1 2018-04-30 Jason Merrill <jason@redhat.com>
3 PR c++/61982 - dead stores to destroyed objects.
4 * call.c (build_trivial_dtor_call): New, assigns a clobber.
5 (build_over_call, build_special_member_call): Use it.
6 * cp-tree.h: Declare it.
7 * init.c (build_delete): Remove trivial path.
9 * init.c (build_dtor_call): Use build_special_member_call.
10 (build_delete): Remove redundant uses of save_addr.
12 * decl.c (build_clobber_this): Use build_clobber.
14 2018-04-27 Jakub Jelinek <jakub@redhat.com>
17 * init.c (build_zero_init_1): For zero initialization of
18 NULLPTR_TYPE_P type use build_int_cst directly.
20 2018-04-27 David Malcolm <dmalcolm@redhat.com>
23 * name-lookup.c (consider_binding_level): Skip compiler-generated
25 * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
26 nested if statements into a series of rejection tests. Reject
27 lambda-ignored entities as suggestions.
29 2018-04-27 Jason Merrill <jason@redhat.com>
31 * cvt.c (cp_fold_convert): Use convert_ptrmem.
32 * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
34 2018-04-27 Paolo Carlini <paolo.carlini@oracle.com>
37 * decl.c (grokdeclarator): Clear friendp upon definition in local
38 class definition error.
40 2018-04-27 Jason Merrill <jason@redhat.com>
42 PR c++/85545 - ICE with noexcept PMF conversion.
43 * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
45 * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
47 (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
49 2018-04-27 Nathan Sidwell <nathan@acm.org>
51 * typeck.c (convert_ptrmem): Move local var decls to initialization.
53 * cp-tree.h (TEMPLATE_INFO): Fix comments.
54 (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
55 (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
56 (dump, print_other_binding_stacks): Remove declarations.
57 * name-lookup.c (print_other_binding_stack): Make static.
58 * pt.c (build_template_decl): Make static.
60 2018-04-26 Jason Merrill <jason@redhat.com>
62 PR c++/85545 - ICE with noexcept PMF conversion.
63 * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
65 2018-04-25 Nathan Sidwell <nathan@acm.org>
69 * cp-tree.h (REINTERPRET_CAST_P): New.
70 * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
71 Reject REINTERPET_CAST_P conversions. Use cplus_expand_constant
72 for non-trivial PTRMEM_CST cases.
73 * typeck.c (build_nop_reinterpret): New.
74 (build_reinterpret_cast_1): Use it. Set REINTERPRET_CAST_P on
75 NOP_EXPRs returned by cp_convert.
77 2018-04-23 Jason Merrill <jason@redhat.com>
79 PR c++/69560 - wrong alignof(double) on x86.
80 CWG 1879 - Inadequate definition of alignment requirement.
81 * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
82 * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
83 (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
84 (cxx_alignof_expr): Pass it.
85 * parser.c (cp_parser_unary_expression): Pass it.
86 * pt.c (tsubst_copy): Copy it.
87 (tsubst_copy_and_build): Pass it.
88 * decl.c (fold_sizeof_expr): Pass it.
90 2018-04-23 Jakub Jelinek <jakub@redhat.com>
91 Jason Merrill <jason@redhat.com>
93 PR c++/85470 - wrong error with static data member.
94 * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
95 * typeck2.c (store_init_value): Likewise.
97 2018-04-20 Jakub Jelinek <jakub@redhat.com>
100 * cp-tree.h (tinst_level): Remove in_system_header_p member,
101 change refcount member from unsigned char to unsigned short,
102 add refcount_infinity static data member, adjust comments.
103 * pt.c (tinst_level::refcount_infinity): Define.
104 (inc_refcount_use): Remove assert, don't increment if refcount
105 is already refcount_infinity, adjust comment.
106 (dec_refcount_use): Remove assert, don't decrement if refcount
107 is refcount_infinity, adjust comment.
108 (push_tinst_level_loc): Formatting fix.
110 2018-04-19 Paolo Carlini <paolo.carlini@oracle.com>
113 * pt.c (lookup_template_class_1): Check pushtag return value for
116 2018-04-19 Alexandre Oliva <aoliva@redhat.com>
119 * cp-tree.h (tinst_level::free): Fix whitespace.
121 2018-04-18 Paolo Carlini <paolo.carlini@oracle.com>
124 * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
127 2018-04-18 Jakub Jelinek <jakub@redhat.com>
130 * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
131 tricks from here to ...
132 * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here. Only use it
133 if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
135 2018-04-18 Alexandre Oliva <aoliva@redhat.com>
138 * cp-tree.h (struct tinst_level): Split decl into tldcl and
139 targs. Add private split_list_p, tree_list_p, and not_list_p
140 inline const predicates; to_list private member function
141 declaration; free public member function declaration; list_p,
142 get_node and maybe_get_node accessors, and refcount data
143 member. Narrow errors to unsigned short.
144 * error.c (print_instantiation_full_context): Use new
146 (print_instantiation_partial_context_line): Likewise. Drop
147 const from tinst_level-typed parameter.
148 * mangle.c (mangle_decl_string): Likewise.
149 * pt.c (freelist): New template class.
150 (tree_list_freelist_head): New var.
151 (tree_list_freelist): New fn, along with specializations.
152 (tinst_level_freelist_head): New var.
153 (pending_template_freelist_head): Likewise.
154 (tinst_level_freelist, pending_template_freelist): New fns.
155 (tinst_level::to_list, tinst_level::free): Define.
156 (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
157 (set_refcount_ptr): New template fn.
158 (add_pending_template): Adjust for refcounting, freelists and
160 (neglectable_inst_p): Take a NULL d as a non-DECL.
161 (limit_bad_template_recursion): Use new accessors.
162 (push_tinst_level): New overload to create the list.
163 (push_tinst_level_loc): Make it static, split decl into two
164 args, adjust tests and initialization to cope with split
165 lists, use freelist, adjust for refcounting.
166 (push_tinst_level_loc): New wrapper with the old interface.
167 (pop_tinst_level): Adjust for refcounting.
168 (record_last_problematic_instantiation): Likewise.
169 (reopen_tinst_level): Likewise. Use new accessors.
170 (instantiate_alias_template): Adjust for split list.
171 (fn_type_unification): Likewise.
172 (get_partial_spec_bindings): Likewise.
173 (instantiate_pending_templates): Use new accessors. Adjust
174 for refcount. Release pending_template to freelist.
175 (instantiating_current_function_p): Use new accessors.
177 2018-04-16 Alexandre Oliva <aoliva@redhat.com>
180 * parser.c (cp_parser_builtin_offset): Reject type definitions.
181 * mangle.c (nested_anon_class_index): Avoid crash returning -1
182 if we've seen errors.
184 2018-04-12 David Malcolm <dmalcolm@redhat.com>
187 * name-lookup.c (macro_use_before_def::maybe_make): New function,
188 checking that the use is indeed before the definition.
189 (macro_use_before_def::macro_use_before_def): Make private.
190 (macro_use_before_def::~macro_use_before_def): Make private. Move
191 check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
192 (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
193 than using new directly.
195 2018-04-12 Jason Merrill <jason@redhat.com>
197 PR c++/85356 - ICE with pointer to member function.
198 * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
199 flag_noexcept_type. Build the new spec within the function context.
200 * except.c (build_noexcept_spec): Do get constant value in templates
201 if flag_noexcept_type.
202 * decl.c (check_redeclaration_exception_specification): Don't
203 instantiate noexcept on a dependent declaration.
205 2018-04-12 Marek Polacek <polacek@redhat.com>
208 * constexpr.c (reduced_constant_expression_p): Return false for null
211 2018-04-11 Marek Polacek <polacek@redhat.com>
214 * constexpr.c (potential_constant_expression_1): Consider conversions
215 from classes to literal types potentially constant.
