written to buffer, not length remaining in buffer.

2017-02-15  Tim Shen  <timshen@google.com>

        PR libstdc++/78723
        * include/std/variant (operator<(), operator>(), operator<=(),
        operator>=(), operator==(), operator!=()): Implement P0393R3.
        * testsuite/20_util/variant/compile.cc: Adjust tests.
        * testsuite/20_util/variant/run.cc: Adjust tests.

2017-02-15  Tim Shen  <timshen@google.com>

        PR libstdc++/79513
        * include/std/variant (visit()): Forward variant types to the return
        type detection code.
        * testsuite/20_util/variant/compile.cc: Add test cases.

2017-02-13  H.J. Lu  <hongjiu.lu@intel.com>

        PR libstdc++/79348
        * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.

2017-02-13  Jakub Jelinek  <jakub@redhat.com>

        PR libstdc++/79348
        * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
        * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Likewise.
        * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Likewise.
        * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Likewise.
        * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Likewise.
        * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Likewise.
        * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Likewise.
        * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Likewise.
        * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Likewise.

2017-02-13  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/79486
        * include/std/future (__future_base::_Task_state::_M_run)
        (__future_base::_Task_state::_M_run_delayed): Use lvalue types in
        result_of expressions.
        * testsuite/30_threads/packaged_task/79486.cc: New.

2017-02-11  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/79467
        * include/bits/shared_ptr_base.h (__shared_ptr(_Yp*, _Deleter))
        (__shared_ptr(_Yp*, _Deleter, _Alloc)): Use lvalue types in
        __is_callable check.
        * testsuite/20_util/shared_ptr/cons/79467.cc: New.

        * include/bits/atomic_base.h: Re-indent.

2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/xml/manual/profile_mode.xml: Update a paper reference.

2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>

        * src/c++11/snprintf_lite.cc (__err): Use https for bug reporting.

2017-02-08  Jonathan Wakely  <jwakely@redhat.com>

        * doc/xml/manual/policy_data_structures.xml: Fix spelling of author's
        name.
        * doc/xml/manual/policy_data_structures_biblio.xml: Likewise. Remove
        broken links to texts that are no longer online.
        * doc/xml/manual/profile_mode.xml: Update links to CGO 2009 paper and
        LCPC 2006 paper.
        * doc/xml/manual/using.xml: Update links to memory model information.
        * doc/xml/manual/using_exceptions.xml: Update link to "Appendix E:
        Standard-Library Exception Safety".
        * doc/html/*: Regenerate.

2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/xml/manual/profile_mode.xml: Unbreak link to
        "Optimizing Sorting with Machine Learning Algorithms".

2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>

        * src/c++11/snprintf_lite.cc (__err): Update bug reporting URL.

2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/xml/manual/abi.xml: Update link to "Sun Studio 11: C++
        Migration Guide".

2017-02-07  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/html/ext/lwg-active.html: Remove.
        * doc/html/ext/lwg-closed.html: Ditto.
        * doc/html/ext/lwg-defects.html: Ditto.

        * doc/Makefile.am (xml_extradir): Remove.
        (xml_extra): Ditto.
        (stamp-html-docbook-lwg): Remove recipe...
        (stamp-html-docbook-data): ...and its use here.
        * doc/Makefile.in: Regenerate.

        * doc/xml/manual/intro.xml: Shorten two paragraphs explaining
        the relationship to the upstream working group.
        Replace a local link to ../ext/lwg-active.html by the upstream one.
        Replace all reference to ../ext/lwg-defects.html by a new entity
        &DR; which refers to the upstream address.

2017-02-07  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/xml/manual/status_cxx2017.xml: Fix link to N4284.

2017-02-06  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/79323
        * testsuite/20_util/duration/literals/range.cc: Prune extra output
        at -O0.

2017-02-06  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/xml/manual/documentation_hacking.xml: Update URL of the
        DocBook Element Reference.  Use that term as link description
        instead of "online".
        epubcheck has moved to GitHub.
        Remove obsolete link to DocBook Publishing Tools.

2017-02-03  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/66145
        * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Restore ABI override
        so new ios::failure can be caught even when old ABI is the default.
        * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
        * testsuite/27_io/basic_istream/extractors_arithmetic/char/
        exceptions_failbit.cc: Likewise.
        * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
        exceptions_failbit.cc: Likewise.
        * testsuite/27_io/basic_istream/extractors_other/char/
        exceptions_null.cc: Likewise.
        * testsuite/27_io/basic_istream/extractors_other/wchar_t/
        exceptions_null.cc: Likewise.
        * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
        * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
        * testsuite/27_io/basic_ostream/inserters_other/char/
        exceptions_null.cc: Likewise.
        * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
        exceptions_null.cc: Likewise.
        * testsuite/27_io/ios_base/storage/2.cc: Likewise.

        PR libstdc++/60936
        * src/c++11/Makefile.am: Add new files.
        * src/c++11/Makefile.in: Regenerate.
        * src/c++11/cow-string-inst.cc [!_GLIBCXX_USE_CXX11_ABI]
        (operator<<, operator>>, getline): Move explicit instantiations to ...
        * src/c++11/cow-string-io-inst.cc: ... new file.
        * src/c++11/cow-wstring-inst.cc [!_GLIBCXX_USE_CXX11_ABI]
        (operator<<, operator>>, getline): Move explicit instantiations to ...
        * src/c++11/cow-wstring-io-inst.cc: ... new file.
        * src/c++11/functexcept.cc (__throw_ios_failure, __throw_system_error)
        (__throw_future_error, __throw_bad_function_call):
        (__throw_regex_error): Move functions for C++11 exceptions to the
        files that define the exception types.
        * src/c++11/functional.cc (__throw_bad_function_call): Move here.
        * src/c++11/future.cc (__throw_future_error): Likewise.
        * src/c++11/ios.cc (__throw_ios_failure): Likewise.
        * src/c++11/regex.cc (__throw_regex_error): Likewise.
        * src/c++11/snprintf_lite.cc (__concat_size_t): Print decimal
        representation directly instead of calling __int_to_char.
        * src/c++11/sso_string.cc (__sso_string): New file for definition
        of __sso_string type.
        * src/c++11/string-io-inst.cc [_GLIBCXX_USE_CXX11_ABI]: New file for
        explicit instantiations of narrow string I/O functions.
        * src/c++11/system_error.cc (__throw_system_error): Move here.
        (__sso_string): Move to new file.
        * src/c++11/wstring-io-inst.cc [_GLIBCXX_USE_CXX11_ABI]: New file for
        explicit instantiations of wide string I/O functions.
        * src/c++98/misc-inst.cc [_GLIBCXX_USE_CXX11_ABI] (operator<<)
        (operator>>, getline): Remove explicit instantiations from here.

