PR c++/85864 - literal template and default template arg.
[official-gcc.git] / gcc / cp / ChangeLog
blobc8832a168f9746c4ebd56cf474882febc3bd43d4
1 2018-05-24  Jason Merrill  <jason@redhat.com>
3         PR c++/85864 - literal template and default template arg.
4         * pt.c (instantiation_dependent_r): Handle NONTYPE_ARGUMENT_PACK.
6 2018-05-24  Marek Polacek  <polacek@redhat.com>
8         PR c++/85847
9         * init.c (build_new_1): Use fold_non_dependent_expr.  Use a dedicated
10         variable for its result.  Fix a condition.
11         (build_new): Use fold_non_dependent_expr.  Tweak a condition.
13 2018-05-23  Jason Merrill  <jason@redhat.com>
15         Fix cast to rvalue reference from prvalue.
16         * cvt.c (diagnose_ref_binding): Handle rvalue reference.
17         * rtti.c (build_dynamic_cast_1): Don't try to build a reference to
18         non-class type.  Handle xvalue argument.
19         * typeck.c (build_reinterpret_cast_1): Allow cast from prvalue to
20         rvalue reference.
21         * semantics.c (finish_compound_literal): Do direct-initialization,
22         not cast, to initialize a reference.
24         CWG 616, 1213 - value category of subobject references.
25         * tree.c (lvalue_kind): A reference to a subobject of a prvalue is
26         an xvalue.
27         * typeck2.c (build_m_component_ref): Likewise.
28         * typeck.c (cp_build_addr_expr_1, lvalue_or_else): Remove diagnostic
29         distinction between temporary and xvalue.
31 2018-05-23  Marek Polacek  <polacek@redhat.com>
33         Implement P0614R1, Range-based for statements with initializer.
34         * parser.c (cp_parser_range_based_for_with_init_p): New.
35         (cp_parser_init_statement): Use it.  Parse the optional init-statement
36         for a range-based for loop.
37         (cp_parser_skip_to_closing_parenthesis_1): Handle balancing ?:.
39 2018-05-22  Jason Merrill  <jason@redhat.com>
41         PR c++/81420 - not extending temporary lifetime.
42         * call.c (extend_ref_init_temps_1): Handle ARRAY_REF.
43         * class.c (build_base_path): Avoid redundant move of an rvalue.
45         PR c++/85866 - error with .* in default template arg.
46         * pt.c (tsubst_copy_and_build): Handle partial instantiation.
48 2018-05-21  Paolo Carlini  <paolo.carlini@oracle.com>
50         * parser.c (cp_parser_parameter_declaration_list): Remove
51         bool* parameter.
52         (cp_parser_parameter_declaration_clause): Adjust.
53         (cp_parser_cache_defarg): Likewise.
55 2018-05-21  Paolo Carlini  <paolo.carlini@oracle.com>
57         PR c++/84588
58         * parser.c (cp_parser_maybe_commit_to_declaration,
59         cp_parser_check_condition_declarator): New.
60         (cp_parser_simple_declaration): Use the first above.
61         (cp_parser_condition): Use both the above; enforce
62         [stmt.stmt]/2 about the declarator not specifying
63         a function or an array; improve error-recovery.
65 2018-05-20  Jason Merrill  <jason@redhat.com>
67         PR libstdc++/85843 - warning in logic_error copy constructor.
68         * class.c (type_has_user_nondefault_constructor): Check for a
69         user-provided ctor, not user-declared.
71 2018-05-19  Jason Merrill  <jason@redhat.com>
73         * pt.c (tsubst_pack_expansion): Sorry rather than abort
74         on __integer_pack as subexpression of pattern.
76 2018-05-18  Jason Merrill  <jason@redhat.com>
78         PR c++/58407 - deprecated implicit copy ops.
79         * call.c (build_over_call): Warn about deprecated trivial fns.
80         * class.c (classtype_has_user_copy_or_dtor): New.
81         (type_build_ctor_call): Check TREE_DEPRECATED.
82         (type_build_dtor_call): Likewise.
83         * decl2.c (cp_warn_deprecated_use): Move from tree.c.
84         Add checks.  Return bool.  Handle -Wdeprecated-copy.
85         (mark_used): Use it.
86         * decl.c (grokdeclarator): Remove redundant checks.
87         * typeck2.c (build_functional_cast): Likewise.
88         * method.c (lazily_declare_fn): Mark deprecated copy ops.
89         * init.c (build_aggr_init): Only set TREE_USED if there are
90         side-effects.
92 2018-05-18  Cesar Philippidis  <cesar@codesourcery.com>
94         PR c++/85782
95         * cp-gimplify.c (cp_genericize_r): Call genericize_omp_for_stmt for
96         OACC_LOOPs.
98 2018-05-18  Richard Sandiford  <richard.sandiford@linaro.org>
100         * constexpr.c (cxx_eval_constant_expression): Remove FMA_EXPR handling.
101         (potential_constant_expression_1): Likewise.
103 2018-05-16  Marek Polacek  <polacek@redhat.com>
105         PR c++/85363
106         * call.c (set_flags_from_callee): Handle AGGR_INIT_EXPRs too.
107         * tree.c (bot_manip): Call set_flags_from_callee for
108         AGGR_INIT_EXPRs too.
110 2018-05-15  Jason Merrill  <jason@redhat.com>
112         * cp-tree.h (cp_expr): Remove copy constructor.
113         * mangle.c (struct releasing_vec): Declare copy constructor.
115         * constexpr.c (cxx_eval_vec_init_1): Pass tf_none if ctx->quiet.
117         PR c++/64372 - CWG 1560, gratuitous lvalue-rvalue conversion in ?:
118         * call.c (build_conditional_expr_1): Don't force_rvalue when one arm
119         is a throw-expression.
121 2018-05-15  Paolo Carlini  <paolo.carlini@oracle.com>
123         * cp-tree.h (DECL_MAYBE_IN_CHARGE_CDTOR_P): New.
124         (FOR_EACH_CLONE): Update.
125         * decl.c (grokdeclarator): Use it.
126         * decl2.c (vague_linkage_p): Likewise.
127         * mangle.c (mangle_decl): Likewise.
128         * method.c (lazily_declare_fn): Likewise.
129         * optimize.c (can_alias_cdtor, maybe_clone_body): Likewise.
130         * repo.c (repo_emit_p): Likewise.
131         * tree.c (decl_linkage): Likewise.
133 2018-05-14  Jason Merrill  <jason@redhat.com>
135         Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
136         * tree.c (build_cp_fntype_variant): New.
137         (build_ref_qualified_type, build_exception_variant)
138         (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
139         (cxx_type_hash_eq, cp_check_qualified_type): Check
140         TYPE_HAS_LATE_RETURN_TYPE.
141         (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
142         (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
143         * class.c (build_clone): Use cxx_copy_lang_qualifiers.
144         (adjust_clone_args): Likewise.
145         * decl.c (grokfndecl): Add late_return_type_p parameter.  Use
146         build_cp_fntype_variant.
147         (grokdeclarator): Pass late_return_type_p to grokfndecl.
148         (check_function_type): Use cxx_copy_lang_qualifiers.
149         (static_fn_type): Use cxx_copy_lang_qualifiers.
150         * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
151         (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
152         (change_return_type): Use cxx_copy_lang_qualifiers.
153         * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
154         * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
155         return type on the declarator like a normal trailing return type.
156         * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
157         (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
158         * typeck.c (merge_types): Use build_cp_fntype_variant.
160 2018-05-14  Paolo Carlini  <paolo.carlini@oracle.com>
162         * cp-tree.h (TYPE_REF_P): New.
163         (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
164         * call.c (build_list_conv, build_aggr_conv, standard_conversion,
165         direct_reference_binding, reference_binding, implicit_conversion,
166         add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
167         build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
168         build_over_call, perform_implicit_conversion_flags,
169         extend_ref_init_temps, type_has_extended_temps): Use it.
170         * class.c (one_inheriting_sig, check_field_decls,
171         check_bases_and_members, find_flexarrays, finish_struct,
172         fixed_type_or_null): Likewise.
173         * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
174         non_const_var_error, cxx_eval_constant_expression,
175         potential_constant_expression_1): Likewise.
176         * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
177         cp_genericize_r, cxx_omp_privatize_by_reference,
178         cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
179         cp_fold_maybe_rvalue): Likewise.
180         * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
181         * cvt.c (build_up_reference, convert_to_reference,
182         convert_from_reference, convert_to_void, noexcept_conv_p,
183         fnptr_conv_p): Likewise.
184         * decl.c (poplevel, check_for_uninitialized_const_var,
185         check_initializer, initialize_local_var, cp_finish_decl,
186         get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
187         move_signature_fn_p, grok_op_properties, finish_function): Likewise.
188         * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
189         decl_maybe_constant_var_p): Likewise.
190         * error.c (dump_type_prefix, dump_expr): Likewise.
191         * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
192         is_admissible_throw_operand_or_catch_parameter): Likewise.
193         * expr.c (mark_use): Likewise.
194         * init.c (build_zero_init_1, build_value_init_noctor,
195         perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
196         build_new, build_delete): Likewise.
197         * lambda.c (build_lambda_object): Likewise.
198         * mangle.c (write_expression, write_template_arg): Likewise.
199         * method.c (forward_parm, do_build_copy_constructor,
200         do_build_copy_assign, build_stub_object, constructible_expr,
201         walk_field_subobs): Likewise.
202         * parser.c (cp_parser_omp_for_loop_init,
203         cp_parser_omp_declare_reduction_exprs,
204         cp_parser_omp_declare_reduction): Likewise.
205         * pt.c (convert_nontype_argument_function, convert_nontype_argument,
206         convert_template_argument, tsubst_pack_expansion,
207         tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
208         maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
209         more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
210         value_dependent_expression_p, build_deduction_guide): Likewise.
211         * semantics.c (finish_handler_parms, finish_non_static_data_member,
212         finish_compound_literal, omp_privatize_field,
213         handle_omp_array_sections_1, handle_omp_array_sections,
214         cp_check_omp_declare_reduction, finish_omp_reduction_clause,
215         finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
216         finish_omp_clauses, finish_decltype_type, capture_decltype,
217         finish_builtin_launder): Likewise.
218         * tree.c (lvalue_kind, cp_build_reference_type, move,
219         cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
220         * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
221         cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
222         cp_build_addr_expr_1, maybe_warn_about_useless_cast,
223         build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
224         build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
225         convert_for_initialization,
226         maybe_warn_about_returning_address_of_local, check_return_expr,
227         cp_type_quals, casts_away_constness, non_reference): Likewise.
228         * typeck2.c (cxx_readonly_error, store_init_value,
229         process_init_constructor_record, build_x_arrow, build_functional_cast,
230         add_exception_specifier): Likewise.
232 2018-05-14  Jason Merrill  <jason@redhat.com>
234         * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
235         (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
237 2018-05-11  Jakub Jelinek  <jakub@redhat.com>
239         PR c/85696
240         * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
241         * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
242         cxx_omp_predetermined_sharing_1.  Rename old function to ...
243         (cxx_omp_predetermined_sharing_1): ... this.
244         * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
245         instead of cxx_omp_predetermined_sharing.
247 2018-05-10  Jason Merrill  <jason@redhat.com>
249         * decl.c (cp_finish_decl): Don't instantiate auto variable.
250         (check_static_variable_definition): Allow auto.
251         * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
253         * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
254         (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
256         Core issue 2310 - conversion to base of incomplete type.
257         * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
259         CWG 2267 - list-initialization of reference temporary
260         * call.c (reference_binding): List-initializing a reference
261         temporary is copy-list-initialization.
263         * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
265         * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
266         instantiation in template context.
268         * class.c (vbase_has_user_provided_move_assign): Use
269         user_provided_p.
271         * lambda.c (lambda_expr_this_capture): Improve logic.
273         * decl.c (make_typename_type): s/parameters/arguments/.
274         * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
275         * pt.c (make_pack_expansion): Correct error message.
277 2018-05-10  Jakub Jelinek  <jakub@redhat.com>
279         PR c++/85662
280         * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
281         fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
282         fold_convert.
284 2018-05-10  Eric Botcazou  <ebotcazou@adacore.com>
286         PR c++/85400
287         * decl2.c (adjust_var_decl_tls_model): New static function.
288         (comdat_linkage): Call it on a variable.
289         (maybe_make_one_only): Likewise.