217 2018-04-10 Paolo Carlini <paolo.carlini@oracle.com>
220 * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
221 the type like TYPE_PTR_OR_PTRMEM_P.
223 2018-04-10 Jason Merrill <jason@redhat.com>
225 PR debug/65821 - wrong location for main().
226 * call.c (clear_location_r, convert_default_arg): Revert.
227 * tree.c (break_out_target_exprs): Add clear_location parm.
228 (struct bot_data): New.
229 (bot_manip): Clear location if requested.
230 * init.c (get_nsdmi): Pass clear_location.
232 2018-04-10 David Malcolm <dmalcolm@redhat.com>
235 * call.c (get_fndecl_argument_location): Make non-static.
236 * cp-tree.h (get_fndecl_argument_location): New decl.
237 * typeck.c (convert_for_assignment): When complaining due to
238 conversions for an argument, show the location of the parameter
241 2018-04-10 Jakub Jelinek <jakub@redhat.com>
243 PR c++/85312 - P0962 cleanup
244 * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
247 2018-04-10 Jason Merrill <jason@redhat.com>
249 PR debug/65821 - wrong location for main().
250 * call.c (clear_location_r): New.
251 (convert_default_arg): Use it.
252 * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
254 PR c++/85285 - ICE with flexible array after substitution.
255 * pt.c (instantiate_class_template_1): Check for flexible array in
258 2018-04-09 Paolo Carlini <paolo.carlini@oracle.com>
261 * decl.c (cp_finish_decomp): In a template, if the type is incomplete
262 issue a pedwarn and defer trying to do bindings.
264 2018-04-09 Jason Merrill <jason@redhat.com>
266 PR c++/85279 - dump_expr doesn't understand decltype.
267 * error.c (dump_expr): Handle DECLTYPE_TYPE.
269 PR c++/85262 - ICE with redundant qualification on constructor.
270 * call.c (build_new_method_call_1): Move make_args_non_dependent
271 after A::A() handling.
273 PR c++/85277 - ICE with invalid offsetof.
274 * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
275 Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
277 PR c++/85264 - ICE with excess template-parameter-list.
278 * parser.c (cp_parser_check_template_parameters): Add template_id_p
279 parameter. Don't allow an extra template header if true.
280 (cp_parser_class_head): Pass template_id_p.
281 (cp_parser_elaborated_type_specifier): Likewise.
282 (cp_parser_alias_declaration): Likewise.
283 (cp_parser_check_declarator_template_parameters): Likewise.
285 2018-04-09 Jakub Jelinek <jakub@redhat.com>
288 * parser.c (cp_parser_simple_declaration): For structured bindings,
289 if *maybe_range_for_decl is NULL after parsing it, set it to
292 2018-04-09 Jason Merrill <jason@redhat.com>
294 PR c++/85256 - ICE capturing pointer to VLA.
295 * lambda.c (add_capture): Distinguish between variable-size and
296 variably-modified types.
298 2018-04-06 Jason Merrill <jason@redhat.com>
300 PR c++/85214 - ICE with alias, generic lambda, constexpr if.
301 * pt.c (extract_locals_r): Remember local typedefs.
303 2018-04-06 David Malcolm <dmalcolm@redhat.com>
306 * name-lookup.c (struct std_name_hint): Move out of
307 get_std_name_hint; add field "min_dialect".
308 (get_std_name_hint): Add min_dialect values to all initializers.
309 Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
310 <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
311 <shared_mutex>, <string_view>, <thread>, and <variant>.
312 Add fstream, ifstream, and ofstream to <fstream>.
313 Add istringstream, ostringstream, and stringstream to <sstream>.
314 Add basic_string to <string>.
315 Add tuple_element and tuple_size to <tuple>.
316 Add declval to <utility>.
317 Fix ordering of <queue> and <tuple>.
318 Return a std_name_hint, rather than a const char *.
319 (get_cxx_dialect_name): New function.
320 (maybe_suggest_missing_std_header): Detect names that aren't yet
321 available in the current dialect, and instead of suggesting a
322 missing #include, warn about the dialect.
324 2018-04-06 Jakub Jelinek <jakub@redhat.com>
327 * pt.c (tsubst_decomp_names): Return error_mark_node and assert
328 errorcount is set if tsubst doesn't return a VAR_DECL.
330 2018-04-06 David Malcolm <dmalcolm@redhat.com>
333 * name-lookup.c (using_directives_contain_std_p): New function.
334 (has_using_namespace_std_directive_p): New function.
335 (suggest_alternatives_for): Simplify if/else logic using early
336 returns. If no candidates were found, and there's a
337 "using namespace std;" directive, call
338 maybe_suggest_missing_std_header.
339 (maybe_suggest_missing_header): Split later part of the function
341 (maybe_suggest_missing_std_header): New.
343 2018-04-06 Jason Merrill <jason@redhat.com>
345 PR c++/85242 - ICE with class definition in template parm.
346 * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
347 processing_template_parmlist.
349 PR c++/85240 - LTO ICE with using of undeduced auto fn.
350 * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
352 2018-04-05 Jakub Jelinek <jakub@redhat.com>
355 * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
356 is not prev, if prev == decl.
359 * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
360 maybe_apply_pragma_weak here...
361 (cp_maybe_mangle_decomp): ... but call it here instead.
363 2018-04-05 Jason Merrill <jason@redhat.com>
365 PR c++/85136 - ICE with designated init in template.
366 * decl.c (maybe_deduce_size_from_array_init): Handle dependent
367 designated initializer.
368 (check_array_designated_initializer): Update ce->index with the
371 PR c++/83808 - ICE with VLA initialization.
372 * typeck2.c (process_init_constructor_array): Don't require a VLA
373 initializer to have VLA type.
375 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
378 * call.c (convert_like_real): Fail gracefully for a broken
379 std::initializer_list, missing a definition.
381 * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
383 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
386 * decl.c (grokdeclarator): Fix diagnostic about typedef name used
387 as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
389 2018-04-05 Jason Merrill <jason@redhat.com>
391 PR c++/82152 - ICE with class deduction and inherited ctor.
392 * pt.c (do_class_deduction): Ignore inherited ctors.
394 PR c++/84665 - ICE with array of empty class.
395 * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
397 PR c++/85228 - ICE with lambda in enumerator in template.
398 * pt.c (bt_instantiate_type_proc): Don't assume
399 CLASSTYPE_TEMPLATE_INFO is non-null.
401 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
404 * decl.c (find_decomp_class_base): Check accessibility instead
405 of declared access, adjust diagnostic.
407 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
410 * decl.c (get_tuple_decomp_init): Check the templatedness
413 2018-04-05 Jason Merrill <jason@redhat.com>
415 PR c++/85200 - ICE with constexpr if in generic lambda.
416 * pt.c (extract_locals_r): Don't record the local specs of variables
417 declared within the pattern.
419 2018-04-05 Alexandre Oliva <aoliva@redhat.com>
422 * pt.c (check_auto_in_tmpl_args): New.
423 (tsubst_qualified_id): Use it to reject template args
424 referencing auto for non-type templates.
425 * parser.c (cp_parser_template_id): Likewise.
426 * cp-tree.h (check_auto_in_tmpl_args): Declare.
427 * typeck2.c (build_functional_cast): Report correct location
428 for invalid use of auto.
430 2018-04-04 Jason Merrill <jason@redhat.com>
432 PR c++/85215 - ICE with copy-init from conversion.
433 * call.c (merge_conversion_sequences): Fix type of direct binding
436 PR c++/84938 - ICE with division by ~-1.
437 * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
439 PR c++/84936 - ICE with unexpanded pack in mem-initializer.
440 * parser.c (cp_parser_mem_initializer_list): Call
441 check_for_bare_parameter_packs.