2017-02-02  H.J. Lu  <hongjiu.lu@intel.com>

        * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.

2017-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.host: Separate Solaris/SPARC and x86 baselines.
        * config/abi/post/solaris2.10/baseline_symbols.txt: Move ...
        * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: ... here.
        * config/abi/post/solaris2.10/sparcv9/baseline_symbols.txt: Move ...
        * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
        ... here.
        * config/abi/post/solaris2.10/amd64/baseline_symbols.txt: Move ...
        * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: ... here.
        * config/abi/post/i386-solaris2.10/baseline_symbols.txt: New file.
        * config/abi/post/solaris2.11/baseline_symbols.txt: Move ...
        * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: ... here.
        * config/abi/post/solaris2.11/sparcv9/baseline_symbols.txt: Move ...
        * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
        ... here.
        * config/abi/post/solaris2.11/amd64/baseline_symbols.txt: Move ...
        * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: ... here.
        * config/abi/post/i386-solaris2.11/baseline_symbols.txt: New file.

        * config/abi/post/solaris2.10/baseline_symbols.txt: Regenerate.
        * config/abi/post/solaris2.10/amd64/baseline_symbols.txt: Likewise.
        * config/abi/post/solaris2.10/sparcv9/baseline_symbols.txt: Likewise.
        * config/abi/post/solaris2.11/baseline_symbols.txt: Likewise.
        * config/abi/post/solaris2.11/amd64/baseline_symbols.txt: Likewise.
        * config/abi/post/solaris2.11/sparcv9/baseline_symbols.txt: Likewise.

2017-02-01  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/78346
        * include/bits/predefined_ops.h (_Iter_equals_iter): Store iterator
        not its referent.
        (_Iter_comp_to_iter): Likewise.
        * testsuite/25_algorithms/search/78346.cc: New test.

        PR libstdc++/79254
        * config/abi/pre/gnu.ver: Remove recently added symbols.
        * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
        (basic_string::_M_copy_assign): Remove.
        (basic_string::operator=(const basic_string&)): Don't dispatch to
        _M_copy_assign. If source object is small just deallocate, otherwise
        perform new allocation before making any changes.
        * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
        (basic_string::_M_copy_assign(const basic_string&, true_type)):
        Remove.
        * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
        Test cases where the allocators are equal or the string is small.
        * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
        Likewise.

2017-01-30  Ville Voutilainen  <ville.voutilainen@gmail.com>

        Implement LWG 2825, LWG 2756 breaks class template argument
        deduction for optional.
        * include/std/optional: Add a deduction guide.
        * testsuite/20_util/optional/cons/deduction_guide.cc: New.

2017-01-27  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/79254
        * config/abi/pre/gnu.ver: Add new symbols.
        * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
        (basic_string::_M_copy_assign): New overloaded functions to perform
        copy assignment.
        (basic_string::operator=(const basic_string&)): Dispatch to
        _M_copy_assign.
        * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
        (basic_string::_M_copy_assign(const basic_string&, true_type)):
        Define, performing rollback on exception.
        * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
        Test exception-safety guarantee.
        * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
        Likewise.
        * testsuite/util/testsuite_allocator.h (uneq_allocator::swap): Make
        std::swap visible.

2017-01-26  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/70607
        * include/tr1/complex (conj): Remove using-declaration and restore
        overloads, reverting previous change.

        * testsuite/23_containers/list/operations/78389.cc: Fix for C++11
        mode.
        * testsuite/23_containers/priority_queue/requirements/constructible.cc:
        Mark as unsupported in C++98 mode.
        * testsuite/23_containers/queue/requirements/constructible.cc:
        Likewise.
        * testsuite/23_containers/stack/requirements/constructible.cc:
        Likewise.
        * testsuite/25_algorithms/make_heap/movable.cc: Fix for C++11 mode.

        PR libstdc++/79243
        * include/bits/c++config (literals::string_view_literals::__7): Add.
        Only declare versioned namespaces for the relevant C++ dialects.
        * include/experimental/bits/erase_if.h (fundamentals_v2::__detail):
        Add versioning macros.
        * include/experimental/bits/lfts_config.h:
        (fundamentals_v1::__detail::__7, fundamentals_v2::__detail::__7): Add.
        * include/experimental/string_view (fundamentals_v2::__detail):
        Add versioning macros.
        (fundamentals_v2::__detail::__identity): Remove.
        (fundamentals_v2::__detail::__idt): Use common_type instead of
        __detail::__identity.
        * include/std/string_view (__detail::__identity, __detail::__idt):
        Likewise.
        (literals::string_view_literals): Fix nesting of versioning macros.