291 2018-05-09  Paolo Carlini  <paolo.carlini@oracle.com>
293         PR c++/85713
294         Revert:
295         2018-05-08  Paolo Carlini  <paolo.carlini@oracle.com>
297         PR c++/84588
298         * parser.c (cp_parser_parameter_declaration_list): When the
299         entire parameter-declaration-list is erroneous maybe call
300         abort_fully_implicit_template.
302 2018-05-08  Jason Merrill  <jason@redhat.com>
304         PR c++/85706 - class deduction under decltype
305         * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE.  Clear
306         *walk_subtrees whether or not we walked into the operand.
307         (type_uses_auto): Only look at deduced contexts.
309 2018-05-08  Paolo Carlini  <paolo.carlini@oracle.com>
311         PR c++/84588
312         * parser.c (cp_parser_parameter_declaration_list): When the
313         entire parameter-declaration-list is erroneous maybe call
314         abort_fully_implicit_template.
316 2018-05-08  Marek Polacek  <polacek@redhat.com>
318         PR c++/85695
319         * semantics.c (finish_if_stmt_cond): See through typedefs.
321 2018-05-07  Jason Merrill  <jason@redhat.com>
323         PR c++/85646 - lambda visibility.
324         * decl2.c (determine_visibility): Don't mess with template arguments
325         from the containing scope.
326         (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
327         thunk.
329 2018-05-07  Nathan Sidwell  <nathan@acm.org>
331         Remove fno-for-scope
332         * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
333         (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
334         (SET_DECL_SHADOWED_FOR_VAR): Delete.
335         (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
336         (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
337         Don't declare.
338         * name-lookup.h (struct cp_binding_level): Remove
339         dead_vars_from_for field.
340         * cp-lang.c (cp_init_ts): Delete.
341         (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
342         * cp-objcp-common.c (shadowed_var_for_decl): Delete.
343         (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
344         (init_shadowed_var_for_decl): Delete.
345         * decl.c (poplevel): Remove shadowed for var handling.
346         (cxx_init_decl_processing): Remove -ffor-scope deprecation.
347         * name-lookup.c (find_local_binding): Remove shadowed for var
348         handling.
349         (check_local_shadow): Likewise.
350         (check_for_out_of_scope_variable): Delete.
351         * parser.c (cp_parser_primary_expression): Remove shadowed for var
352         handling.
353         * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
354         * semantics.c (begin_for_scope): Always have a scope.
355         (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
356         (begin_range_for_stmt, finish_id_expression): Likewise.
358 2018-05-07  Jason Merrill  <jason@redhat.com>
360         PR c++/85618 - ICE with initialized VLA.
361         * tree.c (vla_type_p): New.
362         * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
363         rather than array_of_runtime_bound_p.
365 2018-05-05  Paolo Carlini  <paolo.carlini@oracle.com>
367         * cvt.c (ocp_convert): Early handle the special case of a
368         null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
370 2018-05-03  Jason Merrill  <jason@redhat.com>
372         PR c++/85600 - virtual delete failure.
373         * init.c (build_delete): Always save_expr when deleting.
375 2018-05-03  Nathan Sidwell  <nathan@acm.org>
377         * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
378         * name-lookup.c (do_pushdecl): Likewise.
380 2018-05-02  Paolo Carlini  <paolo.carlini@oracle.com>
381             Jason Merrill  <jason@redhat.com>
383         PR c++/68374
384         * name-lookup.c (check_local_shadow): Don't handle static old
385         declarations in the block handling locals shadowing locals.
387 2018-05-01  Jason Merrill  <jason@redhat.com>
389         PR c++/85587 - error with scoped enum in template.
390         * semantics.c (finish_qualified_id_expr): Don't return an
391         unqualified IDENTIFIER_NODE.
393 2018-04-30  Jason Merrill  <jason@redhat.com>
395         PR c++/85580 - extern "C" and local variables
396         * name-lookup.c (check_extern_c_conflict): Ignore local decls.
398         PR c++/84701 - unsigned typeof.
399         * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
400         of long/short/signed/unsigned.
402         PR c++/85305 - pack in lambda init-capture.
403         * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
404         check_for_bare_parameter_packs in a subexpression.
405         (cp_parser_lambda_introducer): Use it.
407         PR c++/61982 - dead stores to destroyed objects.
408         * call.c (build_trivial_dtor_call): New, assigns a clobber.
409         (build_over_call, build_special_member_call): Use it.
410         * cp-tree.h: Declare it.
411         * init.c (build_delete): Remove trivial path.
413         * init.c (build_dtor_call): Use build_special_member_call.
414         (build_delete): Remove redundant uses of save_addr.
416         * decl.c (build_clobber_this): Use build_clobber.
418 2018-04-27  Jakub Jelinek  <jakub@redhat.com>
420         PR c++/85553
421         * init.c (build_zero_init_1): For zero initialization of
422         NULLPTR_TYPE_P type use build_int_cst directly.
424 2018-04-27  David Malcolm  <dmalcolm@redhat.com>
426         PR c++/85515
427         * name-lookup.c (consider_binding_level): Skip compiler-generated
428         variables.
429         * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
430         nested if statements into a series of rejection tests.  Reject
431         lambda-ignored entities as suggestions.
433 2018-04-27  Jason Merrill  <jason@redhat.com>
435         * cvt.c (cp_fold_convert): Use convert_ptrmem.
436         * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
438 2018-04-27  Paolo Carlini  <paolo.carlini@oracle.com>
440         PR c++/84691
441         * decl.c (grokdeclarator): Clear friendp upon definition in local
442         class definition error.
444 2018-04-27  Jason Merrill  <jason@redhat.com>
446         PR c++/85545 - ICE with noexcept PMF conversion.
447         * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
448         build_ptrmemfunc.
449         * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
450         adjustment.
451         (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
453 2018-04-27  Nathan Sidwell  <nathan@acm.org>
455         * typeck.c (convert_ptrmem): Move local var decls to initialization.
457         * cp-tree.h (TEMPLATE_INFO): Fix comments.
458         (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
459         (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
460         (dump, print_other_binding_stacks): Remove declarations.
461         * name-lookup.c (print_other_binding_stack): Make static.
462         * pt.c (build_template_decl): Make static.
464 2018-04-26  Jason Merrill  <jason@redhat.com>
466         PR c++/85545 - ICE with noexcept PMF conversion.
467         * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
469 2018-04-25  Nathan Sidwell  <nathan@acm.org>
471         PR c++/85437
472         PR c++/49171
473         * cp-tree.h (REINTERPRET_CAST_P): New.
474         * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
475         Reject REINTERPET_CAST_P conversions.  Use cplus_expand_constant
476         for non-trivial PTRMEM_CST cases.
477         * typeck.c (build_nop_reinterpret): New.
478         (build_reinterpret_cast_1): Use it.  Set REINTERPRET_CAST_P on
479         NOP_EXPRs returned by cp_convert.
481 2018-04-23  Jason Merrill  <jason@redhat.com>
483         PR c++/69560 - wrong alignof(double) on x86.
484         CWG 1879 - Inadequate definition of alignment requirement.
485         * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
486         * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
487         (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
488         (cxx_alignof_expr): Pass it.
489         * parser.c (cp_parser_unary_expression): Pass it.
490         * pt.c (tsubst_copy): Copy it.
491         (tsubst_copy_and_build): Pass it.
492         * decl.c (fold_sizeof_expr): Pass it.
494 2018-04-23  Jakub Jelinek  <jakub@redhat.com>
495             Jason Merrill  <jason@redhat.com>
497         PR c++/85470 - wrong error with static data member.
498         * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
499         * typeck2.c (store_init_value): Likewise.
501 2018-04-20  Jakub Jelinek  <jakub@redhat.com>
503         PR c++/85462
504         * cp-tree.h (tinst_level): Remove in_system_header_p member,
505         change refcount member from unsigned char to unsigned short,
506         add refcount_infinity static data member, adjust comments.
507         * pt.c (tinst_level::refcount_infinity): Define.
508         (inc_refcount_use): Remove assert, don't increment if refcount
509         is already refcount_infinity, adjust comment.
510         (dec_refcount_use): Remove assert, don't decrement if refcount
511         is refcount_infinity, adjust comment.
512         (push_tinst_level_loc): Formatting fix.
514 2018-04-19  Paolo Carlini  <paolo.carlini@oracle.com>
516         PR c++/84611
517         * pt.c (lookup_template_class_1): Check pushtag return value for
518         error_mark_node.
520 2018-04-19  Alexandre Oliva  <aoliva@redhat.com>
522         PR c++/80290
523         * cp-tree.h (tinst_level::free): Fix whitespace.
525 2018-04-18  Paolo Carlini  <paolo.carlini@oracle.com>
527         PR c++/84630
528         * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
529         for error_mark_node.
531 2018-04-18  Jakub Jelinek  <jakub@redhat.com>
533         PR c++/84463
534         * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
535         tricks from here to ...
536         * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here.  Only use it
537         if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
539 2018-04-18  Alexandre Oliva <aoliva@redhat.com>
541         PR c++/80290
542         * cp-tree.h (struct tinst_level): Split decl into tldcl and
543         targs.  Add private split_list_p, tree_list_p, and not_list_p
544         inline const predicates; to_list private member function
545         declaration; free public member function declaration; list_p,
546         get_node and maybe_get_node accessors, and refcount data
547         member.  Narrow errors to unsigned short.
548         * error.c (print_instantiation_full_context): Use new
549         accessors.
550         (print_instantiation_partial_context_line): Likewise.  Drop
551         const from tinst_level-typed parameter.
552         * mangle.c (mangle_decl_string): Likewise.
553         * pt.c (freelist): New template class.
554         (tree_list_freelist_head): New var.
555         (tree_list_freelist): New fn, along with specializations.
556         (tinst_level_freelist_head): New var.
557         (pending_template_freelist_head): Likewise.
558         (tinst_level_freelist, pending_template_freelist): New fns.
559         (tinst_level::to_list, tinst_level::free): Define.
560         (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
561         (set_refcount_ptr): New template fn.
562         (add_pending_template): Adjust for refcounting, freelists and
563         new accessors.
564         (neglectable_inst_p): Take a NULL d as a non-DECL.
565         (limit_bad_template_recursion): Use new accessors.
566         (push_tinst_level): New overload to create the list.
567         (push_tinst_level_loc): Make it static, split decl into two
568         args, adjust tests and initialization to cope with split
569         lists, use freelist, adjust for refcounting.
570         (push_tinst_level_loc): New wrapper with the old interface.
571         (pop_tinst_level): Adjust for refcounting.
572         (record_last_problematic_instantiation): Likewise.
573         (reopen_tinst_level): Likewise.  Use new accessors.
574         (instantiate_alias_template): Adjust for split list.
575         (fn_type_unification): Likewise.
576         (get_partial_spec_bindings): Likewise.
577         (instantiate_pending_templates): Use new accessors.  Adjust
578         for refcount.  Release pending_template to freelist.
579         (instantiating_current_function_p): Use new accessors.
581 2018-04-16  Alexandre Oliva <aoliva@redhat.com>
583         PR c++/85039
584         * parser.c (cp_parser_builtin_offset): Reject type definitions.
585         * mangle.c (nested_anon_class_index): Avoid crash returning -1
586         if we've seen errors.
588 2018-04-12  David Malcolm  <dmalcolm@redhat.com>
590         PR c++/85385
591         * name-lookup.c (macro_use_before_def::maybe_make): New function,
592         checking that the use is indeed before the definition.
593         (macro_use_before_def::macro_use_before_def): Make private.
594         (macro_use_before_def::~macro_use_before_def): Make private.  Move
595         check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
596         (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
597         than using new directly.
599 2018-04-12  Jason Merrill  <jason@redhat.com>
601         PR c++/85356 - ICE with pointer to member function.
602         * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
603         flag_noexcept_type.  Build the new spec within the function context.
604         * except.c (build_noexcept_spec): Do get constant value in templates
605         if flag_noexcept_type.
606         * decl.c (check_redeclaration_exception_specification): Don't
607         instantiate noexcept on a dependent declaration.
609 2018-04-12  Marek Polacek  <polacek@redhat.com>
611         PR c++/85258
612         * constexpr.c (reduced_constant_expression_p): Return false for null
613         trees.
615 2018-04-11  Marek Polacek  <polacek@redhat.com>
617         PR c++/85032
618         * constexpr.c (potential_constant_expression_1): Consider conversions
619         from classes to literal types potentially constant.
621 2018-04-10  Paolo Carlini  <paolo.carlini@oracle.com>
623         PR c++/70808
624         * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
625         the type like TYPE_PTR_OR_PTRMEM_P.