443 2018-04-04 Jakub Jelinek <jakub@redhat.com>
446 * constexpr.c (cxx_eval_builtin_function_call): For calls to
447 builtin_valid_in_constant_expr_p functions, don't call
448 cxx_eval_constant_expression if argument is not
449 potential_constant_expression.
452 * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
454 * semantics.c (calculate_bases): Add complain argument. Use
455 complete_type_or_maybe_complain instead of just complete_type and
456 return an empty vector if it fails. Move make_tree_vector () call
457 after early return. Formatting fixes.
458 (calculate_direct_bases): Likewise. Call release_tree_vector at the
460 (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
461 * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
462 calculate_direct_bases callers, formatting fixes.
464 2018-04-04 Jason Merrill <jason@redhat.com>
466 PR c++/85006 - -fconcepts ICE with A<auto...> return type
467 * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
469 PR c++/85200 - ICE with constexpr if in generic lambda.
470 * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
472 PR c++/84221 - bogus -Wunused with attribute and template.
473 * decl2.c (is_late_template_attribute): Handle unused and used
474 normally on non-TYPE_DECL.
476 PR c++/85135 - ICE with omitted template arguments.
477 * decl.c (grokdeclarator): Catch deduced class type in trailing
480 PR c++/85133 - ICE with missing concept initializer.
481 * decl.c (cp_finish_decl): If a concept initializer is missing, use
484 PR c++/85118 - wrong error with generic lambda and std::bind.
485 * call.c (add_template_conv_candidate): Disable if there are any
488 PR c++/85141 - ICE with compound assignment and static member fn.
489 * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
492 PR c++/85148 - ICE with 'this' in array NSDMI.
493 * tree.c (replace_placeholders_r): Use handled_component_p.
495 2018-04-04 Ville Voutilainen <ville.voutilainen@gmail.com>
498 * decl.c (grokfndecl): Handle standard UDL diagnostics here..
499 * parser.c (cp_parser_unqualified_id): ..not here.
501 2018-04-04 Alexandre Oliva <aoliva@redhat.com>
504 * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
506 * decl2.c (mark_used): Return without effects if tf_conv.
508 2018-04-03 Jason Merrill <jason@redhat.com>
510 PR c++/85092 - C++17 ICE with unused list constructor.
511 * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
514 PR c++/85113 - ICE with constexpr and __builtin_constant_p.
515 * constexpr.c (cxx_eval_builtin_function_call): Only defer
516 __builtin_constant_p if ctx->quiet.
518 2018-04-03 Paolo Carlini <paolo.carlini@oracle.com>
521 * pt.c (rewrite_template_parm): If the first argument is
522 error_mark_node return it immediately.
523 (build_deduction_guide): Check the return value of the
524 latter for error_mark_node.
525 (do_class_deduction): Check the return value of the latter.
527 2018-04-03 Jason Merrill <jason@redhat.com>
529 * semantics.c (finish_if_stmt_cond): Use
530 instantiation_dependent_expression_p.
532 PR c++/85149 - generic lambda and constexpr if.
533 * pt.c (build_extra_args, add_extra_args): Split from
534 tsubst_pack_expansion.
535 (tsubst_expr) [IF_STMT]: Use them.
536 * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
538 * typeck.c (merge_types): Limit matching attribute shortcut to
541 2018-04-03 Jakub Jelinek <jakub@redhat.com>
544 * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
547 * name-lookup.c (handle_namespace_attrs): Return early if attributes
551 * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
552 fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
553 instead for static data members clear init and set DECL_EXTERNAL.
555 2018-04-02 Jason Merrill <jason@redhat.com>
557 PR c++/64095 - auto... parameter pack.
558 * parser.c (cp_parser_parameter_declaration): Handle turning autos
560 (cp_parser_parameter_declaration_list): Not here.
562 2018-03-31 Alexandre Oliva <aoliva@redhat.com>
565 * class.c (instantiate_type): Peel off SAVE_EXPR before
568 2018-03-30 Jason Merrill <jason@redhat.com>
570 * typeck2.c (process_init_constructor_record): Use
571 init_list_type_node for the CONSTRUCTOR around an anonymous union
572 designated initializer.
574 2018-03-30 Jakub Jelinek <jakub@redhat.com>
577 * semantics.c (finish_omp_reduction_clause): If
578 OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
579 even if processing_template_decl.
581 2018-03-29 David Malcolm <dmalcolm@redhat.com>
584 * name-lookup.c (get_std_name_hint): Add names from <memory>,
585 <tuple>, and <utility>.
587 2018-03-29 Jason Merrill <jason@redhat.com>
589 PR c++/85093 - too many template args with pack expansion.
590 * pt.c (coerce_template_parms): Keep pack expansion args that will
593 2018-03-29 Jason Merrill <jason@redhat.com>
595 * pt.c (build_non_dependent_expr): Propagate expr location.
597 2018-03-27 Jason Merrill <jason@redhat.com>
599 PR c++/85060 - wrong-code with call to base member in template.
600 * search.c (any_dependent_bases_p): Check uses_template_parms
601 rather than processing_template_decl.
603 2018-03-29 David Malcolm <dmalcolm@redhat.com>
606 * typeck.c (convert_for_assignment): When complaining due to
607 conversions for an argument, attempt to use the location of the
610 2018-03-28 Paolo Carlini <paolo.carlini@oracle.com>
613 * pt.c (tsubst_default_argument): Early return if the type of the
614 parameter is erroneous.
616 2018-03-28 Alexandre Oliva <aoliva@redhat.com>
619 * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
623 * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
625 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
628 * method.c (defaulted_late_check): Partially revert r253321 changes,
629 do not early return upon error.
631 2018-03-27 Jakub Jelinek <jakub@redhat.com>
634 * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
635 type call fold to generate VECTOR_CSTs when possible.
638 * tree.c (cp_build_reference_type): If to_type is error_mark_node,
639 return it right away.
641 2018-03-27 Volker Reichelt <v.reichelt@netcologne.de>
643 * search.c (check_final_overrider): Use inform instead of error
644 for the diagnostics of the overridden functions. Tweak wording.
646 2018-03-27 Jakub Jelinek <jakub@redhat.com>
649 * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
650 is NULL. Assert if thunk_binfo is NULL then errorcount is non-zero.
652 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
653 Jason Merrill <jason@redhat.com>
656 * init.c (build_aggr_init): When initializing from array,
657 reject anything but CONSTRUCTORs and TARGET_EXPRs.
658 (build_vec_init): Handle separately ARRAY_TYPEs.
660 2018-03-26 Jason Merrill <jason@redhat.com>
662 PR c++/85062 - ICE with alignas in wrong place.
663 * decl.c (grokdeclarator): Ignore attributes on type-specifiers
666 PR c++/85049 - ICE with __integer_pack.
667 * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
668 * cp-tree.h (TEMPLATE_PARM_P): New.
670 2018-03-23 Jason Merrill <jason@redhat.com>
672 PR c++/78489 - wrong SFINAE behavior.
675 * pt.c (type_unification_real): Don't defer substitution failure.
677 2018-03-23 Jakub Jelinek <jakub@redhat.com>
680 * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
684 * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
685 cp_build_unary_op call with gcc_unreachable ().
687 2018-03-23 Marek Polacek <polacek@redhat.com>
690 * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
691 Handle EXACT_DIV_EXPR and RDIV_EXPR. Tweak condition.
692 (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
694 2018-03-23 Ville Voutilainen <ville.voutilainen@gmail.com>
697 * parser.c (cp_parser_perform_range_for_lookup): Change
698 the condition for deciding whether to use members.