        PR libstdc++/79190
        * libsupc++/del_opa.cc (operator delete(void*, std::align_val_t))
        [!_GLIBCXX_HAVE_ALIGNED_ALLOC && !_GLIBCXX_HAVE_POSIX_MEMALIGN
        && !_GLIBCXX_HAVE_MEMALIGN && !_GLIBCXX_HAVE__ALIGNED_MALLOC]:
        Retrieve original pointer value allocated by malloc.
        * libsupc++/new_opa.cc [!_GLIBCXX_HAVE_ALIGNED_ALLOC
        && !_GLIBCXX_HAVE_POSIX_MEMALIGN && !_GLIBCXX_HAVE_MEMALIGN
        && !_GLIBCXX_HAVE__ALIGNED_MALLOC] (aligned_alloc(size_t, size_t)):
        Define, adjusting pointer value allocated by malloc and storing for
        retrieval by operator delete.

2017-01-26  Jakub Jelinek  <jakub@redhat.com>

        * libsupc++/eh_atomics.h: Update copyright years.
        * testsuite/20_util/unique_ptr/cons/default.cc: Update copyright years.

2017-01-25  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/61791
        PR libstdc++/70607
        * include/std/complex (real(T), imag(T)): Add _GLIBCXX_CONSTEXPR.
        (proj(T), conj(T)): Change return types per DR 1522.
        * include/tr1/complex (conj): Remove overloads and use std::conj.
        * testsuite/26_numerics/complex/dr781_dr1137.cc: Rename to...
        * testsuite/26_numerics/complex/dr781.cc: ... this, and update.
        * testsuite/26_numerics/complex/value_operations/constexpr2.cc: Test
        real(T) and imag(T). Allow testing for C++11 too.

2017-01-24  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/79206
        * include/experimental/string_view (operator==): Check sizes first.
        * include/std/string_view (operator==): Likewise.

2017-01-23  Jonathan Wakely  <jwakely@redhat.com>

        * testsuite/experimental/array/make_array.cc: Restore <functional>
        inclusion.

2017-01-23  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * testsuite/29_atomics/atomic/69301.cc: Require atomic builtins.

2017-01-23  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/79195
        * include/experimental/array (__make_array_elem): New class template
        and partial specialization.
        (__is_reference_wrapper): Move into __make_array_elem specialization.
        (make_array): Use __make_array_elem to determine element type and move
        static assertion into specialization. Qualify std::forward call.
        (to_array): Add exception specifiation.
        * testsuite/experimental/array/make_array.cc: Test argument types
        without a common type.
        * testsuite/experimental/array/neg.cc: Adjust expected error message.

2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/xml/manual/debug.xml: code.google.com uses https now.

2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/xml/manual/test.xml: Fix link into gccint online manual.

2017-01-21  Ville Voutilainen  <ville.voutilainen@gmail.com>

        Make poisoned hashes SFINAE away the call operator of the hash.
        * include/bits/functional_hash.h
        (__poison_hash::__enable_hash_call): New.
        * include/std/optional (__optional_hash_call_base): New.
        (hash<optional<_Tp>>): Derive from the new base,
        move the hash function into that base.
        * include/std/variant (__variant_hash_call_base_impl): New.
        (__variant_hash_call_base): Likewise.
        (hash<variant<_Types...>>): Derive from the new base,
        move the hash function into that base.
        * testsuite/20_util/optional/hash.cc: Add tests for is_callable.
        * testsuite/20_util/variant/hash.cc: Likewise.

2017-01-20  Joe Seymour  <joe.s@somniumtech.com>

        * acinclude.m4 (GLIBCXX_CHECK_SIZE_T_MANGLING): Support uint20_t.
        * configure: Regenerate.

2017-01-20  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/69240
        * include/bits/random.h (uniform_real_distribution::param_type)
        (normal_distribution::param_type, lognormal_distribution::param_type)
        (gamma_distribution::param_type, chi_squared_distribution::param_type)
        (cauchy_distribution::param_type, fisher_f_distribution::param_type)
        (student_t_distribution::param_type)
        (bernoulli_distribution::param_type, binomial_distribution::param_type)
        (geometric_distribution::param_type)
        (negative_binomial_distribution::param_type)
        (poisson_distribution::param_type)
        (exponential_distribution::param_type)
        (weibull_distribution::param_type)
        (extreme_value_distribution::param_type)
        (discrete_distribution::param_type)
        (piecewise_constant_distribution::param_type)
        (piecewise_linear_distribution::param_type): Define operator!=.
        * include/bits/uniform_int_dist.h
        (uniform_int_distribution::param_type): Likewise.
        * include/ext/random (beta_distribution::param_type)
        (rice_distribution::param_type, nakagami_distribution::param_type)
        (pareto_distribution::param_type, k_distribution::param_type)
        (arcsine_distribution::param_type, hoyt_distribution::param_type)
        (triangular_distribution::param_type)
        (von_mises_distribution::param_type)
        (hypergeometric_distribution::param_type)
        (logistic_distribution::param_type)
        (uniform_on_sphere_distribution::param_type)
        (uniform_inside_sphere_distribution::param_type): Likewise.
        * testsuite/26_numerics/random/bernoulli_distribution/cons/parms.cc:
        Test construction with param_type.
        * testsuite/26_numerics/random/binomial_distribution/cons/parms.cc:
        Likewise.
        * testsuite/26_numerics/random/cauchy_distribution/cons/parms.cc:
        Likewise.
        * testsuite/26_numerics/random/chi_squared_distribution/cons/parms.cc:
        Likewise.
        * testsuite/26_numerics/random/exponential_distribution/cons/parms.cc:
        Likewise.
        * testsuite/26_numerics/random/extreme_value_distribution/cons/
        parms.cc: Likewise.
        * testsuite/26_numerics/random/fisher_f_distribution/cons/parms.cc:
        Likewise.
        * testsuite/26_numerics/random/gamma_distribution/cons/parms.cc:
        Likewise.
        * testsuite/26_numerics/random/geometric_distribution/cons/parms.cc:
        Likewise.
        * testsuite/26_numerics/random/lognormal_distribution/cons/parms.cc:
        Likewise.
        * testsuite/26_numerics/random/negative_binomial_distribution/cons/
        parms.cc: Likewise.
        * testsuite/26_numerics/random/normal_distribution/cons/parms.cc:
        Likewise.
        * testsuite/26_numerics/random/poisson_distribution/cons/parms.cc:
        Likewise.
        * testsuite/26_numerics/random/student_t_distribution/cons/parms.cc:
        Likewise.
        * testsuite/26_numerics/random/uniform_int_distribution/cons/parms.cc:
        Likewise.
        * testsuite/26_numerics/random/uniform_real_distribution/cons/parms.cc:
        Likewise.
        * testsuite/26_numerics/random/weibull_distribution/cons/parms.cc:
        Likewise.
        * testsuite/ext/random/arcsine_distribution/cons/parms.cc: Likewise.
        * testsuite/ext/random/beta_distribution/cons/parms.cc: Likewise.
        * testsuite/ext/random/hoyt_distribution/cons/parms.cc: Likewise.
        * testsuite/ext/random/hypergeometric_distribution/cons/parms.cc:
        Likewise.
        * testsuite/ext/random/k_distribution/cons/parms.cc: Likewise.
        * testsuite/ext/random/logistic_distribution/cons/parms.cc: Likewise.
        * testsuite/ext/random/nakagami_distribution/cons/parms.cc: Likewise.
        * testsuite/ext/random/normal_mv_distribution/cons/parms.cc: Likewise.
        * testsuite/ext/random/pareto_distribution/cons/parms.cc: Likewise.
        * testsuite/ext/random/rice_distribution/cons/parms.cc: Likewise.
        * testsuite/ext/random/triangular_distribution/cons/parms.cc:
        Likewise.
        * testsuite/ext/random/uniform_inside_sphere_distribution/cons/
        parms.cc: Likewise.
        * testsuite/ext/random/von_mises_distribution/cons/parms.cc: Likewise.