627 2018-04-10  Jason Merrill  <jason@redhat.com>
629         PR debug/65821 - wrong location for main().
630         * call.c (clear_location_r, convert_default_arg): Revert.
631         * tree.c (break_out_target_exprs): Add clear_location parm.
632         (struct bot_data): New.
633         (bot_manip): Clear location if requested.
634         * init.c (get_nsdmi): Pass clear_location.
636 2018-04-10  David Malcolm  <dmalcolm@redhat.com>
638         PR c++/85110
639         * call.c (get_fndecl_argument_location): Make non-static.
640         * cp-tree.h (get_fndecl_argument_location): New decl.
641         * typeck.c (convert_for_assignment): When complaining due to
642         conversions for an argument, show the location of the parameter
643         within the decl.
645 2018-04-10  Jakub Jelinek  <jakub@redhat.com>
647         PR c++/85312 - P0962 cleanup
648         * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
649         diagnostics.
651 2018-04-10  Jason Merrill  <jason@redhat.com>
653         PR debug/65821 - wrong location for main().
654         * call.c (clear_location_r): New.
655         (convert_default_arg): Use it.
656         * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
658         PR c++/85285 - ICE with flexible array after substitution.
659         * pt.c (instantiate_class_template_1): Check for flexible array in
660         union.
662 2018-04-09  Paolo Carlini  <paolo.carlini@oracle.com>
664         PR c++/85227
665         * decl.c (cp_finish_decomp): In a template, if the type is incomplete
666         issue a pedwarn and defer trying to do bindings.
668 2018-04-09  Jason Merrill  <jason@redhat.com>
670         PR c++/85279 - dump_expr doesn't understand decltype.
671         * error.c (dump_expr): Handle DECLTYPE_TYPE.
673         PR c++/85262 - ICE with redundant qualification on constructor.
674         * call.c (build_new_method_call_1): Move make_args_non_dependent
675         after A::A() handling.
677         PR c++/85277 - ICE with invalid offsetof.
678         * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
679         Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
681         PR c++/85264 - ICE with excess template-parameter-list.
682         * parser.c (cp_parser_check_template_parameters): Add template_id_p
683         parameter.  Don't allow an extra template header if true.
684         (cp_parser_class_head): Pass template_id_p.
685         (cp_parser_elaborated_type_specifier): Likewise.
686         (cp_parser_alias_declaration): Likewise.
687         (cp_parser_check_declarator_template_parameters): Likewise.
689 2018-04-09  Jakub Jelinek  <jakub@redhat.com>
691         PR c++/85194
692         * parser.c (cp_parser_simple_declaration): For structured bindings,
693         if *maybe_range_for_decl is NULL after parsing it, set it to
694         error_mark_node.
696 2018-04-09  Jason Merrill  <jason@redhat.com>
698         PR c++/85256 - ICE capturing pointer to VLA.
699         * lambda.c (add_capture): Distinguish between variable-size and
700         variably-modified types.
702 2018-04-06  Jason Merrill  <jason@redhat.com>
704         PR c++/85214 - ICE with alias, generic lambda, constexpr if.
705         * pt.c (extract_locals_r): Remember local typedefs.
707 2018-04-06  David Malcolm  <dmalcolm@redhat.com>
709         PR c++/84269
710         * name-lookup.c (struct std_name_hint): Move out of
711         get_std_name_hint; add field "min_dialect".
712         (get_std_name_hint): Add min_dialect values to all initializers.
713         Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
714         <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
715         <shared_mutex>, <string_view>, <thread>, and <variant>.
716         Add fstream, ifstream, and ofstream to <fstream>.
717         Add istringstream, ostringstream, and stringstream to <sstream>.
718         Add basic_string to <string>.
719         Add tuple_element and tuple_size to <tuple>.
720         Add declval to <utility>.
721         Fix ordering of <queue> and <tuple>.
722         Return a std_name_hint, rather than a const char *.
723         (get_cxx_dialect_name): New function.
724         (maybe_suggest_missing_std_header): Detect names that aren't yet
725         available in the current dialect, and instead of suggesting a
726         missing #include, warn about the dialect.
728 2018-04-06  Jakub Jelinek  <jakub@redhat.com>
730         PR c++/85210
731         * pt.c (tsubst_decomp_names): Return error_mark_node and assert
732         errorcount is set if tsubst doesn't return a VAR_DECL.
734 2018-04-06  David Malcolm  <dmalcolm@redhat.com>
736         PR c++/85021
737         * name-lookup.c (using_directives_contain_std_p): New function.
738         (has_using_namespace_std_directive_p): New function.
739         (suggest_alternatives_for): Simplify if/else logic using early
740         returns.  If no candidates were found, and there's a
741         "using namespace std;" directive, call
742         maybe_suggest_missing_std_header.
743         (maybe_suggest_missing_header): Split later part of the function
744         into..
745         (maybe_suggest_missing_std_header): New.
747 2018-04-06  Jason Merrill  <jason@redhat.com>
749         PR c++/85242 - ICE with class definition in template parm.
750         * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
751         processing_template_parmlist.
753         PR c++/85240 - LTO ICE with using of undeduced auto fn.
754         * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
756 2018-04-05  Jakub Jelinek  <jakub@redhat.com>
758         PR c++/85209
759         * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
760         is not prev, if prev == decl.
762         PR c++/85208
763         * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
764         maybe_apply_pragma_weak here...
765         (cp_maybe_mangle_decomp): ... but call it here instead.
767 2018-04-05  Jason Merrill  <jason@redhat.com>
769         PR c++/85136 - ICE with designated init in template.
770         * decl.c (maybe_deduce_size_from_array_init): Handle dependent
771         designated initializer.
772         (check_array_designated_initializer): Update ce->index with the
773         constant value.
775         PR c++/83808 - ICE with VLA initialization.
776         * typeck2.c (process_init_constructor_array): Don't require a VLA
777         initializer to have VLA type.
779 2018-04-05  Paolo Carlini  <paolo.carlini@oracle.com>
781         PR c++/80956
782         * call.c (convert_like_real): Fail gracefully for a broken
783         std::initializer_list, missing a definition.
785         * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
787 2018-04-05  Paolo Carlini  <paolo.carlini@oracle.com>
789         PR c++/84792
790         * decl.c (grokdeclarator): Fix diagnostic about typedef name used
791         as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
793 2018-04-05  Jason Merrill  <jason@redhat.com>
795         PR c++/82152 - ICE with class deduction and inherited ctor.
796         * pt.c (do_class_deduction): Ignore inherited ctors.
798         PR c++/84665 - ICE with array of empty class.
799         * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
801         PR c++/85228 - ICE with lambda in enumerator in template.
802         * pt.c (bt_instantiate_type_proc): Don't assume
803         CLASSTYPE_TEMPLATE_INFO is non-null.
805 2018-04-05  Ville Voutilainen  <ville.voutilainen@gmail.com>
807         Implement P0969
808         * decl.c (find_decomp_class_base): Check accessibility instead
809         of declared access, adjust diagnostic.
811 2018-04-05  Ville Voutilainen  <ville.voutilainen@gmail.com>
813         Implement P0961
814         * decl.c (get_tuple_decomp_init): Check the templatedness
815         of a member get.
817 2018-04-05  Jason Merrill  <jason@redhat.com>
819         PR c++/85200 - ICE with constexpr if in generic lambda.
820         * pt.c (extract_locals_r): Don't record the local specs of variables
821         declared within the pattern.
823 2018-04-05  Alexandre Oliva <aoliva@redhat.com>
825         PR c++/84979
826         * pt.c (check_auto_in_tmpl_args): New.
827         (tsubst_qualified_id): Use it to reject template args
828         referencing auto for non-type templates.
829         * parser.c (cp_parser_template_id): Likewise.
830         * cp-tree.h (check_auto_in_tmpl_args): Declare.
831         * typeck2.c (build_functional_cast): Report correct location
832         for invalid use of auto.
834 2018-04-04  Jason Merrill  <jason@redhat.com>
836         PR c++/85215 - ICE with copy-init from conversion.
837         * call.c (merge_conversion_sequences): Fix type of direct binding
838         sequence.
840         PR c++/84938 - ICE with division by ~-1.
841         * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
843         PR c++/84936 - ICE with unexpanded pack in mem-initializer.
844         * parser.c (cp_parser_mem_initializer_list): Call
845         check_for_bare_parameter_packs.
847 2018-04-04  Jakub Jelinek  <jakub@redhat.com>
849         PR inline-asm/85172
850         * constexpr.c (cxx_eval_builtin_function_call): For calls to
851         builtin_valid_in_constant_expr_p functions, don't call
852         cxx_eval_constant_expression if argument is not
853         potential_constant_expression.
855         PR c++/85146
856         * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
857         argument.
858         * semantics.c (calculate_bases): Add complain argument.  Use
859         complete_type_or_maybe_complain instead of just complete_type and
860         return an empty vector if it fails.  Move make_tree_vector () call
861         after early return.  Formatting fixes.
862         (calculate_direct_bases): Likewise.  Call release_tree_vector at the
863         end.
864         (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
865         * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
866         calculate_direct_bases callers, formatting fixes.
868 2018-04-04  Jason Merrill  <jason@redhat.com>
870         PR c++/85006 - -fconcepts ICE with A<auto...> return type
871         * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
873         PR c++/85200 - ICE with constexpr if in generic lambda.
874         * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
876         PR c++/84221 - bogus -Wunused with attribute and template.
877         * decl2.c (is_late_template_attribute): Handle unused and used
878         normally on non-TYPE_DECL.
880         PR c++/85135 - ICE with omitted template arguments.
881         * decl.c (grokdeclarator): Catch deduced class type in trailing
882         return type.
884         PR c++/85133 - ICE with missing concept initializer.
885         * decl.c (cp_finish_decl): If a concept initializer is missing, use
886         true.
888         PR c++/85118 - wrong error with generic lambda and std::bind.
889         * call.c (add_template_conv_candidate): Disable if there are any
890         call operators.
892         PR c++/85141 - ICE with compound assignment and static member fn.
893         * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
894         compound assignment.
896         PR c++/85148 - ICE with 'this' in array NSDMI.
897         * tree.c (replace_placeholders_r): Use handled_component_p.
899 2018-04-04  Ville Voutilainen  <ville.voutilainen@gmail.com>
901         PR c++/65923
902         * decl.c (grokfndecl): Handle standard UDL diagnostics here..
903         * parser.c (cp_parser_unqualified_id): ..not here.
905 2018-04-04  Alexandre Oliva <aoliva@redhat.com>
907         PR c++/84943
908         * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
909         used.
910         * decl2.c (mark_used): Return without effects if tf_conv.
912 2018-04-03  Jason Merrill  <jason@redhat.com>
914         PR c++/85092 - C++17 ICE with unused list constructor.
915         * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
916         from a TARGET_EXPR.
918         PR c++/85113 - ICE with constexpr and __builtin_constant_p.
919         * constexpr.c (cxx_eval_builtin_function_call): Only defer
920         __builtin_constant_p if ctx->quiet.
922 2018-04-03  Paolo Carlini  <paolo.carlini@oracle.com>
924         PR c++/84768
925         * pt.c (rewrite_template_parm): If the first argument is
926         error_mark_node return it immediately.
927         (build_deduction_guide): Check the return value of the
928         latter for error_mark_node.
929         (do_class_deduction): Check the return value of the latter.
931 2018-04-03  Jason Merrill  <jason@redhat.com>
933         * semantics.c (finish_if_stmt_cond): Use
934         instantiation_dependent_expression_p.
936         PR c++/85149 - generic lambda and constexpr if.
937         * pt.c (build_extra_args, add_extra_args): Split from
938         tsubst_pack_expansion.
939         (tsubst_expr) [IF_STMT]: Use them.
940         * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
942         * typeck.c (merge_types): Limit matching attribute shortcut to
943         the default case.
945 2018-04-03  Jakub Jelinek  <jakub@redhat.com>
947         PR c++/85147
948         * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
950         PR c++/85140
951         * name-lookup.c (handle_namespace_attrs): Return early if attributes
952         is error_mark_node.
954         PR c++/85134
955         * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
956         fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
957         instead for static data members clear init and set DECL_EXTERNAL.
959 2018-04-02  Jason Merrill  <jason@redhat.com>
961         PR c++/64095 - auto... parameter pack.
962         * parser.c (cp_parser_parameter_declaration): Handle turning autos
963         into packs here.