700 2018-03-23 Marek Polacek <polacek@redhat.com>
703 * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
705 2018-03-23 Alexandre Oliva <aoliva@redhat.com>
708 * parser.c (cp_parser_alias_declaration): Call
709 parser_check_template_parameters.
712 * pt.c (resolve_typename_type): Drop assert that stopped
713 simplification to template-independent types. Add assert to
714 verify the initial scope is template dependent.
715 * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
716 Reparse the id expression as a type-name, not a declarator.
719 * init.c (build_vec_init): Error at parenthesized array init.
724 * cp-tree.h (temp_override): New template class, generalizing
725 a cleanup that was only used...
726 * parser.c (cp_parser_parameter_declaration_clause):
727 ... here for auto_is_implicit_function_template_parm_p.
728 (cp_parser_gnu_attributes_opt): Use it here as well.
729 (cp_parser_std_attribute): Likewise.
731 2018-03-22 Marek Polacek <polacek@redhat.com>
734 * semantics.c (finish_if_stmt_cond): Check if the type of the condition
737 2018-03-21 Jason Merrill <jason@redhat.com>
739 PR c++/81311 - wrong C++17 overload resolution.
740 * call.c (build_user_type_conversion_1): Remove C++17 code.
741 (conv_binds_ref_to_prvalue): New.
742 (build_over_call): Handle C++17 copy elision.
743 (build_special_member_call): Only do C++17 copy elision here if the
744 argument is already the right type.
746 2018-03-21 Alexandre Oliva <aoliva@redhat.com>
749 * init.c (build_vec_init): Silence error, former sorry,
754 * parser.c (abort_fully_implicit_template_p): New.
755 (cp_parser_skip_to_end_of_statement): Use it.
756 (cp_parser_skip_to_end_of_block_or_statement): Likewise.
757 (finish_fully_implicit_template_p): Clear
758 implicit_template_parms and implicit_template_scope.
760 2018-03-21 Paolo Carlini <paolo.carlini@oracle.com>
763 * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
764 error_mark_node when check_array_designated_initializer fails.
766 2018-03-21 Jakub Jelinek <jakub@redhat.com>
769 * cp-tree.h (genericize_compound_lvalue): Declare.
770 * typeck.c (genericize_compound_lvalue): New function.
771 (unary_complex_lvalue, cp_build_modify_expr): Use it.
772 * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
773 and PREDECREMENT_EXPR in output and "m" constrained input operands with
774 COMPOUND_EXPR. Call cxx_mark_addressable on the rightmost
775 COMPOUND_EXPR operand.
777 2018-03-21 Nathan Sidwell <nathan@acm.org>
780 * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
781 * decl2.c (vague_linkage_p): Likewise.
783 2018-03-21 David Malcolm <dmalcolm@redhat.com>
786 * constexpr.c (constexpr_fn_retval): Make non-"static".
787 * cp-tree.h (constexpr_fn_retval): New decl.
788 * search.c (direct_accessor_p): Update leading comment.
789 (reference_accessor_p): Likewise.
790 (field_accessor_p): Replace check that function body is a
791 RETURN_EXPR with a call to constexpr_fn_retval. Fix
792 indentation of "field_type" decl.
794 2018-03-21 Nathan Sidwell <nathan@acm.org>
797 * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
800 2018-03-21 Martin Sebor <msebor@redhat.com>
803 * call.c (first_non_public_field): New template and function.
804 (first_non_trivial_field): New function.
805 (maybe_warn_class_memaccess): Call them.
807 2018-03-21 David Malcolm <dmalcolm@redhat.com>
810 * search.c (field_accessor_p): Use class_of_this_parm rather than
811 type_of_this_parm, to check that "this" is a "const T *", rather
814 2018-03-21 Nathan Sidwell <nathan@acm.org>
816 * class.c (finish_struct_anon_r): Refactor, deprecate anything
817 other than public non-static data members.
818 * parser.c (cp_parser_init_declarator): Deprecate attributes after
819 parenthesized initializer.
822 * name-lookup.c (update_binding): Correct logic for local binding
825 2018-03-21 Marek Polacek <polacek@redhat.com>
827 PR c++/71638, ICE with NSDMI and reference.
828 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
829 even when we replace an element.
831 2018-03-20 Marek Polacek <polacek@redhat.com>
833 PR c++/84978, ICE with NRVO.
834 * constexpr.c (cxx_eval_constant_expression): Handle the case when
835 a RESULT_DECL isn't in the hash map.
837 2018-03-20 Jason Merrill <jason@redhat.com>
839 PR c++/84978, ICE with NRVO.
840 * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
841 (cp_get_callee_fndecl_nofold): New.
842 * cp-gimplify.c (cp_genericize_r): Use it instead.
843 * call.c (check_self_delegation): Likewise.
845 2018-03-20 Nathan Sidwell <nathan@acm.org>
848 * name-lookup.c (pushdecl_class_level): Push anon-struct's
849 member_vec, if there is one.
852 * cp-tree.h (lookup_list_keep): Declare.
853 * tree.c (lookup_list_keep): New, broken out of ...
854 (build_min): ... here. Call it.
855 * decl.c (cp_finish_decl): Call lookup_list_keep.
857 2018-03-19 Jason Merrill <jason@redhat.com>
859 PR c++/84937 - ICE with class deduction and auto.
860 * pt.c (rewrite_template_parm): Fix auto handling.
862 2018-03-19 Marek Polacek <polacek@redhat.com>
865 * pt.c (enclosing_instantiation_of): Check if fn is null.
868 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
869 as we evaluate the elements.
870 (cxx_eval_constant_expression): Verify constructor's flags
873 2018-03-19 Jason Merrill <jason@redhat.com>
875 PR c++/71834 - template-id with too few arguments.
876 * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
878 2018-03-19 Nathan Sidwell <nathan@acm.org>
881 * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
882 * pt.c (build_template_decl): Propagate language linkage.
885 * name-lookup.c (set_local_extern_decl_linkage): Defend against
888 2018-03-16 Jakub Jelinek <jakub@redhat.com>
891 * parser.c (cp_parser_lambda_introducer): Remove trailing space from
893 * method.c (synthesize_method): Likewise.
894 * pt.c (convert_nontype_argument): Likewise.
896 2018-03-16 Jason Merrill <jason@redhat.com>
898 PR c++/84720 - ICE with rvalue ref non-type argument.
899 * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
900 (convert_nontype_argument): Revert earlier change.
902 PR c++/80227 - SFINAE and negative array size.
903 * decl.c (compute_array_index_type): Use
904 build_converted_constant_expr and valid_constant_size_p.
906 PR c++/84906 - silent wrong code with ambiguous conversion.
907 * call.c (build_user_type_conversion_1): Set need_temporary_p on
908 ambiguous conversion.
909 (convert_like_real): Check it.
911 PR c++/83937 - wrong C++17 handling of init-list ctor argument.
912 * call.c (build_special_member_call): Don't convert an init-list
913 argument directly to the class type.
915 2018-03-16 Jakub Jelinek <jakub@redhat.com>
919 * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
920 (find_placeholder): Declare.
921 * tree.c (struct replace_placeholders_t): Add exp member.
922 (replace_placeholders_r): Don't walk into ctors with
923 CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
924 d->exp. Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
925 (replace_placeholders): Initialize data.exp.
926 (find_placeholders_r, find_placeholders): New functions.
927 * typeck2.c (process_init_constructor_record,
928 process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
929 if adding NSDMI on which find_placeholder returns true.
930 * call.c (build_over_call): Don't call replace_placeholders here.
931 * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
932 TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
934 (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
937 2018-03-16 Jason Merrill <jason@redhat.com>
939 PR c++/83911 - ICE with multiversioned constructor.
940 * cp-gimplify.c (cp_genericize_r): Replace versioned function with
942 * call.c (build_over_call): Not here.