        PR libstdc++/72792
        * include/bits/alloc_traits.h (__allocator_traits_base::__diff_type)
        (__allocator_traits_base::__size_type): Remove.
        (allocator_traits::_Ptr): New class template to detect const and void
        pointer types without instantiating pointer_traits::rebind
        unnecessarily.
        (allocator_traits::_Diff): Likewise for detecting difference_type.
        (allocator_traits::_Size): New class template to detect size_type
        without instantiating make_unsigned unnecessarily.
        * include/bits/ptr_traits.h (pointer_traits::element_type): Use
        __detected_or_t instead of __detected_or_t_.
        * include/std/type_traits (__detected_or_t_): Remove.
        * testsuite/20_util/allocator_traits/members/pointers.cc: New test.

        PR libstdc++/72792
        PR libstdc++/72793
        * include/bits/alloc_traits.h (__allocator_traits_base::__rebind):
        Replace with class template using void_t.
        (__alloc_rebind): Define in terms of
        __allocator_traits_base::__rebind.
        (allocator_traits): Remove unconditional static_assert for
        rebind_alloc.
        * include/bits/ptr_traits.h (__replace_first_arg): Remove type member.
        (pointer_traits::__rebind): Replace with class template using void_t.
        (pointer_traits::rebind): Define in terms of __rebind.
        (pointer_traits): Remove unconditional static_assert for rebind.
        * testsuite/20_util/allocator_traits/members/rebind_alloc.cc: New test.
        * testsuite/20_util/pointer_traits/rebind.cc: New test.

        PR libstdc++/69321
        * include/experimental/any (__any_caster): Avoid instantiating
        manager function for types that can't be stored in any.
        * include/std/any (__any_caster): Likewise.
        * testsuite/20_util/any/misc/any_cast.cc: Test non-copyable type.
        * testsuite/experimental/any/misc/any_cast.cc: Likewise.

        PR libstdc++/64903
        * include/bits/stl_algo.h (is_partitioned): Use increment instead of
        std::advance.

2017-01-19  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/79156
        * include/bits/shared_ptr_base.h (__enable_shared_from_this_base):
        Fix return type.
        (__enable_shared_from_this): Declare __shared_ptr as a friend.
        * testsuite/ext/shared_ptr/1.cc: New test.

        PR libstdc++/64903
        * include/bits/stl_algo.h (is_partitioned): Don't retest the partition
        point.
        * testsuite/25_algorithms/is_partitioned/2.cc: New test.

        * doc/xml/manual/abi.xml: Fix typo.
        * doc/html/manual/abi.html: Likewise.

        PR libstdc++/67085
        * include/bits/predefined_ops.h (_Iter_less_val, _Val_less_iter): Add
        converting constructors from _Iter_less_iter.
        (_Iter_comp_val, _Val_comp_iter): Add converting constructors from
        _Iter_comp_iter.
        (__iter_comp_val(_Iter_comp_iter<C>): Use converting constructor.
        (__val_comp_iter(_Iter_comp_iter<C>): Likewise.
        * include/bits/stl_heap.h (__is_heap_until, __push_heap, __pop_heap)
        (__make_heap, __sort_heap): Change _Compare parameters to references.
        (__is_heap, push_heap, __adjust_heap, __pop_heap, pop_heap)
        (__make_heap, make_heap, sort_heap, is_heap_until): Pass comparison
        functions as lvalues.
        (is_heap): Call __is_heap_until directly to avoid copying __comp.
        * testsuite/23_containers/priority_queue/67085.cc: Adjust test to
        count copies during construction with empty sequence.

        PR libstdc++/67085
        * include/bits/stl_heap.h (__is_heap): Use _GLIBCXX_MOVE.
        (__make_heap, __sort_heap): Don't use _GLIBCXX_MOVE inside loops.
        * testsuite/23_containers/priority_queue/67085.cc: Adjust expected
        number of copies.
        * testsuite/25_algorithms/make_heap/movable.cc: New test.