964         (cp_parser_parameter_declaration_list): Not here.
966 2018-03-31  Alexandre Oliva <aoliva@redhat.com>
968         PR c++/85027
969         * class.c (instantiate_type): Peel off SAVE_EXPR before
970         BASELINK.
972 2018-03-30  Jason Merrill  <jason@redhat.com>
974         * typeck2.c (process_init_constructor_record): Use
975         init_list_type_node for the CONSTRUCTOR around an anonymous union
976         designated initializer.
978 2018-03-30  Jakub Jelinek  <jakub@redhat.com>
980         PR c++/84791
981         * semantics.c (finish_omp_reduction_clause): If
982         OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
983         even if processing_template_decl.
985 2018-03-29  David Malcolm  <dmalcolm@redhat.com>
987         PR c++/84269
988         * name-lookup.c (get_std_name_hint): Add names from <memory>,
989         <tuple>, and <utility>.
991 2018-03-29  Jason Merrill  <jason@redhat.com>
993         PR c++/85093 - too many template args with pack expansion.
994         * pt.c (coerce_template_parms): Keep pack expansion args that will
995         need to be empty.
997 2018-03-29  Jason Merrill  <jason@redhat.com>
999         * pt.c (build_non_dependent_expr): Propagate expr location.
1001 2018-03-27  Jason Merrill  <jason@redhat.com>
1003         PR c++/85060 - wrong-code with call to base member in template.
1004         * search.c (any_dependent_bases_p): Check uses_template_parms
1005         rather than processing_template_decl.
1007 2018-03-29  David Malcolm  <dmalcolm@redhat.com>
1009         PR c++/85110
1010         * typeck.c (convert_for_assignment): When complaining due to
1011         conversions for an argument, attempt to use the location of the
1012         argument.
1014 2018-03-28  Paolo Carlini  <paolo.carlini@oracle.com>
1016         PR c++/85028
1017         * pt.c (tsubst_default_argument): Early return if the type of the
1018         parameter is erroneous.
1020 2018-03-28  Alexandre Oliva <aoliva@redhat.com>
1022         PR c++/84973
1023         * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
1024         templates.
1026         PR c++/84968
1027         * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
1029 2018-03-27  Paolo Carlini  <paolo.carlini@oracle.com>
1031         PR c++/85067
1032         * method.c (defaulted_late_check): Partially revert r253321 changes,
1033         do not early return upon error.
1035 2018-03-27  Jakub Jelinek  <jakub@redhat.com>
1037         PR c++/85077
1038         * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
1039         type call fold to generate VECTOR_CSTs when possible.
1041         PR c++/85076
1042         * tree.c (cp_build_reference_type): If to_type is error_mark_node,
1043         return it right away.
1045 2018-03-27  Volker Reichelt  <v.reichelt@netcologne.de>
1047         * search.c (check_final_overrider): Use inform instead of error
1048         for the diagnostics of the overridden functions.  Tweak wording.
1050 2018-03-27  Jakub Jelinek  <jakub@redhat.com>
1052         PR c++/85068
1053         * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
1054         is NULL.  Assert if thunk_binfo is NULL then errorcount is non-zero.
1056 2018-03-27  Paolo Carlini  <paolo.carlini@oracle.com>
1057             Jason Merrill  <jason@redhat.com>
1059         PR c++/84632
1060         * init.c (build_aggr_init): When initializing from array,
1061         reject anything but CONSTRUCTORs and TARGET_EXPRs.
1062         (build_vec_init): Handle separately ARRAY_TYPEs.
1064 2018-03-26  Jason Merrill  <jason@redhat.com>
1066         PR c++/85062 - ICE with alignas in wrong place.
1067         * decl.c (grokdeclarator): Ignore attributes on type-specifiers
1068         here.
1070         PR c++/85049 - ICE with __integer_pack.
1071         * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
1072         * cp-tree.h (TEMPLATE_PARM_P): New.
1074 2018-03-23  Jason Merrill  <jason@redhat.com>
1076         PR c++/78489 - wrong SFINAE behavior.
1078         PR c++/84489
1079         * pt.c (type_unification_real): Don't defer substitution failure.
1081 2018-03-23  Jakub Jelinek  <jakub@redhat.com>
1083         PR c++/85015
1084         * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
1085         result.
1087         PR c++/84942
1088         * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
1089         cp_build_unary_op call with gcc_unreachable ().
1091 2018-03-23  Marek Polacek  <polacek@redhat.com>
1093         PR c++/85045
1094         * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
1095         Handle EXACT_DIV_EXPR and RDIV_EXPR.  Tweak condition.
1096         (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
1098 2018-03-23  Ville Voutilainen  <ville.voutilainen@gmail.com>
1100         Implement P0962
1101         * parser.c (cp_parser_perform_range_for_lookup): Change
1102         the condition for deciding whether to use members.
1104 2018-03-23  Marek Polacek  <polacek@redhat.com>
1106         PR c++/85033
1107         * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
1109 2018-03-23  Alexandre Oliva <aoliva@redhat.com>
1111         PR c++/71251
1112         * parser.c (cp_parser_alias_declaration): Call
1113         parser_check_template_parameters.
1115         PR c++/84789
1116         * pt.c (resolve_typename_type): Drop assert that stopped
1117         simplification to template-independent types.  Add assert to
1118         verify the initial scope is template dependent.
1119         * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
1120         Reparse the id expression as a type-name, not a declarator.
1122         PR c++/84729
1123         * init.c (build_vec_init): Error at parenthesized array init.
1125         PR c++/84610
1126         PR c++/84642
1127         PR c++/84942
1128         * cp-tree.h (temp_override): New template class, generalizing
1129         a cleanup that was only used...
1130         * parser.c (cp_parser_parameter_declaration_clause):
1131         ... here for auto_is_implicit_function_template_parm_p.
1132         (cp_parser_gnu_attributes_opt): Use it here as well.
1133         (cp_parser_std_attribute): Likewise.
1135 2018-03-22  Marek Polacek  <polacek@redhat.com>
1137         PR c++/84854
1138         * semantics.c (finish_if_stmt_cond): Check if the type of the condition
1139         is boolean.
1141 2018-03-21  Jason Merrill  <jason@redhat.com>
1143         PR c++/81311 - wrong C++17 overload resolution.
1144         * call.c (build_user_type_conversion_1): Remove C++17 code.
1145         (conv_binds_ref_to_prvalue): New.
1146         (build_over_call): Handle C++17 copy elision.
1147         (build_special_member_call): Only do C++17 copy elision here if the
1148         argument is already the right type.
1150 2018-03-21  Alexandre Oliva <aoliva@redhat.com>
1152         PR c++/71965
1153         * init.c (build_vec_init): Silence error, former sorry,
1154         without tf_error.
1156         PR c++/84610
1157         PR c++/84642
1158         * parser.c (abort_fully_implicit_template_p): New.
1159         (cp_parser_skip_to_end_of_statement): Use it.
1160         (cp_parser_skip_to_end_of_block_or_statement): Likewise.
1161         (finish_fully_implicit_template_p): Clear
1162         implicit_template_parms and implicit_template_scope.
1164 2018-03-21  Paolo Carlini  <paolo.carlini@oracle.com>
1166         PR c++/84972
1167         * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
1168         error_mark_node when check_array_designated_initializer fails.
1170 2018-03-21  Jakub Jelinek  <jakub@redhat.com>
1172         PR c++/84961
1173         * cp-tree.h (genericize_compound_lvalue): Declare.
1174         * typeck.c (genericize_compound_lvalue): New function.
1175         (unary_complex_lvalue, cp_build_modify_expr): Use it.
1176         * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
1177         and PREDECREMENT_EXPR in output and "m" constrained input operands with
1178         COMPOUND_EXPR.  Call cxx_mark_addressable on the rightmost
1179         COMPOUND_EXPR operand.
1181 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1183         PR c++/85008
1184         * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
1185         * decl2.c (vague_linkage_p): Likewise.
1187 2018-03-21  David Malcolm  <dmalcolm@redhat.com>
1189         PR c++/84994
1190         * constexpr.c (constexpr_fn_retval): Make non-"static".
1191         * cp-tree.h (constexpr_fn_retval): New decl.
1192         * search.c (direct_accessor_p): Update leading comment.
1193         (reference_accessor_p): Likewise.
1194         (field_accessor_p): Replace check that function body is a
1195         RETURN_EXPR with a call to constexpr_fn_retval.  Fix
1196         indentation of "field_type" decl.
1198 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1200         PR c++/84804
1201         * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
1202         complete classes.
1204 2018-03-21  Martin Sebor  <msebor@redhat.com>
1206         PR c++/84850
1207         * call.c (first_non_public_field): New template and function.
1208         (first_non_trivial_field): New function.
1209         (maybe_warn_class_memaccess): Call them.
1211 2018-03-21  David Malcolm  <dmalcolm@redhat.com>
1213         PR c++/84892
1214         * search.c (field_accessor_p): Use class_of_this_parm rather than
1215         type_of_this_parm, to check that "this" is a "const T *", rather
1216         than a "T *const".
1218 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1220         * class.c (finish_struct_anon_r): Refactor, deprecate anything
1221         other than public non-static data members.
1222         * parser.c (cp_parser_init_declarator): Deprecate attributes after
1223         parenthesized initializer.
1225         PR c++/84836
1226         * name-lookup.c (update_binding): Correct logic for local binding
1227         update.
1229 2018-03-21  Marek Polacek  <polacek@redhat.com>
1231         PR c++/71638, ICE with NSDMI and reference.
1232         * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1233         even when we replace an element.
1235 2018-03-20  Marek Polacek  <polacek@redhat.com>
1237         PR c++/84978, ICE with NRVO.
1238         * constexpr.c (cxx_eval_constant_expression): Handle the case when
1239         a RESULT_DECL isn't in the hash map.
1241 2018-03-20  Jason Merrill  <jason@redhat.com>
1243         PR c++/84978, ICE with NRVO.
1244         * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
1245         (cp_get_callee_fndecl_nofold): New.
1246         * cp-gimplify.c (cp_genericize_r): Use it instead.
1247         * call.c (check_self_delegation): Likewise.
1249 2018-03-20  Nathan Sidwell  <nathan@acm.org>
1251         PR c++/84962
1252         * name-lookup.c (pushdecl_class_level): Push anon-struct's
1253         member_vec, if there is one.
1255         PR c++/84970
1256         * cp-tree.h (lookup_list_keep): Declare.
1257         * tree.c (lookup_list_keep): New, broken out of ...
1258         (build_min): ... here.  Call it.
1259         * decl.c (cp_finish_decl): Call lookup_list_keep.
1261 2018-03-19  Jason Merrill  <jason@redhat.com>
1263         PR c++/84937 - ICE with class deduction and auto.
1264         * pt.c (rewrite_template_parm): Fix auto handling.
1266 2018-03-19  Marek Polacek  <polacek@redhat.com>
1268         PR c++/84925
1269         * pt.c (enclosing_instantiation_of): Check if fn is null.
1271         PR c++/84927
1272         * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1273         as we evaluate the elements.
1274         (cxx_eval_constant_expression): Verify constructor's flags
1275         unconditionally.
1277 2018-03-19  Jason Merrill  <jason@redhat.com>
1279         PR c++/71834 - template-id with too few arguments.
1280         * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
1282 2018-03-19  Nathan Sidwell  <nathan@acm.org>
1284         PR c++/84835
1285         * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
1286         * pt.c (build_template_decl): Propagate language linkage.
1288         PR c++/84812
1289         * name-lookup.c (set_local_extern_decl_linkage): Defend against
1290         ambiguous lookups.
1292 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1294         PR c/84910
1295         * parser.c (cp_parser_lambda_introducer): Remove trailing space from
1296         diagnostics.
1297         * method.c (synthesize_method): Likewise.
1298         * pt.c (convert_nontype_argument): Likewise.
1300 2018-03-16  Jason Merrill  <jason@redhat.com>
1302         PR c++/84720 - ICE with rvalue ref non-type argument.
1303         * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
1304         (convert_nontype_argument): Revert earlier change.
1306         PR c++/80227 - SFINAE and negative array size.
1307         * decl.c (compute_array_index_type): Use
1308         build_converted_constant_expr and valid_constant_size_p.
1310         PR c++/84906 - silent wrong code with ambiguous conversion.
1311         * call.c (build_user_type_conversion_1): Set need_temporary_p on
1312         ambiguous conversion.
1313         (convert_like_real): Check it.