944 2018-03-16 Jakub Jelinek <jakub@redhat.com>
947 * decl.c (reshape_init_class): Don't assert d->cur->index == field
948 if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
950 2018-03-15 Jakub Jelinek <jakub@redhat.com>
953 * cp-tree.h (cp_warn_deprecated_use): Declare.
954 * tree.c (cp_warn_deprecated_use): New function.
955 * typeck2.c (build_functional_cast): Use it.
956 * decl.c (grokparms): Likewise.
957 (grokdeclarator): Likewise. Temporarily push nested class scope
958 around grokparms call for out of class member definitions.
960 2018-03-14 Jason Merrill <jason@redhat.com>
962 PR c++/84820 - no error for invalid qualified-id.
963 * parser.c (cp_parser_make_indirect_declarator): Don't wrap
966 PR c++/84801 - ICE with unexpanded pack in lambda.
967 * pt.c (check_for_bare_parameter_packs): Don't return early for a
968 lambda in non-template context.
970 PR c++/81236 - auto variable and auto function
971 * pt.c (tsubst_baselink): Update the type of the BASELINK after
974 2018-03-14 Jason Merrill <jason@redhat.com>
976 PR c++/83916 - ICE with template template parameters.
977 * pt.c (convert_template_argument): Don't substitute into type of
978 non-type parameter if we don't have enough arg levels.
981 2018-03-14 Marek Polacek <polacek@redhat.com>
984 * semantics.c (finish_static_assert): Check
985 instantiation_dependent_expression_p instead of
986 {type,value}_dependent_expression_p.
988 2018-03-13 Paolo Carlini <paolo.carlini@oracle.com>
989 Jason Merrill <jason@redhat.com>
991 PR c++/82336 - link error with list-init default argument.
992 * decl.c (check_default_argument): Unshare an initializer list.
994 2018-03-13 Jakub Jelinek <jakub@redhat.com>
997 * decl.c (duplicate_decls): For redefinition of built-in, use error
998 and return error_mark_node. For redeclaration, return error_mark_node
999 rather than olddecl if !flag_permissive.
1001 2018-03-13 Jason Merrill <jason@redhat.com>
1003 PR c++/82565 - ICE with concepts and generic lambda.
1004 * pt.c (instantiate_decl): Clear fn_context for lambdas.
1006 2018-03-13 Jason Merrill <jason@redhat.com>
1008 PR c++/84720 - ICE with rvalue ref non-type argument.
1009 * pt.c (convert_nontype_argument): Handle rvalue references.
1011 PR c++/84839 - ICE with decltype of parameter pack.
1012 * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
1013 instantiating dummy parms.
1015 * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
1016 parameter even without -Wpedantic.
1018 PR c++/84798 - ICE with auto in abstract function declarator.
1019 * parser.c (cp_parser_parameter_declaration_clause): Check
1020 parser->default_arg_ok_p.
1022 2018-03-13 Jakub Jelinek <jakub@redhat.com>
1025 * constexpr.c (find_array_ctor_elt): Don't use elt reference after
1026 first potential CONSTRUCTOR_ELTS reallocation. Convert dindex to
1027 sizetype. Formatting fixes.
1029 2018-03-12 Jason Merrill <jason@redhat.com>
1031 PR c++/84355 - ICE with deduction for member class template.
1032 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
1033 CLASS_PLACEHOLDER_TEMPLATE.
1035 PR c++/84802 - ICE capturing uninstantiated class.
1036 * lambda.c (build_capture_proxy): Call complete_type.
1038 2018-03-09 Jason Merrill <jason@redhat.com>
1040 PR c++/84770 - ICE with typedef and parameter pack.
1041 * pt.c (verify_unstripped_args_1): Split out from
1042 verify_unstripped_args.
1044 PR c++/84785 - ICE with alias template and default targs.
1045 * pt.c (type_unification_real): Set processing_template_decl if
1048 PR c++/84752 - ICE with capture of constexpr array.
1049 * call.c (standard_conversion): Set rvaluedness_matches_p on the
1050 identity conversion under ck_lvalue.
1052 2018-03-09 Jason Merrill <jason@redhat.com>
1053 Paolo Carlini <paolo.carlini@oracle.com>
1057 * pt.c (any_erroneous_template_args_p): New.
1058 * cp-tree.h (any_erroneous_template_args_p): Declare it.
1059 * parser.c (cp_parser_class_specifier_1): Use it.
1061 2018-03-09 Jason Merrill <jason@redhat.com>
1063 PR c++/84726 - unnecessary capture of constant vars.
1064 * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
1065 (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
1066 * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
1067 * lambda.c (is_constant_capture_proxy)
1068 (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
1069 (prune_lambda_captures): New.
1070 (finish_lambda_function): Call prune_lambda_captures.
1072 2018-03-09 Jason Merrill <jason@redhat.com>
1073 Jakub Jelinek <jakub@redhat.com>
1076 * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
1077 build ADDR_EXPR with REFERENCE_TYPE.
1078 (build_over_call): For purposes of check_function_arguments, if
1079 argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
1080 its operand rather than the argument itself.
1082 2018-03-09 Jakub Jelinek <jakub@redhat.com>
1085 * decl.c (duplicate_decls): Don't override __* prefixed builtins
1086 except for __[^b]*_chk, instead issue permerror and for -fpermissive
1087 also a note and return olddecl.
1089 2018-03-09 Nathan Sidwell <nathan@acm.org>
1092 * name-lookup.c (do_pushdecl_with_scope): Only clear
1093 current_function_decl when pushing a non-class (i.e. namespace)
1096 2018-03-08 Jason Merrill <jason@redhat.com>
1097 Jakub Jelinek <jakub@redhat.com>
1100 * call.c (build_over_call): In templates set TREE_USED (first_fn) when
1101 not calling mark_used for the benefit of -Wunused-function warning.
1103 2018-03-06 Jason Merrill <jason@redhat.com>
1105 * lambda.c (is_capture_proxy_with_ref): Remove.
1106 * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
1108 2018-03-06 Marek Polacek <polacek@redhat.com>
1111 * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
1114 2018-03-06 Alexandre Oliva <aoliva@redhat.com>
1117 * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
1118 only while processing template decls.
1119 * typeck.c (build_x_conditional_expr): Move wrapping of
1120 reference type around type...
1121 * call.c (build_conditional_expr_1): ... here. Rename
1122 is_lvalue to is_glvalue.
1123 * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
1124 INDIRECT_REF of COND_EXPR too.
1127 * init.c (build_zero_init_1): Zero-initialize references.
1130 * semantics.c (finish_stmt_expr_expr): Reject unresolved
1131 overloads used as stmt expr values.
1133 2018-03-05 Jason Merrill <jason@redhat.com>
1135 PR c++/84708 - ICE with lambda in local class NSDMI.
1136 * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
1139 2018-03-05 Jakub Jelinek <jakub@redhat.com>
1142 * constexpr.c (constexpr_call_hasher::equal): Return false if
1143 lhs->hash != rhs->hash. Change return 1 to return true and
1144 return 0 to return false.
1146 2018-03-05 Nathan Sidwell <nathan@acm.org>
1149 * pt.c (process_template_arg): Mark lookup_keep on a default arg.
1151 2018-03-05 Marek Polacek <polacek@redhat.com>
1154 * decl.c (duplicate_decls): Check DECL_NAME before accessing
1157 2018-03-05 Nathan Sidwell <nathan@acm.org>
1160 * friend.c (do_friend): Restore check for identifier_p inside
1163 2018-03-05 Paolo Carlini <paolo.carlini@oracle.com>
1166 * parser.c (cp_parser_lambda_introducer): Reject any capture not
1167 involving a VAR_DECL or a PARM_DECL.