        PR libstdc++/67085
        * include/bits/stl_heap.h (push_heap, __adjust_heap, __pop_heap)
        (pop_heap, __make_heap, make_heap, __sort_heap, sort_heap): Use
        _GLIBCXX_MOVE when passing comparison function to other functions.
        (is_heap_until, is_heap): Use std::move when passing comparison
        function.
        * testsuite/23_containers/priority_queue/67085.cc: New test.

        PR libstdc++/78905
        * doc/xml/manual/abi.xml (abi.versioning.history): Add markup to
        macro names, filenames, and literal values. Document _GLIBCXX_RELEASE.
        Document that the deprecated _GLIBCXX_VERSION macro was removed for
        the 4.0.0 release.
        * doc/html/*: Regenerate.
        * include/Makefile.am (_GLIBCXX_RELEASE): Set value.
        * include/Makefile.in: Regenerate.
        * include/bits/c++config (_GLIBCXX_RELEASE): Add #define.
        * testsuite/ext/profile/mutex_extensions_neg.cc: Use lineno of 0 in
        dg-error.

2017-01-18  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/69301
        * include/std/atomic (atomic<T>::load, atomic<T>::exchange): Use
        aligned buffer instead of default-initialized variable.
        * testsuite/29_atomics/atomic/69301.cc: New test.
        * include/experimental/memory (observer_ptr::release): Use reserved
        name.
        * include/ext/pointer.h (_Pointer_adapter::operator++(int))
        (_Pointer_adapter::operator--(int)): Likewise.

        PR libstdc++/68925
        * include/experimental/random (randint): Use temporary instead of
        thread_local static.

2017-01-17  Joshua Conner  <joshconner@google.com>

        * crossconfig.m4: Add fuchsia OS.
        * configure: Regenerate.

2017-01-17  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/69699
        * doc/xml/manual/abi.xml (abi.versioning.history): Explain why the
        __GLIBCXX__ macro is not useful. Remove redundant date information
        and link to the GCC release timeline.
        (abi.versioning.active): Move partial sentence into the previous
        paragraph.
        * doc/html/*: Regenerate.

        PR libstdc++/79114
        * libsupc++/nested_exception.h (throw_with_nested): Use decay instead
        of remove_reference.
        * testsuite/18_support/nested_exception/79114.cc: New test.

2017-01-17  Jakub Jelinek  <jakub@redhat.com>

        PR other/79046
        * configure.ac: Add GCC_BASE_VER.
        * fragment.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
        get version from BASE-VER file.
        * po/Makefile.in: Regenerated.
        * libsupc++/Makefile.in: Regenerated.
        * testsuite/Makefile.in: Regenerated.
        * src/Makefile.in: Regenerated.
        * configure: Regenerated.
        * Makefile.in: Regenerated.
        * include/Makefile.in: Regenerated.
        * doc/Makefile.in: Regenerated.
        * python/Makefile.in: Regenerated.
        * src/c++11/Makefile.in: Regenerated.
        * src/c++98/Makefile.in: Regenerated.
        * src/filesystem/Makefile.in: Regenerated.

2017-01-16  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/66145
        * src/c++11/functexcept.cc: Use new ABI for std::ios_base::failure
        exceptions.
        * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Don't override ABI
        for test, so new ios::failure can be caught.
        * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
        * testsuite/27_io/basic_istream/extractors_arithmetic/char/
        exceptions_failbit.cc: Likewise.
        * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
        exceptions_failbit.cc: Likewise.
        * testsuite/27_io/basic_istream/extractors_other/char/
        exceptions_null.cc: Likewise.
        * testsuite/27_io/basic_istream/extractors_other/wchar_t/
        exceptions_null.cc: Likewise.
        * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
        * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
        * testsuite/27_io/basic_ostream/inserters_other/char/
        exceptions_null.cc: Likewise.
        * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
        exceptions_null.cc: Likewise.
        * testsuite/27_io/ios_base/storage/2.cc: Likewise.

        PR libstdc++/78702
        * include/bits/locale_classes.h (locale::facet::__shim): Change from
        private to protected.
        * src/c++11/cxx11-shim_facets.cc (__shim_accessor): Define helper to
        make locale::facet::__shim accessible.

2017-01-16  Ville Voutilainen  <ville.voutilainen@gmail.com>

        PR libstdc++/78389
        * include/bits/list.tcc (merge(list&&)): Fix backwards size adjustments.
        (merge(list&&, _StrictWeakOrdering)): Likewise.
        * testsuite/23_containers/list/operations/78389.cc: Add
        better test for the sizes.

2017-01-14  Jonathan Wakely  <jwakely@redhat.com>

        * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
        Skip test when -D_GLIBCXX_PROFILE mode is included in options.
        * testsuite/23_containers/map/modifiers/extract.cc: Likewise.
        * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
        Likewise.
        * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
        * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
        * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
        * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
        * testsuite/23_containers/unordered_map/modifiers/extract.cc:
        Likewise.
        * testsuite/23_containers/unordered_multimap/modifiers/extract.cc::
        Likewise.
        * testsuite/23_containers/unordered_multiset/modifiers/extract.cc::
        Likewise.
        * testsuite/23_containers/unordered_set/modifiers/extract.cc:
        Likewise.
        * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
        Likewise.
        * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
        * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
        * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
        * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
        * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
        * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
        * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
        * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
        * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
        * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
        * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
        * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
        * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.

2017-01-13  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/65411
        * config/io/basic_file_stdio.cc (__basic_file<char>::close()): Don't
        retry fclose on EINTR.

        * include/profile/base.h: Remove unused header that leads to header
        cycle in C++17 mode.

        PR libstdc++/79075
        * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI] (basic_string):
        Make _If_sv private.
        [!_GLIBCXX_USE_CXX11_ABI] (basic_string): Add member functions taking
        basic_string_view arguments.