1315         PR c++/83937 - wrong C++17 handling of init-list ctor argument.
1316         * call.c (build_special_member_call): Don't convert an init-list
1317         argument directly to the class type.
1319 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1321         PR c++/79937
1322         PR c++/82410
1323         * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
1324         (find_placeholder): Declare.
1325         * tree.c (struct replace_placeholders_t): Add exp member.
1326         (replace_placeholders_r): Don't walk into ctors with
1327         CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
1328         d->exp.  Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
1329         (replace_placeholders): Initialize data.exp.
1330         (find_placeholders_r, find_placeholders): New functions.
1331         * typeck2.c (process_init_constructor_record,
1332         process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
1333         if adding NSDMI on which find_placeholder returns true.
1334         * call.c (build_over_call): Don't call replace_placeholders here.
1335         * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
1336         TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
1337         TARGET_EXPR_INITIAL.
1338         (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
1339         ctor.
1341 2018-03-16  Jason Merrill  <jason@redhat.com>
1343         PR c++/83911 - ICE with multiversioned constructor.
1344         * cp-gimplify.c (cp_genericize_r): Replace versioned function with
1345         dispatchere here.
1346         * call.c (build_over_call): Not here.
1348 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1350         PR c++/84874
1351         * decl.c (reshape_init_class): Don't assert d->cur->index == field
1352         if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
1354 2018-03-15  Jakub Jelinek  <jakub@redhat.com>
1356         PR c++/84222
1357         * cp-tree.h (cp_warn_deprecated_use): Declare.
1358         * tree.c (cp_warn_deprecated_use): New function.
1359         * typeck2.c (build_functional_cast): Use it.
1360         * decl.c (grokparms): Likewise.
1361         (grokdeclarator): Likewise.  Temporarily push nested class scope
1362         around grokparms call for out of class member definitions.
1364 2018-03-14  Jason Merrill  <jason@redhat.com>
1366         PR c++/84820 - no error for invalid qualified-id.
1367         * parser.c (cp_parser_make_indirect_declarator): Don't wrap
1368         cp_error_declarator.
1370         PR c++/84801 - ICE with unexpanded pack in lambda.
1371         * pt.c (check_for_bare_parameter_packs): Don't return early for a
1372         lambda in non-template context.
1374         PR c++/81236 - auto variable and auto function
1375         * pt.c (tsubst_baselink): Update the type of the BASELINK after
1376         mark_used.
1378 2018-03-14  Jason Merrill  <jason@redhat.com>
1380         PR c++/83916 - ICE with template template parameters.
1381         * pt.c (convert_template_argument): Don't substitute into type of
1382         non-type parameter if we don't have enough arg levels.
1383         (unify): Likewise.
1385 2018-03-14  Marek Polacek  <polacek@redhat.com>
1387         PR c++/84596
1388         * semantics.c (finish_static_assert): Check
1389         instantiation_dependent_expression_p instead of
1390         {type,value}_dependent_expression_p.
1392 2018-03-13  Paolo Carlini  <paolo.carlini@oracle.com>
1393             Jason Merrill  <jason@redhat.com>
1395         PR c++/82336 - link error with list-init default argument.
1396         * decl.c (check_default_argument): Unshare an initializer list.
1398 2018-03-13  Jakub Jelinek  <jakub@redhat.com>
1400         PR c++/84843
1401         * decl.c (duplicate_decls): For redefinition of built-in, use error
1402         and return error_mark_node.  For redeclaration, return error_mark_node
1403         rather than olddecl if !flag_permissive.
1405 2018-03-13  Jason Merrill  <jason@redhat.com>
1407         PR c++/82565 - ICE with concepts and generic lambda.
1408         * pt.c (instantiate_decl): Clear fn_context for lambdas.
1410 2018-03-13  Jason Merrill  <jason@redhat.com>
1412         PR c++/84720 - ICE with rvalue ref non-type argument.
1413         * pt.c (convert_nontype_argument): Handle rvalue references.
1415         PR c++/84839 - ICE with decltype of parameter pack.
1416         * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
1417         instantiating dummy parms.
1419         * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
1420         parameter even without -Wpedantic.
1422         PR c++/84798 - ICE with auto in abstract function declarator.
1423         * parser.c (cp_parser_parameter_declaration_clause): Check
1424         parser->default_arg_ok_p.
1426 2018-03-13  Jakub Jelinek  <jakub@redhat.com>
1428         PR c++/84808
1429         * constexpr.c (find_array_ctor_elt): Don't use elt reference after
1430         first potential CONSTRUCTOR_ELTS reallocation.  Convert dindex to
1431         sizetype.  Formatting fixes.
1433 2018-03-12  Jason Merrill  <jason@redhat.com>
1435         PR c++/84355 - ICE with deduction for member class template.
1436         * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
1437         CLASS_PLACEHOLDER_TEMPLATE.
1439         PR c++/84802 - ICE capturing uninstantiated class.
1440         * lambda.c (build_capture_proxy): Call complete_type.
1442 2018-03-09  Jason Merrill  <jason@redhat.com>
1444         PR c++/84770 - ICE with typedef and parameter pack.
1445         * pt.c (verify_unstripped_args_1): Split out from
1446         verify_unstripped_args.
1448         PR c++/84785 - ICE with alias template and default targs.
1449         * pt.c (type_unification_real): Set processing_template_decl if
1450         saw_undeduced == 1.
1452         PR c++/84752 - ICE with capture of constexpr array.
1453         * call.c (standard_conversion): Set rvaluedness_matches_p on the
1454         identity conversion under ck_lvalue.
1456 2018-03-09  Jason Merrill  <jason@redhat.com>
1457             Paolo Carlini  <paolo.carlini@oracle.com>
1459         PR c++/71169
1460         PR c++/71832
1461         * pt.c (any_erroneous_template_args_p): New.
1462         * cp-tree.h (any_erroneous_template_args_p): Declare it.
1463         * parser.c (cp_parser_class_specifier_1): Use it.
1465 2018-03-09  Jason Merrill  <jason@redhat.com>
1467         PR c++/84726 - unnecessary capture of constant vars.
1468         * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
1469         (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
1470         * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
1471         * lambda.c (is_constant_capture_proxy)
1472         (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
1473         (prune_lambda_captures): New.
1474         (finish_lambda_function): Call prune_lambda_captures.
1476 2018-03-09  Jason Merrill  <jason@redhat.com>
1477             Jakub Jelinek  <jakub@redhat.com>
1479         PR c++/84076
1480         * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
1481         build ADDR_EXPR with REFERENCE_TYPE.
1482         (build_over_call): For purposes of check_function_arguments, if
1483         argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
1484         its operand rather than the argument itself.
1486 2018-03-09  Jakub Jelinek  <jakub@redhat.com>
1488         PR c++/84724
1489         * decl.c (duplicate_decls): Don't override __* prefixed builtins
1490         except for __[^b]*_chk, instead issue permerror and for -fpermissive
1491         also a note and return olddecl.
1493 2018-03-09  Nathan Sidwell  <nathan@acm.org>
1495         PR c++/84733
1496         * name-lookup.c (do_pushdecl_with_scope): Only clear
1497         current_function_decl when pushing a non-class (i.e. namespace)
1498         scope.
1500 2018-03-08  Jason Merrill  <jason@redhat.com>
1501             Jakub Jelinek  <jakub@redhat.com>
1503         PR c++/80598
1504         * call.c (build_over_call): In templates set TREE_USED (first_fn) when
1505         not calling mark_used for the benefit of -Wunused-function warning.
1507 2018-03-06  Jason Merrill  <jason@redhat.com>
1509         * lambda.c (is_capture_proxy_with_ref): Remove.
1510         * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
1512 2018-03-06  Marek Polacek  <polacek@redhat.com>
1514         PR c++/84684
1515         * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
1516         arguments.
1518 2018-03-06  Alexandre Oliva <aoliva@redhat.com>
1520         PR c++/84231
1521         * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
1522         only while processing template decls.
1523         * typeck.c (build_x_conditional_expr): Move wrapping of
1524         reference type around type...
1525         * call.c (build_conditional_expr_1): ... here.  Rename
1526         is_lvalue to is_glvalue.
1527         * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
1528         INDIRECT_REF of COND_EXPR too.
1530         PR c++/84593
1531         * init.c (build_zero_init_1): Zero-initialize references.
1533         PR c++/84492
1534         * semantics.c (finish_stmt_expr_expr): Reject unresolved
1535         overloads used as stmt expr values.
1537 2018-03-05  Jason Merrill  <jason@redhat.com>
1539         PR c++/84708 - ICE with lambda in local class NSDMI.
1540         * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
1541         context.
1543 2018-03-05  Jakub Jelinek  <jakub@redhat.com>
1545         PR c++/84684
1546         * constexpr.c (constexpr_call_hasher::equal): Return false if
1547         lhs->hash != rhs->hash.  Change return 1 to return true and
1548         return 0 to return false.
1550 2018-03-05  Nathan Sidwell  <nathan@acm.org>
1552         PR c++/84702
1553         * pt.c (process_template_arg): Mark lookup_keep on a default arg.
1555 2018-03-05  Marek Polacek  <polacek@redhat.com>
1557         PR c++/84707
1558         * decl.c (duplicate_decls): Check DECL_NAME before accessing
1559         UDLIT_OPER_P.
1561 2018-03-05  Nathan Sidwell  <nathan@acm.org>
1563         PR c++/84694
1564         * friend.c (do_friend): Restore check for identifier_p inside
1565         TEMPLATE_ID_EXPR.
1567 2018-03-05  Paolo Carlini  <paolo.carlini@oracle.com>
1569         PR c++/84618
1570         * parser.c (cp_parser_lambda_introducer): Reject any capture not
1571         involving a VAR_DECL or a PARM_DECL.
1573 2018-03-05  Pádraig Brady  <P@draigBrady.com>
1574             Jason  Merrill  <jason@redhat.com>
1575             Nathan Sidwell  <nathan@acm.org>
1577         PR c++/84497
1578         * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
1580 2018-03-03  Jason Merrill  <jason@redhat.com>
1582         PR c++/84686 - missing volatile loads.
1583         * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
1585 2018-03-03  Paolo Carlini  <paolo.carlini@oracle.com>
1587         PR c++/71464
1588         * optimize.c (maybe_thunk_body): Bail out immediately if either
1589         fns[0] or fns[1] is null.
1591 2018-03-02  Marek Polacek  <polacek@redhat.com>
1593         PR c++/84578
1594         * constexpr.c (get_array_or_vector_nelts): New.
1595         (cxx_eval_array_reference): Use it.
1596         (cxx_eval_vec_init_1): Likewise.
1597         (cxx_eval_store_expression): Likewise.
1599 2018-03-02  Jason Merrill  <jason@redhat.com>
1601         * semantics.c (force_paren_expr): Remove redundant test.
1603 2018-03-02  Marek Polacek  <polacek@redhat.com>
1605         PR c++/84663
1606         * decl.c (cp_complete_array_type): Check error_mark_node.
1608         PR c++/84664
1609         * typeck.c (cp_perform_integral_promotions): Check the result of
1610         mark_rvalue_use.
1612 2018-03-02  Jakub Jelinek  <jakub@redhat.com>
1614         PR c++/84662
1615         * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
1616         RETURN instead of return.
1617         <case POINTER_PLUS_EXPR>: Likewise.
1618         <case CONVERT_EXPR>: If op0 is error_mark_node, just return
1619         it instead of wrapping it into CONVERT_EXPR.
1621 2018-03-02  Jason Merrill  <jason@redhat.com>
1623         Fix MIPS16 ICE.
1624         * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
1626 2018-03-02  Marek Polacek  <polacek@redhat.com>
1628         PR c++/84590
1629         * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
1630         wrapped in VIEW_CONVERT_EXPR.
1632 2018-03-01  Martin Sebor  <msebor@redhat.com>
1634         PR c++/84294
1635         * decl.c (check_redeclaration_no_default_args): Merge attributes
1636         specified on redeclarations of the same function template.
1637         Remove dead code.
1639 2018-03-01  Marek Polacek  <polacek@redhat.com>
1640             Jason Merrill  <jason@redhat.com>
1642         PR c++/84582
1643         * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
1644         a template.
1645         (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
1646         * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
1647         of instantiate_non_dependent_expr.
1648         * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
1650 2018-03-01  Nathan Sidwell  <nathan@acm.org>
1652         PR c++/84434
1653         * name-lookup.c (member_vec_dedup): Remove manually peeled
1654         iteration.  Ignore dependent ctor inheritance.