1169 2018-03-05 Pádraig Brady <P@draigBrady.com>
1170 Jason Merrill <jason@redhat.com>
1171 Nathan Sidwell <nathan@acm.org>
1174 * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
1176 2018-03-03 Jason Merrill <jason@redhat.com>
1178 PR c++/84686 - missing volatile loads.
1179 * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
1181 2018-03-03 Paolo Carlini <paolo.carlini@oracle.com>
1184 * optimize.c (maybe_thunk_body): Bail out immediately if either
1185 fns[0] or fns[1] is null.
1187 2018-03-02 Marek Polacek <polacek@redhat.com>
1190 * constexpr.c (get_array_or_vector_nelts): New.
1191 (cxx_eval_array_reference): Use it.
1192 (cxx_eval_vec_init_1): Likewise.
1193 (cxx_eval_store_expression): Likewise.
1195 2018-03-02 Jason Merrill <jason@redhat.com>
1197 * semantics.c (force_paren_expr): Remove redundant test.
1199 2018-03-02 Marek Polacek <polacek@redhat.com>
1202 * decl.c (cp_complete_array_type): Check error_mark_node.
1205 * typeck.c (cp_perform_integral_promotions): Check the result of
1208 2018-03-02 Jakub Jelinek <jakub@redhat.com>
1211 * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
1212 RETURN instead of return.
1213 <case POINTER_PLUS_EXPR>: Likewise.
1214 <case CONVERT_EXPR>: If op0 is error_mark_node, just return
1215 it instead of wrapping it into CONVERT_EXPR.
1217 2018-03-02 Jason Merrill <jason@redhat.com>
1220 * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
1222 2018-03-02 Marek Polacek <polacek@redhat.com>
1225 * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
1226 wrapped in VIEW_CONVERT_EXPR.
1228 2018-03-01 Martin Sebor <msebor@redhat.com>
1231 * decl.c (check_redeclaration_no_default_args): Merge attributes
1232 specified on redeclarations of the same function template.
1235 2018-03-01 Marek Polacek <polacek@redhat.com>
1236 Jason Merrill <jason@redhat.com>
1239 * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
1241 (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
1242 * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
1243 of instantiate_non_dependent_expr.
1244 * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
1246 2018-03-01 Nathan Sidwell <nathan@acm.org>
1249 * name-lookup.c (member_vec_dedup): Remove manually peeled
1250 iteration. Ignore dependent ctor inheritance.
1252 2018-03-01 Jason Merrill <jason@redhat.com>
1254 PR c++/71569 - decltype of template.
1255 * parser.c (cp_parser_decltype_expr): Handle missing template args.
1257 2018-03-01 Marek Polacek <polacek@redhat.com>
1260 * constexpr.c (require_rvalue_constant_expression): New function.
1261 * cp-tree.h: Declare it.
1262 * semantics.c (finish_static_assert): Use it instead of
1263 require_potential_rvalue_constant_expression.
1265 2018-03-01 Jason Merrill <jason@redhat.com>
1266 Alexandre Oliva <aoliva@redhat.com>
1268 PR c++/71569 - ICE with redundant args on member variable template.
1269 * decl.c (start_decl): Handle partial specialization of member
1271 * pt.c (determine_specialization): Allow partial specialization
1272 of member variable template without specializing enclosing class.
1273 (process_partial_specialization): Improve error message.
1275 2018-02-28 Jason Merrill <jason@redhat.com>
1277 PR c++/71784 - ICE with ref-qualifier and explicit specialization.
1278 * pt.c (determine_specialization): Check ref-qualifier.
1280 2018-02-28 Jakub Jelinek <jakub@redhat.com>
1283 * parser.c (cp_parser_attributes_opt): Formatting fix.
1284 (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
1285 cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
1287 (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
1288 instead of tentative parse to peek over optional attribute tokens
1289 to check for CPP_COLON after them.
1293 * pt.c (INCLUDE_STRING): Remove define.
1294 (warn_spec_missing_attributes): Use pretty_printer instead of
1295 std::string. Fix up inform call so that the list of attributes
1298 2018-02-28 Martin Sebor <msebor@redhat.com>
1301 * decl.c (duplicate_decls): Fully merge attributes const, pure,
1304 2018-02-28 Nathan Sidwell <nathan@acm.org>
1307 * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
1308 * name-lookup.c (fields_linear_search): Look in an anon-aggr
1309 regardless of want_type.
1310 (search_anon_aggr): Just use get_class_binding_direct.
1312 2018-02-28 Jakub Jelinek <jakub@redhat.com>
1314 * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
1317 2018-02-27 Martin Sebor <msebor@redhat.com>
1319 * pt.c: Avoid including <string> directly.
1321 2018-02-27 Martin Sebor <msebor@redhat.com>
1325 * cp-tree.h (warn_spec_missing_attributes): New function.
1326 ((check_explicit_specialization): Add an argument. Call the above
1328 * decl.c (duplicate_decls): Avoid applying primary function template's
1329 attributes to its explicit specializations.
1330 cp/pt.c (warn_spec_missing_attributes): Define.
1332 2018-02-27 HÃ¥kon Sandsmark <hsandsmark@gmail.com>
1334 PR c++/71546 - lambda init-capture with qualified-id.
1335 * parser.c (cp_parser_lambda_introducer): Clear scope after
1336 each lambda capture.
1338 2018-02-27 Nathan Sidwell <nathan@acm.org>
1341 * name-lookup.h (get_member_slot): Rename ...
1342 (find_member_slot): ... here.
1343 (add_member_slot): New.
1344 * name-lookup.c (member_vec_linear_search): No need to check for
1346 (get_member_slot): Rename ...
1347 (find_member_slot): ... here. Don't add slot for incomplete class.
1348 (add_member_slot): New.
1349 * class.c (add_method): Adjust get_member_slot rename. Bail out
1350 if push_class_level_binding fails. Create slot and grok
1351 properties once we're committed to insertion.
1353 2018-02-27 Jason Merrill <jason@redhat.com>
1355 PR c++/84489 - dependent default template argument
1356 * pt.c (type_unification_real): Handle early substitution failure.
1358 2018-02-26 Jason Merrill <jason@redhat.com>
1360 PR c++/84560 - ICE capturing multi-dimensional VLA.
1361 * tree.c (array_of_runtime_bound_p): False if the element is
1364 PR c++/84441 - ICE with base initialized from ?:
1365 * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
1367 PR c++/84520 - ICE with generic lambda in NSDMI.
1368 * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
1369 'this' in a generic lambda instantiation.
1371 PR c++/84559 - ICE with constexpr VLA.
1372 * constexpr.c (ensure_literal_type_for_constexpr_object): Check
1373 for constexpr variable with VLA type.
1375 2018-02-26 Jakub Jelinek <jakub@redhat.com>
1378 * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
1379 a valid constant initializer. Formatting fixes.
1381 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
1384 * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
1385 returning NULL_TREE.
1386 (apply_late_template_attributes): Likewise.
1388 2018-02-26 Jakub Jelinek <jakub@redhat.com>
1391 * parser.c (cp_parser_omp_var_list_no_open): Only call
1392 cp_parser_lookup_name_simple on names satisfying identifier_p.
1393 (cp_parser_oacc_routine): Likewise.
1395 2018-02-26 Jason Merrill <jason@redhat.com>
1397 PR c++/84551 - ICE with concepts and -g.
1398 * parser.c (add_debug_begin_stmt): Do nothing in a concept.
1400 2018-02-26 Marek Polacek <polacek@redhat.com>
1403 * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
1406 2018-02-26 Jason Merrill <jason@redhat.com>
1408 PR c++/84447 - ICE with deleted inherited ctor with default arg.
1409 * call.c (build_over_call): Handle deleted functions in one place.