        PR libstdc++/79075
        * testsuite/lib/libstdc++.exp (check_v3_target_filesystem_ts): Remove
        redundant option from cxxflags.
        (check_effective_target_cxx11-abi): Define.
        * testsuite/21_strings/basic_string/allocator/71964.cc: Use cxx11-abi
        effective target.
        * testsuite/21_strings/basic_string/allocator/char/copy.cc: Likewise.
        * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
        Likewise.
        * testsuite/21_strings/basic_string/allocator/char/minimal.cc:
        Likewise.
        * testsuite/21_strings/basic_string/allocator/char/move.cc: Likewise.
        * testsuite/21_strings/basic_string/allocator/char/move_assign.cc:
        Likewise.
        * testsuite/21_strings/basic_string/allocator/char/noexcept.cc:
        Likewise.
        * testsuite/21_strings/basic_string/allocator/char/swap.cc: Likewise.
        * testsuite/21_strings/basic_string/allocator/wchar_t/copy.cc:
        Likewise.
        * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
        Likewise.
        * testsuite/21_strings/basic_string/allocator/wchar_t/minimal.cc:
        Likewise.
        * testsuite/21_strings/basic_string/allocator/wchar_t/move.cc:
        Likewise.
        * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc:
        Likewise.
        * testsuite/21_strings/basic_string/allocator/wchar_t/noexcept.cc:
        Likewise.
        * testsuite/21_strings/basic_string/allocator/wchar_t/swap.cc:
        Likewise.
        * testsuite/23_containers/list/61347.cc: Likewise.
        * testsuite/27_io/basic_fstream/cons/base.cc: Likewise.
        * testsuite/27_io/ios_base/failure/cxx11.cc: Likewise.

2017-01-13  Ville Voutilainen  <ville.voutilainen@gmail.com>

        PR libstdc++/78389
        * include/bits/list.tcc (merge(list&&)):
        Adjust list sizes if the comparator throws.
        (merge(list&&, _StrictWeakOrdering)): Likewise.
        (sort()): Splice elements back from the scratch buffers
        if the comparator throws.
        (sort(_StrictWeakOrdering)): Likewise.
        * testsuite/23_containers/list/operations/78389.cc: New.

2017-01-13  Jonathan Wakely  <jwakely@redhat.com>

        * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Mark
        XFAIL for C++17 until node reinsertion supports fancy pointers.

        PR libstdc++/78361
        * testsuite/20_util/add_pointer/value.cc: Test forming function
        pointers.

2017-01-13  Michael Brune  <lucdanton@free.fr>

        PR libstdc++/78361
        * include/std/type_traits (__is_referenceable): Handle noexcept
        function types.

2017-01-12  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/77528
        * include/bits/stl_queue.h (queue, priority_queue): Remove default
        member-initializers and define default constructors as templates with
        constraints.
        * include/bits/stl_stack.h (stack): Likewise.
        * testsuite/23_containers/priority_queue/requirements/constructible.cc:
        New.
        * testsuite/23_containers/priority_queue/requirements/
        explicit_instantiation/1.cc: Test more instantiations.
        * testsuite/23_containers/priority_queue/requirements/
        explicit_instantiation/1_c++98.cc: Likewise.
        * testsuite/23_containers/queue/requirements/constructible.cc: New.
        * testsuite/23_containers/stack/requirements/constructible.cc: New.

        PR libstdc++/66284
        * doc/xml/manual/intro.xml: Document LWG 2781 change.
        * doc/html/*: Regenerate.
        * include/std/functional (_Function_base::_Ref_manager): Remove.
        (_Function_handler): Remove partial specializations for
        reference_wrapper.
        (function::target): Remove special case for const qualification.
        * testsuite/20_util/function/6.cc: Adjust tests for target type.
        * testsuite/20_util/function/7.cc: Likewise.
        * testsuite/20_util/function/8.cc: Likewise.

2017-01-11  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/78134
        * include/bits/stl_map.h (map::lower_bound, map::upper_bound)
        (map::equal_range): Fix return type of heterogeneous overloads.
        * include/bits/stl_multimap.h (multimap::lower_bound)
        (multimap::upper_bound, multimap::equal_range): Likewise.
        * include/bits/stl_multiset.h (multiset::lower_bound)
        (multiset::upper_bound, multiset::equal_range): Likewise.
        * include/bits/stl_set.h (set::lower_bound, set::upper_bound)
        (set::equal_range): Likewise.
        * testsuite/23_containers/map/operations/2.cc
        * testsuite/23_containers/multimap/operations/2.cc
        * testsuite/23_containers/multiset/operations/2.cc
        * testsuite/23_containers/set/operations/2.cc

        PR libstdc++/78273
        * include/bits/stl_map.h (map::count<_Kt>(const _Kt&)): Don't assume
        the heterogeneous comparison can only find one match.
        * include/bits/stl_set.h (set::count<_Kt>(const _Kt&)): Likewise.
        * testsuite/23_containers/map/operations/2.cc: Test count works with
        comparison function that just partitions rather than sorting.
        * testsuite/23_containers/set/operations/2.cc: Likewise.

2017-01-11  Ville Voutilainen  <ville.voutilainen@gmail.com>

        Reduce the size of variant, it doesn't need an index of
        type size_t internally.
        * include/std/variant (parse_numbers.h): New include.
        (__select_index): New.
        (_Variant_storage<false, _Types...>::_M_reset_impl): Use
        _index_type for comparison with variant_npos.
        (_Variant_storage<false, _Types...>::__index_type): New.
        (_Variant_storage<false, _Types...>::_M_index): Change the
        type from size_t to __index_type.
        (_Variant_storage<true, _Types...>::__index_type): New.
        (_Variant_storage<true, _Types...>::_M_index): Change the
        type from size_t to __index_type.
        (_Variant_base::_M_valid): Use _Storage::__index_type
        for comparison with variant_npos.
        (variant::index): Use _Base::_Storage::__index_type
        for comparison with variant_npos.
        * testsuite/20_util/variant/index_type.cc: New.