1656 2018-03-01  Jason Merrill  <jason@redhat.com>
1658         PR c++/71569 - decltype of template.
1659         * parser.c (cp_parser_decltype_expr): Handle missing template args.
1661 2018-03-01  Marek Polacek  <polacek@redhat.com>
1663         PR c++/84596
1664         * constexpr.c (require_rvalue_constant_expression): New function.
1665         * cp-tree.h: Declare it.
1666         * semantics.c (finish_static_assert): Use it instead of
1667         require_potential_rvalue_constant_expression.
1669 2018-03-01  Jason Merrill  <jason@redhat.com>
1670             Alexandre Oliva <aoliva@redhat.com>
1672         PR c++/71569 - ICE with redundant args on member variable template.
1673         * decl.c (start_decl): Handle partial specialization of member
1674         variable template.
1675         * pt.c (determine_specialization): Allow partial specialization
1676         of member variable template without specializing enclosing class.
1677         (process_partial_specialization): Improve error message.
1679 2018-02-28  Jason Merrill  <jason@redhat.com>
1681         PR c++/71784 - ICE with ref-qualifier and explicit specialization.
1682         * pt.c (determine_specialization): Check ref-qualifier.
1684 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
1686         PR c++/84609
1687         * parser.c (cp_parser_attributes_opt): Formatting fix.
1688         (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
1689         cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
1690         New functions.
1691         (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
1692         instead of tentative parse to peek over optional attribute tokens
1693         to check for CPP_COLON after them.
1695         PR c++/83871
1696         PR c++/83503
1697         * pt.c (INCLUDE_STRING): Remove define.
1698         (warn_spec_missing_attributes): Use pretty_printer instead of
1699         std::string.  Fix up inform call so that the list of attributes
1700         is in %s argument.
1702 2018-02-28  Martin Sebor  <msebor@redhat.com>
1704         PR testsuite/84617
1705         * decl.c (duplicate_decls): Fully merge attributes const, pure,
1706         and malloc.
1708 2018-02-28  Nathan Sidwell  <nathan@acm.org>
1710         PR c++/84602
1711         * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
1712         * name-lookup.c (fields_linear_search): Look in an anon-aggr
1713         regardless of want_type.
1714         (search_anon_aggr): Just use get_class_binding_direct.
1716 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
1718         * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
1719         inform_n.
1721 2018-02-27  Martin Sebor  <msebor@redhat.com>
1723         * pt.c: Avoid including <string> directly.
1725 2018-02-27  Martin Sebor  <msebor@redhat.com>
1727         PR c++/83871
1728         PR c++/83503
1729         * cp-tree.h (warn_spec_missing_attributes): New function.
1730         ((check_explicit_specialization): Add an argument.  Call the above
1731         function.
1732         * decl.c (duplicate_decls): Avoid applying primary function template's
1733         attributes to its explicit specializations.
1734         cp/pt.c (warn_spec_missing_attributes): Define.
1736 2018-02-27  HÃ¥kon Sandsmark  <hsandsmark@gmail.com>
1738         PR c++/71546 - lambda init-capture with qualified-id.
1739         * parser.c (cp_parser_lambda_introducer): Clear scope after
1740         each lambda capture.
1742 2018-02-27  Nathan Sidwell  <nathan@acm.org>
1744         PR c++/84426
1745         * name-lookup.h (get_member_slot): Rename ...
1746         (find_member_slot): ... here.
1747         (add_member_slot): New.
1748         * name-lookup.c (member_vec_linear_search): No need to check for
1749         NULL slot.
1750         (get_member_slot): Rename ...
1751         (find_member_slot): ... here.  Don't add slot for incomplete class.
1752         (add_member_slot): New.
1753         * class.c (add_method): Adjust get_member_slot rename.  Bail out
1754         if push_class_level_binding fails.  Create slot and grok
1755         properties once we're committed to insertion.
1757 2018-02-27  Jason Merrill  <jason@redhat.com>
1759         PR c++/84489 - dependent default template argument
1760         * pt.c (type_unification_real): Handle early substitution failure.
1762 2018-02-26  Jason Merrill  <jason@redhat.com>
1764         PR c++/84560 - ICE capturing multi-dimensional VLA.
1765         * tree.c (array_of_runtime_bound_p): False if the element is
1766         variably-modified.
1768         PR c++/84441 - ICE with base initialized from ?:
1769         * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
1771         PR c++/84520 - ICE with generic lambda in NSDMI.
1772         * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
1773         'this' in a generic lambda instantiation.
1775         PR c++/84559 - ICE with constexpr VLA.
1776         * constexpr.c (ensure_literal_type_for_constexpr_object): Check
1777         for constexpr variable with VLA type.
1779 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
1781         PR c++/84558
1782         * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
1783         a valid constant initializer.  Formatting fixes.
1785 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
1787         PR c++/84540
1788         * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
1789         returning NULL_TREE.
1790         (apply_late_template_attributes): Likewise.
1792 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
1794         PR c++/84557
1795         * parser.c (cp_parser_omp_var_list_no_open): Only call
1796         cp_parser_lookup_name_simple on names satisfying identifier_p.
1797         (cp_parser_oacc_routine): Likewise.
1799 2018-02-26  Jason Merrill  <jason@redhat.com>
1801         PR c++/84551 - ICE with concepts and -g.
1802         * parser.c (add_debug_begin_stmt): Do nothing in a concept.
1804 2018-02-26  Marek Polacek  <polacek@redhat.com>
1806         PR c++/84325
1807         * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
1808         non-types.
1810 2018-02-26  Jason Merrill  <jason@redhat.com>
1812         PR c++/84447 - ICE with deleted inherited ctor with default arg.
1813         * call.c (build_over_call): Handle deleted functions in one place.
1815 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
1817         PR c++/84533
1818         * decl.c (redeclaration_error_message): Don't try to use
1819         DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
1821 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
1823         * lambda.c (build_capture_proxy): Define static.
1824         * cp-tree.h (build_capture_proxy): Remove.
1826 2018-02-26  Marek Polacek  <polacek@redhat.com>
1828         PR c++/84537
1829         * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
1830         if name is error node.
1832 2018-02-25  Jason Merrill  <jason@redhat.com>
1834         PR c++/84015 - ICE with class deduction and auto template parm.
1835         * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
1837 2018-02-24  Marek Polacek  <polacek@redhat.com>
1839         PR c++/83692
1840         * constexpr.c (maybe_constant_init_1): New function.
1841         (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
1842         (cxx_constant_init): New function.
1843         * cp-tree.h (cxx_constant_init): Declare.
1844         * typeck2.c (store_init_value): Call cxx_constant_init instead of
1845         cxx_constant_value.  Move the maybe_constant_init call under an 'else'.
1847 2018-02-22  Jason Merrill  <jason@redhat.com>
1849         PR c++/70468 - ICE with constructor delegation via typedef.
1850         * pt.c (tsubst_initializer_list): Check for other mem-initializers
1851         with constructor delegation.
1853 2018-02-22  Jason Merrill  <jason@redhat.com>
1855         PR c++/84424 - ICE with constexpr and __builtin_shuffle.
1856         * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
1857         VECTOR_TYPE.
1859 2018-02-22  Marek Polacek  <polacek@redhat.com>
1861         PR c++/84493
1862         * parser.c (cp_parser_braced_list): Use require_open instead of
1863         consume_open.
1865 2018-02-21  Jason Merrill  <jason@redhat.com>
1867         PR c++/84454 - ICE with pack expansion in signature.
1868         * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
1870 2018-02-20  Siddhesh Poyarekar  <siddhesh@sourceware.org>
1872         * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
1873         IF_STMT.
1875 2018-02-20  Paolo Carlini  <paolo.carlini@oracle.com>
1877         PR c++/84446
1878         * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
1879         on error_mark_node.
1881 2018-02-20  Jakub Jelinek  <jakub@redhat.com>
1883         PR c++/84445
1884         * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
1885         TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
1887         PR c++/84449
1888         * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
1889         returns error_mark_node, return it immediately.
1890         (break_out_target_exprs): If cp_walk_tree with bot_manip returns
1891         error_mark_node, return error_mark_node.
1893         PR c++/84455
1894         * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
1895         function_depth to avoid GC during finish_lambda_function.
1897 2018-02-19  Jason Merrill  <jason@redhat.com>
1899         PR c++/84429 - ICE capturing VLA.
1900         * lambda.c (build_capture_proxy): Handle reference refs.
1902 2018-02-19  Jakub Jelinek  <jakub@redhat.com>
1904         PR c++/84448
1905         * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
1906         either operand is error_mark_node, set current.lhs to that instead of
1907         creating a binary op with error_mark_node operands.
1909         PR c++/84430
1910         * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
1912 2018-02-19  Paolo Carlini  <paolo.carlini@oracle.com>
1914         PR c++/84348
1915         * decl.c (grokdeclarator): Early return error_mark_node upon
1916         ill-formed friend declaration.
1918 2018-02-16  Marek Polacek  <polacek@redhat.com>
1919             Jakub Jelinek  <jakub@redhat.com>
1921         PR c++/84192
1922         * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
1923         set *jump_target to anything if jump_target is NULL.
1925 2018-02-16  Jason Merrill  <jason@redhat.com>
1927         PR c++/84151 - unnecessary volatile load with static member.
1928         * call.c (build_new_method_call_1): Avoid loading from a volatile
1929         lvalue used as the object argument for a static member function.
1931         PR c++/81853 - using-directive and constexpr.
1932         * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
1934         PR c++/84420 - ICE with structured binding in lambda.
1935         * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
1937         PR c++/83835 - C++17 error with constructor ctors.
1938         * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
1940         PR c++/82664 - ICE with reference to function template parm.
1941         * pt.c (convert_nontype_argument_function): Avoid obfuscationg
1942         NOP_EXPRs.
1944         PR c++/82764 - C++17 ICE with empty base
1945         * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
1947 2018-02-16  Jason Merrill  <jason@redhat.com>
1949         PR c++/84421 - type-dependent if constexpr
1950         * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
1952 2018-02-16  Nathan Sidwell  <nathan@acm.org>
1954         Deprecate -ffriend-injection.
1955         * decl.c (cxx_init_decl_processing): Emit warning on option.
1956         * name-lookup.c (do_pushdecl): Emit warning if we push a visible
1957         friend.
1959 2018-02-16  Paolo Carlini  <paolo.carlini@oracle.com>
1961         PR c++/82468
1962         * decl.c (check_special_function_return_type): Reject template
1963         template parameter in deduction guide.
1965 2018-02-16  Nathan Sidwell  <nathan@acm.org>
1967         PR c++/84375
1968         * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
1970 2018-02-15  Jason Merrill  <jason@redhat.com>
1972         PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
1973         * call.c (convert_like_real): Don't use the copy-list-initialization
1974         shortcut for ck_base.
1976         PR c++/84045 - ICE with typedef and noexcept.
1977         * except.c (build_noexcept_spec): Use strip_typedefs_expr.
1979         PR c++/84376 - ICE with omitted template arguments.
1980         * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
1982         PR c++/84368 - wrong error with local variable in variadic lambda.
1983         * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
1984         local_specializations.
1986 2018-02-15  Paolo Carlini  <paolo.carlini@oracle.com>
1988         PR c++/84330
1989         * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
1990         as first argument.
1992 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
1994         PR c++/84350
1995         * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
1996         init, early return.
1998 2018-02-14  Nathan Sidwell  <nathan@acm.org>
2000         * decl2.c (mark_vtable_entries): Set input_location to decl's.
2001         (c_parse_final_cleanups): Restore input_location after emitting
2002         vtables.
2004 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
2006         * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
2007         (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
2008         auto_deduction_context, tree, int): Add defaults.
2009         * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
2010         (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
2011         tsubst_flags_t argument.
2012         * init.c (build_new): Likewise.
2014 2018-02-13  Jakub Jelinek  <jakub@redhat.com>
2016         PR c++/84364
2017         * typeck.c (check_return_expr): Don't emit -Weffc++ warning
2018         about return other than *this in assignment operators if
2019         retval is type dependent expression.
2021 2018-02-13  Paolo Carlini  <paolo.carlini@oracle.com>
2023         PR c++/84333
2024         * call.c (build_conditional_expr_1): Use cp_save_expr instead of
2025         save_expr for the G++ extension.
2027 2018-02-13  Jason Merrill  <jason@redhat.com>
2029         PR c++/84080 - ICE with return type deduction and specialization.
2030         * pt.c (determine_specialization): Check uses_template_parms.