1411 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
1414 * decl.c (redeclaration_error_message): Don't try to use
1415 DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
1417 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
1419 * lambda.c (build_capture_proxy): Define static.
1420 * cp-tree.h (build_capture_proxy): Remove.
1422 2018-02-26 Marek Polacek <polacek@redhat.com>
1425 * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
1426 if name is error node.
1428 2018-02-25 Jason Merrill <jason@redhat.com>
1430 PR c++/84015 - ICE with class deduction and auto template parm.
1431 * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
1433 2018-02-24 Marek Polacek <polacek@redhat.com>
1436 * constexpr.c (maybe_constant_init_1): New function.
1437 (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
1438 (cxx_constant_init): New function.
1439 * cp-tree.h (cxx_constant_init): Declare.
1440 * typeck2.c (store_init_value): Call cxx_constant_init instead of
1441 cxx_constant_value. Move the maybe_constant_init call under an 'else'.
1443 2018-02-22 Jason Merrill <jason@redhat.com>
1445 PR c++/70468 - ICE with constructor delegation via typedef.
1446 * pt.c (tsubst_initializer_list): Check for other mem-initializers
1447 with constructor delegation.
1449 2018-02-22 Jason Merrill <jason@redhat.com>
1451 PR c++/84424 - ICE with constexpr and __builtin_shuffle.
1452 * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
1455 2018-02-22 Marek Polacek <polacek@redhat.com>
1458 * parser.c (cp_parser_braced_list): Use require_open instead of
1461 2018-02-21 Jason Merrill <jason@redhat.com>
1463 PR c++/84454 - ICE with pack expansion in signature.
1464 * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
1466 2018-02-20 Siddhesh Poyarekar <siddhesh@sourceware.org>
1468 * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
1471 2018-02-20 Paolo Carlini <paolo.carlini@oracle.com>
1474 * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
1477 2018-02-20 Jakub Jelinek <jakub@redhat.com>
1480 * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
1481 TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
1484 * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
1485 returns error_mark_node, return it immediately.
1486 (break_out_target_exprs): If cp_walk_tree with bot_manip returns
1487 error_mark_node, return error_mark_node.
1490 * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
1491 function_depth to avoid GC during finish_lambda_function.
1493 2018-02-19 Jason Merrill <jason@redhat.com>
1495 PR c++/84429 - ICE capturing VLA.
1496 * lambda.c (build_capture_proxy): Handle reference refs.
1498 2018-02-19 Jakub Jelinek <jakub@redhat.com>
1501 * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
1502 either operand is error_mark_node, set current.lhs to that instead of
1503 creating a binary op with error_mark_node operands.
1506 * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
1508 2018-02-19 Paolo Carlini <paolo.carlini@oracle.com>
1511 * decl.c (grokdeclarator): Early return error_mark_node upon
1512 ill-formed friend declaration.
1514 2018-02-16 Marek Polacek <polacek@redhat.com>
1515 Jakub Jelinek <jakub@redhat.com>
1518 * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
1519 set *jump_target to anything if jump_target is NULL.
1521 2018-02-16 Jason Merrill <jason@redhat.com>
1523 PR c++/84151 - unnecessary volatile load with static member.
1524 * call.c (build_new_method_call_1): Avoid loading from a volatile
1525 lvalue used as the object argument for a static member function.
1527 PR c++/81853 - using-directive and constexpr.
1528 * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
1530 PR c++/84420 - ICE with structured binding in lambda.
1531 * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
1533 PR c++/83835 - C++17 error with constructor ctors.
1534 * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
1536 PR c++/82664 - ICE with reference to function template parm.
1537 * pt.c (convert_nontype_argument_function): Avoid obfuscationg
1540 PR c++/82764 - C++17 ICE with empty base
1541 * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
1543 2018-02-16 Jason Merrill <jason@redhat.com>
1545 PR c++/84421 - type-dependent if constexpr
1546 * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
1548 2018-02-16 Nathan Sidwell <nathan@acm.org>
1550 Deprecate -ffriend-injection.
1551 * decl.c (cxx_init_decl_processing): Emit warning on option.
1552 * name-lookup.c (do_pushdecl): Emit warning if we push a visible
1555 2018-02-16 Paolo Carlini <paolo.carlini@oracle.com>
1558 * decl.c (check_special_function_return_type): Reject template
1559 template parameter in deduction guide.
1561 2018-02-16 Nathan Sidwell <nathan@acm.org>
1564 * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
1566 2018-02-15 Jason Merrill <jason@redhat.com>
1568 PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
1569 * call.c (convert_like_real): Don't use the copy-list-initialization
1570 shortcut for ck_base.
1572 PR c++/84045 - ICE with typedef and noexcept.
1573 * except.c (build_noexcept_spec): Use strip_typedefs_expr.
1575 PR c++/84376 - ICE with omitted template arguments.
1576 * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
1578 PR c++/84368 - wrong error with local variable in variadic lambda.
1579 * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
1580 local_specializations.
1582 2018-02-15 Paolo Carlini <paolo.carlini@oracle.com>
1585 * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
1588 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
1591 * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
1594 2018-02-14 Nathan Sidwell <nathan@acm.org>
1596 * decl2.c (mark_vtable_entries): Set input_location to decl's.
1597 (c_parse_final_cleanups): Restore input_location after emitting
1600 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
1602 * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
1603 (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
1604 auto_deduction_context, tree, int): Add defaults.
1605 * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
1606 (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
1607 tsubst_flags_t argument.
1608 * init.c (build_new): Likewise.
1610 2018-02-13 Jakub Jelinek <jakub@redhat.com>
1613 * typeck.c (check_return_expr): Don't emit -Weffc++ warning
1614 about return other than *this in assignment operators if
1615 retval is type dependent expression.
1617 2018-02-13 Paolo Carlini <paolo.carlini@oracle.com>
1620 * call.c (build_conditional_expr_1): Use cp_save_expr instead of
1621 save_expr for the G++ extension.
1623 2018-02-13 Jason Merrill <jason@redhat.com>
1625 PR c++/84080 - ICE with return type deduction and specialization.
1626 * pt.c (determine_specialization): Check uses_template_parms.
1628 Fix more variadic capture issues.
1629 * pt.c (find_parameter_packs_r): Also look at explicit captures.
1630 (check_for_bare_parameter_packs): Check current_class_type for
1632 (extract_locals_r): Handle seeing a full instantiation of a pack.
1633 (tsubst_pack_expansion): Likewise. Force lambda capture.
1634 * parser.c (cp_parser_lambda_introducer): Don't
1635 check_for_bare_parameter_packs.
1637 PR c++/84338 - wrong variadic sizeof.
1638 * pt.c (argument_pack_select_arg): Like the macro, but look through
1640 (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
1641 (extract_fnparm_pack): Do make_pack_expansion.
1642 (extract_locals_r): Do strip a pack expansion.
1643 * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
1645 2018-02-12 Jakub Jelinek <jakub@redhat.com>
1648 * parser.c (cp_parser_binary_expression): Use build_min instead of
1649 build2_loc to build the no_toplevel_fold_p toplevel binary expression.
1651 2018-02-12 Nathan Sidwell <nathan@acm.org>
1654 * parser.c (cp_parser_decltype): Push and pop
1655 deferring_access_checks. Reorganize to avoid goto.
1657 2018-02-12 Richard Biener <rguenther@suse.de>
1660 * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
1661 uniform constructors and delay allocating them fully.
1663 2018-02-09 Jason Merrill <jason@redhat.com>
1665 PR c++/84036 - ICE with variadic capture.
1666 Handle variadic capture proxies more like non-variadic.
1667 * lambda.c (build_capture_proxy): Remove workaround.