2017-01-10  Jonathan Wakely  <jwakely@redhat.com>

        * testsuite/18_support/exception_ptr/60612-unexpected.cc: Adjust
        effective target selector to prevent running in C++17 mode.

        PR libstdc++/77528
        * include/bits/stl_queue.h (queue::c): Add default member initializer.
        (queue::queue()): Add constructor and define as defaulted.
        (queue::queue(_Sequence&&)): Remove default argument.
        (priority_queue::c, priority_queue::comp): Add default member
        initializers.
        (priority_queue::priority_queue()): Add constructor and define as
        defaulted.
        (priority_queue::priority_queue(const _Compare&, _Sequence&&)):
        Remove default argument for first parameter.
        * include/bits/stl_stack.h (stack::c): Add default member initializer.
        (stack::stack()): Add constructor and define as defaulted.
        (stack::stack(const _Sequence&)): Remove default argument.
        * testsuite/23_containers/priority_queue/requirements/
        explicit_instantiation/1.cc: Test explicit instantiation with
        non-DefaultConstructible sequence.
        * testsuite/23_containers/priority_queue/77528.cc: New test.
        * testsuite/23_containers/priority_queue/requirements/
        explicit_instantiation/1_c++0x.cc: Replace with 1_c++98.cc.
        * testsuite/23_containers/queue/77528.cc: New test.
        * testsuite/23_containers/queue/requirements/explicit_instantiation/
        1.cc: Test explicit instantiation with non-DefaultConstructible
        sequence.
        * testsuite/23_containers/queue/requirements/explicit_instantiation/
        1_c++0x.cc: Replace with 1_c++98.cc.
        * testsuite/23_containers/stack/77528.cc: New test.
        * testsuite/23_containers/stack/requirements/explicit_instantiation/
        1.cc: Test explicit instantiation with non-DefaultConstructible
        sequence.
        * testsuite/23_containers/stack/requirements/explicit_instantiation/
        1_c++0x.cc: Replace with 1_c++98.cc.

2017-01-10  Felipe Magno de Almeida <felipe@expertisesolutions.com.br>

        * include/bits/locale_facets_nonio.tcc
        (time_get::_M_extract_via_format): Avoid compilation errors with
        non-standard struct tm.

2017-01-10  François Dumont  <fdumont@gcc.gnu.org>
            Jonathan Wakely  <jwakely@redhat.com>

        * python/libstdcxx/v6/printers.py (_versioned_namespace): Define.
        (is_specialization, strip_versioned_namespace): New helpers functions
        to work with symbols in the versioned namespace.
        (Printer.add_version): Add second name using versioned namespace.
        (add_one_template_type_printer, add_one_type_printer): Add second
        type printers using versioned namespace.
        (register_type_printers): Add template type printer for basic_string.
        (build_libstdcxx_dictionary): Remove dead code.
        * python/libstdcxx/v6/xmethods.py: Make all matchers look for
        versioned namespace.
        * testsuite/libstdc++-prettyprinters/48362.cc: Adjust expected
        results.
        * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.

2017-01-09  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/79017
        * acinclude.m4 (GLIBCXX_CHECK_C99_TR1): Check for llrint and llround
        functions separately on darwin and if they're missing define
        _GLIBCXX_NO_C99_ROUNDING_FUNCS.
        * config.h.in: Regenerate.
        * configure: Regenerate.
        * include/c_global/cmath [_GLIBCXX_NO_C99_ROUNDING_FUNCS] (llrint)
        (llrintf, llrintl, llround, llroundf, llroundl): Do not define.

        * testsuite/30_threads/condition_variable/members/3.cc: Use new macro
        to detect correct thread_local destructors.
        * testsuite/util/testsuite_hooks.h (CORRECT_THREAD_LOCAL_DTORS):
        Define.

2017-01-09  Jonathan Wakely  <jwakely@redhat.com>
            Aditya Kumar  <hiraditya@msn.com>

        PR libstdc++/66414
        * include/bits/basic_string.tcc
        (basic_string::find(const CharT*, size_type, size_type)): Optimize.

2017-01-06  Jonathan Wakely  <jwakely@redhat.com>

        * testsuite/21_strings/basic_string/operations/find/char/6.cc: New.
        * testsuite/21_strings/basic_string/operations/find/wchar_t/6.cc: New.

        * testsuite/util/performance/priority_queue/mem_usage/pop_test.hpp:
        Include <cassert> header.

        PR libstdc++/78968
        * crossconfig.m4: Check for __cxa_thread_atexit on *-*-freebsd*.
        * configure: Regenerate.

2017-01-06  Barrett Adair  <barrettellisadair@gmail.com>
            Jonathan Wakely  <jwakely@redhat.com>

        * include/std/variant (variant, swap): Replace __and_ usage with fold
        expressions.

2017-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR go/78978
        * acinclude.m4 (GLIBCXX_CHECK_ASSEMBLER_HWCAP): Remove.
        * configure.ac: Call GCC_CHECK_ASSEMBLER_HWCAP instead of
        GLIBCXX_CHECK_ASSEMBLER_HWCAP.
        * fragment.am (CONFIG_CXXFLAGS): Use HWCAP_CFLAGS instead of
        HWCAP_FLAGS.
        * aclocal.m4: Regenerate.
        * configure: Regenerate.
        * Makefile.in, doc/Makefile.in, include/Makefile.in,
        libsupc++/Makefile.in, po/Makefile.in, python/Makefile.in,
        src/Makefile.in, src/c++11/Makefile.in, src/c++98/Makefile.in,
        src/filesystem/Makefile.in, testsuite/Makefile.in: Regenerate.