2032         Fix more variadic capture issues.
2033         * pt.c (find_parameter_packs_r): Also look at explicit captures.
2034         (check_for_bare_parameter_packs): Check current_class_type for
2035         lambda context.
2036         (extract_locals_r): Handle seeing a full instantiation of a pack.
2037         (tsubst_pack_expansion): Likewise.  Force lambda capture.
2038         * parser.c (cp_parser_lambda_introducer): Don't
2039         check_for_bare_parameter_packs.
2041         PR c++/84338 - wrong variadic sizeof.
2042         * pt.c (argument_pack_select_arg): Like the macro, but look through
2043         a pack expansion.
2044         (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
2045         (extract_fnparm_pack): Do make_pack_expansion.
2046         (extract_locals_r): Do strip a pack expansion.
2047         * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
2049 2018-02-12  Jakub Jelinek  <jakub@redhat.com>
2051         PR c++/84341
2052         * parser.c (cp_parser_binary_expression): Use build_min instead of
2053         build2_loc to build the no_toplevel_fold_p toplevel binary expression.
2055 2018-02-12  Nathan Sidwell  <nathan@acm.org>
2057         PR c++/84263
2058         * parser.c (cp_parser_decltype): Push and pop
2059         deferring_access_checks.  Reorganize to avoid goto.
2061 2018-02-12  Richard Biener  <rguenther@suse.de>
2063         PR c++/84281
2064         * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
2065         uniform constructors and delay allocating them fully.
2067 2018-02-09  Jason Merrill  <jason@redhat.com>
2069         PR c++/84036 - ICE with variadic capture.
2070         Handle variadic capture proxies more like non-variadic.
2071         * lambda.c (build_capture_proxy): Remove workaround.
2072         * pt.c (find_parameter_packs_r): The proxy is a pack.
2073         (instantiate_class_template_1): Remove dead lambda code.
2074         (extract_fnparm_pack): Don't make_pack_expansion.
2075         (extract_locals_r): Don't strip a pack expansion.
2076         (tsubst_pack_expansion): Handle proxy packs.  Use
2077         PACK_EXPANSION_EXTRA_ARGS less.
2078         (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
2079         (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
2080         [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
2081         (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
2082         (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
2084 2018-02-10  Jakub Jelinek  <jakub@redhat.com>
2086         PR sanitizer/83987
2087         * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
2089 2018-02-09  Jason Merrill  <jason@redhat.com>
2091         PR c++/81917 - ICE with void_t and partial specialization.
2092         * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
2093         calling most_specialized_partial_spec.
2095 2018-02-09  Nathan Sidwell  <nathan@acm.org>
2097         PR c/84293
2098         * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
2099         Pass expr location to strict_aliasing_warning.
2101 2018-02-09  Jason Merrill  <jason@redhat.com>
2103         PR c++/84296 - ICE with qualified-id in template.
2104         PR c++/83714
2105         * pt.c (unknown_base_ref_p): New.
2106         (instantiation_dependent_scope_ref_p): Use it instead of
2107         any_dependent_bases_p.
2109 2018-02-09  Marek Polacek  <polacek@redhat.com>
2110             Jakub Jelinek  <jakub@redhat.com>
2112         PR c++/83659
2113         * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
2114         fold_indirect_ref_1, including poly_*int64.  Verify first that
2115         tree_fits_poly_int64_p (op01).  Formatting fixes.
2117 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
2119         * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
2120         * lambda.c (build_capture_proxy): Likewise.
2121         * search.c (field_access_p): Likewise.
2122         * semantics.c (omp_clause_decl, omp_privatize_field,
2123         finish_omp_clauses): Likewise.
2125 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
2127         PR c++/83806
2128         * typeck.c (decay_conversion): Use mark_rvalue_use for the special
2129         case of nullptr too.
2131 2018-02-08  Nathan Sidwell  <nathan@acm.org>
2133         * class.c (finish_struct): Fix std:initializer_list diagnostic
2134         formatting.
2136 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
2138         PR c++/83204
2139         * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
2141 2018-02-07  Jakub Jelinek  <jakub@redhat.com>
2143         PR c++/84082
2144         * parser.c (cp_parser_dot_deref_incomplete): New function.
2145         (cp_parser_postfix_dot_deref_expression): Use it.
2147 2018-02-07  David Malcolm  <dmalcolm@redhat.com>
2149         PR c++/81610
2150         PR c++/80567
2151         * name-lookup.c (suggest_rid_p): New function.
2152         (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
2153         suggest_rid_p.
2155 2018-02-07  Jason Merrill  <jason@redhat.com>
2157         PR c++/84182 - ICE with captured lambda
2158         PR c++/84181
2159         * pt.c (extract_locals_r, extract_local_specs): New.
2160         (tsubst_pack_expansion): Use them.
2162 2018-02-07  Martin Liska  <mliska@suse.cz>
2164         PR c++/84059.
2165         * class.c (add_method): Append argument value.
2166         * cp-tree.h (maybe_version_functions): Add new argument.
2167         * decl.c (decls_match): Call it if a declaration does not
2168         have DECL_FUNCTION_VERSIONED.
2169         (maybe_version_functions): record argument is added.
2171 2018-02-05  Marek Polacek  <polacek@redhat.com>
2173         * class.c: Remove unused global variables.
2174         (build_primary_vtable): Don't gather statistics.
2175         (print_class_statistics): Remove.
2176         * cp-tree.h (print_class_statistics): Remove.
2177         * tree.c (cxx_print_statistics): Don't call print_class_statistics.
2179 2018-02-02  Paolo Carlini  <paolo.carlini@oracle.com>
2181         * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
2182         * constexpr.c (cx_check_missing_mem_inits): Likewise.
2183         * decl.c (next_initializable_field, find_decomp_class_base,
2184         cp_finish_decomp): Likewise.
2185         * typeck2.c (process_init_constructor_record): Likewise.
2187 2018-02-02  Jason Merrill  <jason@redhat.com>
2189         PR c++/84181 - ICE with lambda parm in template argument.
2190         * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
2192 2018-02-01  Jason Merrill  <jason@redhat.com>
2194         PR c++/84160 - ICE with nested variadic capture.
2195         * lambda.c (is_capture_proxy_with_ref): New.
2196         (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
2197         COMPONENT_REF.
2198         * expr.c (mark_use): Use is_capture_proxy_with_ref.
2199         * constexpr.c (potential_constant_expression_1): Likewise.
2200         * semantics.c (process_outer_var_ref): Likewise.
2202 2018-02-01  Marek Polacek  <polacek@redhat.com>
2204         PR c++/84125
2205         * typeck.c (build_address): Relax the assert when
2206         processing_template_decl.
2208 2018-02-01  Jason Merrill  <jason@redhat.com>
2210         PR c++/84126 - ICE with variadic generic lambda
2211         PR c++/84036
2212         PR c++/82249
2213         * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
2214         PACK_EXPANSION_EXTRA_ARGS.
2216 2018-02-01  Paolo Carlini  <paolo.carlini@oracle.com>
2218         PR c++/83796
2219         * call.c (convert_like_real): If w're initializing from {} explicitly
2220         call abstract_virtuals_error_sfinae.
2222 2018-01-31  Jason Merrill  <jason@redhat.com>
2223             Jakub Jelinek  <jakub@redhat.com>
2225         PR c++/83993
2226         * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
2227         around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
2228         on ADDR_EXPR.
2230 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
2232         PR c++/83993
2233         * constexpr.c (diag_array_subscript): Emit different diagnostics
2234         if TYPE_DOMAIN (arraytype) is NULL.
2235         (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
2236         with NULL TYPE_DOMAIN use size_zero_node as nelts.
2238 2018-01-31  Paolo Carlini  <paolo.carlini@oracle.com>
2240         PR c++/84092
2241         * semantics.c (finish_qualified_id_expr): When handling an
2242         UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
2244 2018-01-31  Marek Polacek  <polacek@redhat.com>
2246         PR c++/84138
2247         * cp-gimplify.c (cp_fold): Check if X is an error node before
2248         calling useless_type_conversion_p.
2250 2018-01-30  Jason Merrill  <jason@redhat.com>
2252         PR c++/84091 - ICE with local class in lambda in template.
2253         * decl2.c (determine_visibility): Look for outer containing template
2254         instantiation.
2256         PR c++/84098 - ICE with lambda in template NSDMI.
2257         * pt.c (instantiate_class_template_1): Ignore more lambdas.
2259 2018-01-29  Jason Merrill  <jason@redhat.com>
2261         PR c++/68810 - wrong location for reinterpret_cast error.
2262         * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
2263         !dofold.
2265 2018-01-29  Marek Polacek  <polacek@redhat.com>
2267         PR c++/83996
2268         * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
2269         => fooarray[1] in offset_int.
2271 2018-01-29  Jason Merrill  <jason@redhat.com>
2273         PR c++/83942 - wrong unused warning with static_cast.
2274         * cvt.c (ocp_convert): Call mark_rvalue_use.
2276 2018-01-26  Jason Merrill  <jason@redhat.com>
2278         PR c++/83956 - wrong dtor error with anonymous union
2279         * method.c (walk_field_subobs): Variant members only affect
2280         deletedness.
2281         (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
2283         PR c++/84036 - ICE with variadic capture.
2284         PR c++/82249
2285         * pt.c (tsubst_pack_expansion): When optimizing a simple
2286         substitution, pull a single pack expansion out of its pack.
2288         PR c++/82514 - ICE with local class in generic lambda.
2289         * pt.c (regenerated_lambda_fn_p): Remove.
2290         (enclosing_instantiation_of): Don't use it.
2291         (tsubst_function_decl): Call enclosing_instantiation_of.
2293         * pt.c (lookup_template_class_1): Add sanity check.
2294         * name-lookup.c (do_pushtag): Don't add closures to local_classes.
2296 2018-01-25  Jakub Jelinek  <jakub@redhat.com>
2298         PR c++/84031
2299         * decl.c (find_decomp_class_base): Ignore unnamed bitfields.  Ignore
2300         recursive calls that return ret.
2301         (cp_finish_decomp): Ignore unnamed bitfields.
2303 2018-01-23  Jason Merrill  <jason@redhat.com>
2305         PR c++/82249 - wrong mismatched pack length error.
2306         * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
2307         unsubstituted function parameter pack.
2309 2018-01-23  Paolo Carlini  <paolo.carlini@oracle.com>
2311         PR c++/83921
2312         * decl.c (check_for_uninitialized_const_var): Not static; add
2313         bool and tsubst_flags_t parameters; adjust to be used both in
2314         constexpr context and not.
2315         * constexpr.c (potential_constant_expression_1): Use the above.
2316         * cp-tree.h (check_for_uninitialized_const_var): Declare.
2318 2018-01-23  Jason Merrill  <jason@redhat.com>
2320         PR c++/83947 - ICE with auto declarations.
2321         * pt.c (do_auto_deduction): Don't deduce from an auto decl.
2322         * decl.c (undeduced_auto_decl): Limit to vars and fns.
2324 2018-01-23  David Malcolm  <dmalcolm@redhat.com>
2326         PR c++/83974
2327         * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
2328         for pointer to member function types.
2330 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
2332         PR sanitizer/83987
2333         * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
2334         DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
2336 2018-01-23  Nathan Sidwell  <nathan@acm.org>
2338         PR c++/83988
2339         * pt.c (tsubst_baselink): Remove optype assert.
2340         * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
2342 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
2344         PR c++/83958
2345         * decl.c (cp_finish_decomp): Diagnose if reference structure binding
2346         refers to incomplete type.
2348 2018-01-23  Nathan Sidwell  <nathan@acm.org>
2350         Deprecate ARM-era for scope handling
2351         * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
2352         (cxx_init_decl_processing): Deprecate flag_new_for_scope being
2353         cleared.
2354         * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
2355         cleanup handling.
2356         * semantics.c (begin_for_scope): Flag_new_for_scope is
2357         boolean-like.
2358         (finish_for_stmt, begin_range_for_stmt): Likewise.
2360 2018-01-22  Jason Merrill  <jason@redhat.com>
2362         PR c++/83720
2363         * decl2.c (determine_visibility): Fix template_decl handling
2364         instead of blocking it.
2366         PR c++/83720 - ICE with lambda and LTO.
2367         * decl2.c (determine_visibility): Clear template_decl for
2368         function-scope decls.  Propagate anonymous linkage from containing
2369         function.
2371 2018-01-22  Marek Polacek  <polacek@redhat.com>
2373         PR c++/81933
2374         * typeck2.c (split_nonconstant_init_1): Return false if we didn't
2375         split out anything.
2377 2018-01-22  Ville Voutilainen  <ville.voutilainen@gmail.com>
2379         PR c++/83895
2380         * decl.c (grokdeclarator): Don't diagnose extra parens
2381         on typedefs.
2383 2018-01-19  Jakub Jelinek  <jakub@redhat.com>
2385         PR c++/81167
2386         * call.c (joust): Use TREE_TYPE (source) if source is
2387         a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
2389         PR c++/83919
2390         * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
2391         for direct enum init.
2392         * decl.c (reshape_init): Likewise.
2394 2018-01-19  Marek Polacek  <polacek@redhat.com>
2396         * constexpr.c (fold_simple): Simplify.
2398 2018-01-18  Jason Merrill  <jason@redhat.com>
2400         PR c++/83714
2401         * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
2402         * pt.c (instantiation_dependent_scope_ref_p): True if
2403         any_dependent_bases_p.
2405 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
2407         * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
2408         vs DECL_NONTRIVIALLY_INITIALIZED_P).
2410 2018-01-18  Jason Merrill  <jason@redhat.com>
2412         PR c++/82461 - constexpr list-initialized member
2413         * constexpr.c (potential_constant_expression_1): Check
2414         TARGET_EXPR_DIRECT_INIT_P.
2416 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
2418         PR c++/81013
2419         * decl.c (xref_basetypes): Early return upon error about derived
2420         union.
2422 2018-01-18  Nathan Sidwell  <nathan@acm.org>
2424         PR c++/83160
2425         * cp-tree.h (mark_use): Declare.
2426         * expr.c (mark_use): Make extern.
2427         * call.c (direct_reference_binding): Set inner conv's
2428         rvaluedness_matches_p, if it is an identity.
2429         (convert_like_real): Mark lvalue or rvalue use for identity as
2430         rvaledness_matches_p demands.
2432 2018-01-18  Jakub Jelinek  <jakub@redhat.com>
2434         PR c++/83824
2435         * parser.c (attr_chainon): New function.
2436         (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
2437         cp_parser_namespace_definition, cp_parser_init_declarator,
2438         cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
2439         cp_parser_gnu_attributes_opt): Use it.
2440         (cp_parser_member_declaration, cp_parser_objc_class_ivars,
2441         cp_parser_objc_struct_declaration): Likewise.  Don't reset
2442         prefix_attributes if attributes is error_mark_node.
2444 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
2446         PR c++/78344
2447         * decl.c (grokdeclarator): Do not append the error_mark_node
2448         due to an erroneous optional attribute-specifier-seq.
2450 2018-01-17  Jakub Jelinek  <jakub@redhat.com>
2452         PR c++/83897
2453         * cp-gimplify.c (cp_maybe_instrument_return): Handle
2454         CLEANUP_POINT_EXPR.
2456 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
2458         PR c++/81054
2459         * constexpr.c (ensure_literal_type_for_constexpr_object): Return
2460         error_mark_node when we give an error.
2461         * decl.c (cp_finish_decl): Use the latter.
2463 2018-01-17  Nathan Sidwell  <nathan@acm.org>
2465         PR c++/83287
2466         * init.c (build_raw_new_expr): Scan list for lookups to keep.
2468 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
2470         PR c++/83814
2471         * expr.c (fold_for_warn): Move from c-common.c, reducing to just
2472         the C++ part.  If processing a template, call
2473         fold_non_dependent_expr rather than fully folding.
2475 2018-01-17  Jason Merrill  <jason@redhat.com>
2477         PR c++/81067 - redundant NULL warning.
2478         * call.c (convert_like_real): Restore null_node handling.
2480 2018-01-17  Jason Merrill  <jason@redhat.com>
2482         PR c++/81843 - ICE with variadic member template.
2483         PR c++/72801
2484         * pt.c (unify_pack_expansion): Don't try to deduce enclosing
2485         template args.
2487 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
2489         PR c++/83799
2490         * pt.c (type_dependent_expression_p): Strip any location wrapper
2491         before testing tree codes.
2492         (selftest::test_type_dependent_expression_p): New function.
2493         (selftest::cp_pt_c_tests): Call it.
2495 2018-01-17  Nathan Sidwell  <nathan@acm.org>
2497         PR c++/83739
2498         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
2499         this not a final instantiation.
2501 2018-01-16  Jason Merrill  <jason@redhat.com>
2503         PR c++/83714 - ICE checking return in template.
2504         * typeck.c (check_return_expr): Call build_non_dependent_expr.
2506 2018-01-16  Jakub Jelinek  <jakub@redhat.com>
2508         PR c++/83817
2509         * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
2510         is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
2511         instead of CALL_FROM_THUNK_P.
2513         PR c++/83825
2514         * name-lookup.c (member_vec_dedup): Return early if len is 0.
2515         (resort_type_member_vec, set_class_bindings,
2516         insert_late_enum_def_bindings): Use vec qsort method instead of
2517         calling qsort directly.
2519 2018-01-15  Martin Sebor  <msebor@redhat.com>
2521         PR c++/83588
2522         * class.c (find_flexarrays): Make a record of multiple flexible array
2523         members.
2525 2018-01-12  Jason Merrill  <jason@redhat.com>
2527         PR c++/83186 - ICE with static_cast of list-initialized temporary.
2528         * typeck.c (build_static_cast): Use build_non_dependent_expr.
2530 2018-01-12  Nathan Sidwell  <nathan@acm.org>
2532         * cp-tree.h (mark_rvalue_use): Add parm name.
2533         * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
2534         mark_rvalue_use.
2535         * call.c (convert_like_real): Fix formatting.
2537 2018-01-11  Jason Merrill  <jason@redhat.com>
2539         PR c++/82728 - wrong -Wunused-but-set-variable
2540         PR c++/82799
2541         PR c++/83690
2542         * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
2543         * decl.c (case_conversion): Likewise.
2544         * semantics.c (finish_static_assert): Call
2545         perform_implicit_conversion_flags.
2547 2018-01-11  Nathan Sidwell  <nathan@acm.org>
2549         * method.c (enum mangling_flags): Delete long-dead enum.
2551 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
2553         * parser.c (cp_parser_std_attribute_spec): When
2554         token_pair::require_open / require_close return false simply
2555         return error_mark_node, avoid duplicate cp_parser_error about
2556         expected '(' / ')', respectively.
2558 2018-01-10  David Malcolm  <dmalcolm@redhat.com>
2560         PR c++/43486
2561         * call.c (null_ptr_cst_p): Strip location wrappers when
2562         converting from '0' to a pointer type in C++11 onwards.
2563         (conversion_null_warnings): Replace comparison with null_node with
2564         call to null_node_p.
2565         (build_over_call): Likewise.
2566         * cp-gimplify.c (cp_fold): Remove the early bailout when
2567         processing_template_decl.
2568         * cp-lang.c (selftest::run_cp_tests): Call
2569         selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
2570         * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
2571         (selftest::run_cp_tests): Move decl to bottom of file.
2572         (null_node_p): New inline function.
2573         (selftest::cp_pt_c_tests): New decl.
2574         (selftest::cp_tree_c_tests): New decl.
2575         * cvt.c (build_expr_type_conversion): Replace comparison with
2576         null_node with call to null_node_p.
2577         * error.c (args_to_string): Likewise.
2578         * except.c (build_throw): Likewise.
2579         * mangle.c (write_expression): Skip location wrapper nodes.
2580         * parser.c (literal_integer_zerop): New function.
2581         (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
2582         the result for RID_TYPEID. Pass true for new "wrap_locations_p"
2583         param of cp_parser_parenthesized_expression_list.  When calling
2584         warn_for_memset, replace integer_zerop calls with
2585         literal_integer_zerop, eliminating the double logical negation
2586         cast to bool.  Eliminate the special-casing for CONST_DECL in
2587         favor of the fold_for_warn within warn_for_memset.
2588         (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
2589         param, defaulting to false.  Convert "expr" to a cp_expr, and call
2590         maybe_add_location_wrapper on it when wrap_locations_p is true.
2591         (cp_parser_unary_expression): Call maybe_add_location_wrapper on
2592         the result for RID_ALIGNOF and RID_SIZEOF.
2593         (cp_parser_builtin_offsetof): Likewise.
2594         * pt.c: Include "selftest.h".
2595         (tsubst_copy): Handle location wrappers.
2596         (tsubst_copy_and_build): Likewise.
2597         (build_non_dependent_expr): Likewise.
2598         (selftest::test_build_non_dependent_expr): New function.
2599         (selftest::cp_pt_c_tests): New function.
2600         * tree.c: Include "selftest.h".
2601         (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
2602         (selftest::test_lvalue_kind): New function.
2603         (selftest::cp_tree_c_tests): New function.
2604         * typeck.c (string_conv_p): Strip any location wrapper from "exp".
2605         (cp_build_binary_op): Replace comparison with null_node with call
2606         to null_node_p.
2607         (build_address): Use location of operand when building address
2608         expression.
2610 2018-01-10  Marek Polacek  <polacek@redhat.com>
2612         PR c++/82541
2613         * call.c (build_conditional_expr_1): Check complain before warning.
2614         * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
2615         -Wduplicated-branches.
2617 2018-01-10  Jakub Jelinek  <jakub@redhat.com>
2619         PR c++/81327
2620         * call.c (maybe_warn_class_memaccess): Add forward declaration.
2621         Change last argument from tree * to const vec<tree, va_gc> *, adjust
2622         args uses and check number of operands too.  Don't strip away any
2623         nops.  Use maybe_constant_value when looking for INTEGER_CST args.
2624         Deal with src argument not having pointer type.  Check
2625         tree_fits_uhwi_p before calling tree_to_uhwi.  Remove useless
2626         test.
2627         (build_over_call): Call maybe_warn_class_memaccess here on the
2628         original arguments.
2629         (build_cxx_call): Rather than here on converted arguments.
2631 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
2633         PR c++/81055
2634         * init.c (build_vec_init): Avoid building an INIT_EXPR with
2635         error_mark_node as second argument.
2637 2018-01-09  Jakub Jelinek  <jakub@redhat.com>
2639         PR c++/83734
2640         * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
2641         in STATEMENT_LIST.  Remove unneeded assert.
2643 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
2644             Alan Hayward  <alan.hayward@arm.com>
2645             David Sherwood  <david.sherwood@arm.com>
2647         * constexpr.c (cxx_eval_array_reference): Handle polynomial
2648         VECTOR_CST_NELTS.
2649         (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
2650         * call.c (build_conditional_expr_1): Likewise.
2651         * decl.c (cp_finish_decomp): Likewise.
2652         * mangle.c (write_type): Likewise.
2653         * typeck.c (structural_comptypes): Likewise.
2654         (cp_build_binary_op): Likewise.
2655         * typeck2.c (process_init_constructor_array): Likewise.
2657 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
2659         PR c++/83555
2660         * typeck.c (build_static_cast_1): For static casts to reference types,
2661         call build_base_path with flag_delete_null_pointer_checks as nonnull
2662         instead of always false.  When -fsanitize=null, call
2663         ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
2664         * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
2665         call if the first argument is INTEGER_CST with REFERENCE_TYPE.
2667 2018-01-03  Nathan Sidwell  <nathan@acm.org>
2669         PR c++/83667
2670         * method.c (make_alias_for): Copy DECL_CONTEXT.
2672 2018-01-03  Marek Polacek  <polacek@redhat.com>
2674         PR c++/83592
2675         * decl.c (grokdeclarator): Don't warn about MVP in typename context.
2677 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
2679         PR preprocessor/83602
2680         * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
2681         for builtin macros.
2683         PR c++/83634
2684         * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
2685         error_mark_node, return error_mark_node.
2687         Update copyright years.
2689 2018-01-02  Jakub Jelinek  <jakub@redhat.com>
2691         PR c++/83556
2692         * tree.c (replace_placeholders_r): Pass NULL as last argument to
2693         cp_walk_tree instead of d->pset.  If non-TREE_CONSTANT and
2694         non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
2695         to false and return.
2696         (replace_placeholders): Pass NULL instead of &pset as last argument
2697         to cp_walk_tree.
2699 2018-01-02  Nathan Sidwell  <nathan@acm.org>
2701         * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
2702         lval var.
2704 Copyright (C) 2018 Free Software Foundation, Inc.
2706 Copying and distribution of this file, with or without modification,
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2708 notice and this notice are preserved.