2017-01-06  Jonathan Wakely  <jwakely@redhat.com>

        * include/bits/c++config (_GLIBCXX_ASSERTIONS): Avoid redefinition.

        PR libstdc++/78991
        * include/bits/predefined_ops.h (_Iter_comp_iter, _Iter_comp_val)
        (_Val_comp_iter, _Iter_equals_val, _Iter_pred, _Iter_comp_to_val)
        (_Iter_comp_to_iter, _Iter_negate): Make constructors explicit and
        move function objects.
        (__iter_comp_iter, __iter_comp_val, __val_comp_iter, __pred_iter)
        (__iter_comp_val, __iter_comp_iter, __negate): Move function objects.
        * testsuite/25_algorithms/sort/78991.cc: New test.

2017-01-05  Jonathan Wakely  <jwakely@redhat.com>

        * include/bits/std_function.h (function::_Signature_type): Remove.
        (function::function(_Functor)): Adjust.

2017-01-05  Tim Shen  <timshen@google.com>

        PR libstdc++/78996
        * include/std/variant (__gen_vtable_impl): rename __unused to
        __dimensions to avoid naming conflict.

2017-01-04  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/78968
        * config.h.in: Regenerate.
        * configure: Likewise.
        * configure.ac: Check for __cxa_thread_atexit.
        * libsupc++/atexit_thread.cc [_GLIBCXX_HAVE___CXA_THREAD_ATEXIT]:
        Don't define __cxa_thread_atexit if libc provides it.

2017-01-04  Ville Voutilainen  <ville.voutilainen@gmail.com>

        Implement 2801, Default-constructibility of unique_ptr.
        * include/bits/unique_ptr.h (__uniq_ptr_impl::_DeleterConstraint): New.
        (unique_ptr::_DeleterConstraint): Likewise.
        (unique_ptr()): Constrain.
        (unique_ptr(pointer)): Likewise.
        (unique_ptr(nullptr_t)): Likewise.
        (unique_ptr<_Tp[], _Dp>::_DeleterConstraint): New.
        (unique_ptr<_Tp[], _Dp>::unique_ptr()): Constrain.
        (unique_ptr<_Tp[], _Dp>::unique_ptr(_Up)): Likewise.
        (unique_ptr<_Tp[], _Dp>::unique_ptr(nullptr_t)): Likewise.
        * testsuite/20_util/unique_ptr/assign/48635_neg.cc: Adjust.
        * testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc: Likewise.
        * testsuite/20_util/unique_ptr/cons/default.cc: New.
        * testsuite/20_util/unique_ptr/cons/ptr_deleter_neg.cc: Adjust.

2017-01-04  Pauli Nieminen  <suokkos@gmail.com>
            Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/64735
        * acinclude.m4 (GLIBCXX_CHECK_EXCEPTION_PTR_SYMVER): Define.
        * config.h.in: Regenerate.
        * config/abi/pre/gnu.ver [HAVE_EXCEPTION_PTR_SINCE_GCC46]
        (GLIBCXX_3.4.15, GLIBCXX_3.4.21, CXXABI_1.3.3, CXXABI_1.3.5): Make
        exports for exception_ptr, nested_exception, and future conditional.
        [HAVE_EXCEPTION_PTR_SINCE_GCC46] (GLIBCXX_3.4.23, CXXABI_1.3.11): Add
        exports for exception_ptr, nested_exception, and future conditional.
        * configure: Regenerate.
        * configure.ac: Use GLIBCXX_CHECK_EXCEPTION_PTR_SYMVER.
        * include/std/future: Remove check for ATOMIC_INT_LOCK_FREE
        * libsupc++/eh_atomics.h: New file for internal use only.
        (__eh_atomic_inc, __eh_atomic_dec): New.
        * libsupc++/eh_ptr.cc (exception_ptr::_M_addref)
        (exception_ptr::_M_release) (__gxx_dependent_exception_cleanup)
        (rethrow_exception): Use eh_atomics.h reference counting helpers.
        * libsupc++/eh_throw.cc (__gxx_exception_cleanup): Likewise.
        * libsupc++/eh_tm.cc (free_any_cxa_exception): Likewise.
        * libsupc++/exception: Remove check for ATOMIC_INT_LOCK_FREE.
        * libsupc++/exception_ptr.h: Likewise.
        * libsupc++/guard.cc: Include header for ATOMIC_INT_LOCK_FREE macro.
        * libsupc++/nested_exception.cc: Remove check for
        ATOMIC_INT_LOCK_FREE.
        * libsupc++/nested_exception.h: Likewise.
        * src/c++11/future.cc: Likewise.
        * testsuite/18_support/exception_ptr/*: Remove atomic builtins checks.
        * testsuite/18_support/nested_exception/*: Likewise.
        * testsuite/30_threads/async/*: Likewise.
        * testsuite/30_threads/future/*: Likewise.
        * testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
        * testsuite/30_threads/packaged_task/*: Likewise.
        * testsuite/30_threads/promise/*: Likewise.
        * testsuite/30_threads/shared_future/*: Likewise.

2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/xml/manual/documentation_hacking.xml: sourceforge.net now
        defaults to https; adjust reference.

2017-01-03  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/78956
        * include/std/thread (thread(const thread&&)): Add deleted
        constructor.
        * testsuite/30_threads/thread/cons/lwg2097.cc: New test.

        * doc/xml/manual/spine.xml: Update copyright years.
        * doc/xml/manual/build_hacking.xml: Fix spelling of libbuilddir.
        * doc/xml/manual/test.xml: Likewise.
        * doc/html/*: Regenerate.

2017-01-01  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/xml/faq.xml: Update address of C++ ABI link.
        * doc/xml/manual/abi.xml: Ditto.

2017-01-01  Jakub Jelinek  <jakub@redhat.com>

        Update copyright years.
\f
Copyright (C) 2017 Free Software Foundation, Inc.

Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.