1668 * pt.c (find_parameter_packs_r): The proxy is a pack.
1669 (instantiate_class_template_1): Remove dead lambda code.
1670 (extract_fnparm_pack): Don't make_pack_expansion.
1671 (extract_locals_r): Don't strip a pack expansion.
1672 (tsubst_pack_expansion): Handle proxy packs. Use
1673 PACK_EXPANSION_EXTRA_ARGS less.
1674 (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
1675 (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
1676 [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
1677 (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
1678 (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
1680 2018-02-10 Jakub Jelinek <jakub@redhat.com>
1683 * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
1685 2018-02-09 Jason Merrill <jason@redhat.com>
1687 PR c++/81917 - ICE with void_t and partial specialization.
1688 * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
1689 calling most_specialized_partial_spec.
1691 2018-02-09 Nathan Sidwell <nathan@acm.org>
1694 * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
1695 Pass expr location to strict_aliasing_warning.
1697 2018-02-09 Jason Merrill <jason@redhat.com>
1699 PR c++/84296 - ICE with qualified-id in template.
1701 * pt.c (unknown_base_ref_p): New.
1702 (instantiation_dependent_scope_ref_p): Use it instead of
1703 any_dependent_bases_p.
1705 2018-02-09 Marek Polacek <polacek@redhat.com>
1706 Jakub Jelinek <jakub@redhat.com>
1709 * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
1710 fold_indirect_ref_1, including poly_*int64. Verify first that
1711 tree_fits_poly_int64_p (op01). Formatting fixes.
1713 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
1715 * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
1716 * lambda.c (build_capture_proxy): Likewise.
1717 * search.c (field_access_p): Likewise.
1718 * semantics.c (omp_clause_decl, omp_privatize_field,
1719 finish_omp_clauses): Likewise.
1721 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
1724 * typeck.c (decay_conversion): Use mark_rvalue_use for the special
1725 case of nullptr too.
1727 2018-02-08 Nathan Sidwell <nathan@acm.org>
1729 * class.c (finish_struct): Fix std:initializer_list diagnostic
1732 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
1735 * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
1737 2018-02-07 Jakub Jelinek <jakub@redhat.com>
1740 * parser.c (cp_parser_dot_deref_incomplete): New function.
1741 (cp_parser_postfix_dot_deref_expression): Use it.
1743 2018-02-07 David Malcolm <dmalcolm@redhat.com>
1747 * name-lookup.c (suggest_rid_p): New function.
1748 (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
1751 2018-02-07 Jason Merrill <jason@redhat.com>
1753 PR c++/84182 - ICE with captured lambda
1755 * pt.c (extract_locals_r, extract_local_specs): New.
1756 (tsubst_pack_expansion): Use them.
1758 2018-02-07 Martin Liska <mliska@suse.cz>
1761 * class.c (add_method): Append argument value.
1762 * cp-tree.h (maybe_version_functions): Add new argument.
1763 * decl.c (decls_match): Call it if a declaration does not
1764 have DECL_FUNCTION_VERSIONED.
1765 (maybe_version_functions): record argument is added.
1767 2018-02-05 Marek Polacek <polacek@redhat.com>
1769 * class.c: Remove unused global variables.
1770 (build_primary_vtable): Don't gather statistics.
1771 (print_class_statistics): Remove.
1772 * cp-tree.h (print_class_statistics): Remove.
1773 * tree.c (cxx_print_statistics): Don't call print_class_statistics.
1775 2018-02-02 Paolo Carlini <paolo.carlini@oracle.com>
1777 * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
1778 * constexpr.c (cx_check_missing_mem_inits): Likewise.
1779 * decl.c (next_initializable_field, find_decomp_class_base,
1780 cp_finish_decomp): Likewise.
1781 * typeck2.c (process_init_constructor_record): Likewise.
1783 2018-02-02 Jason Merrill <jason@redhat.com>
1785 PR c++/84181 - ICE with lambda parm in template argument.
1786 * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
1788 2018-02-01 Jason Merrill <jason@redhat.com>
1790 PR c++/84160 - ICE with nested variadic capture.
1791 * lambda.c (is_capture_proxy_with_ref): New.
1792 (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
1794 * expr.c (mark_use): Use is_capture_proxy_with_ref.
1795 * constexpr.c (potential_constant_expression_1): Likewise.
1796 * semantics.c (process_outer_var_ref): Likewise.
1798 2018-02-01 Marek Polacek <polacek@redhat.com>
1801 * typeck.c (build_address): Relax the assert when
1802 processing_template_decl.
1804 2018-02-01 Jason Merrill <jason@redhat.com>
1806 PR c++/84126 - ICE with variadic generic lambda
1809 * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
1810 PACK_EXPANSION_EXTRA_ARGS.
1812 2018-02-01 Paolo Carlini <paolo.carlini@oracle.com>
1815 * call.c (convert_like_real): If w're initializing from {} explicitly
1816 call abstract_virtuals_error_sfinae.
1818 2018-01-31 Jason Merrill <jason@redhat.com>
1819 Jakub Jelinek <jakub@redhat.com>
1822 * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
1823 around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
1826 2018-01-31 Jakub Jelinek <jakub@redhat.com>
1829 * constexpr.c (diag_array_subscript): Emit different diagnostics
1830 if TYPE_DOMAIN (arraytype) is NULL.
1831 (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
1832 with NULL TYPE_DOMAIN use size_zero_node as nelts.
1834 2018-01-31 Paolo Carlini <paolo.carlini@oracle.com>
1837 * semantics.c (finish_qualified_id_expr): When handling an
1838 UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
1840 2018-01-31 Marek Polacek <polacek@redhat.com>
1843 * cp-gimplify.c (cp_fold): Check if X is an error node before
1844 calling useless_type_conversion_p.
1846 2018-01-30 Jason Merrill <jason@redhat.com>
1848 PR c++/84091 - ICE with local class in lambda in template.
1849 * decl2.c (determine_visibility): Look for outer containing template
1852 PR c++/84098 - ICE with lambda in template NSDMI.
1853 * pt.c (instantiate_class_template_1): Ignore more lambdas.
1855 2018-01-29 Jason Merrill <jason@redhat.com>
1857 PR c++/68810 - wrong location for reinterpret_cast error.
1858 * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
1861 2018-01-29 Marek Polacek <polacek@redhat.com>
1864 * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
1865 => fooarray[1] in offset_int.
1867 2018-01-29 Jason Merrill <jason@redhat.com>
1869 PR c++/83942 - wrong unused warning with static_cast.
1870 * cvt.c (ocp_convert): Call mark_rvalue_use.
1872 2018-01-26 Jason Merrill <jason@redhat.com>
1874 PR c++/83956 - wrong dtor error with anonymous union
1875 * method.c (walk_field_subobs): Variant members only affect
1877 (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
1879 PR c++/84036 - ICE with variadic capture.
1881 * pt.c (tsubst_pack_expansion): When optimizing a simple
1882 substitution, pull a single pack expansion out of its pack.
1884 PR c++/82514 - ICE with local class in generic lambda.
1885 * pt.c (regenerated_lambda_fn_p): Remove.
1886 (enclosing_instantiation_of): Don't use it.
1887 (tsubst_function_decl): Call enclosing_instantiation_of.
1889 * pt.c (lookup_template_class_1): Add sanity check.
1890 * name-lookup.c (do_pushtag): Don't add closures to local_classes.
1892 2018-01-25 Jakub Jelinek <jakub@redhat.com>
1895 * decl.c (find_decomp_class_base): Ignore unnamed bitfields. Ignore
1896 recursive calls that return ret.
1897 (cp_finish_decomp): Ignore unnamed bitfields.
1899 2018-01-23 Jason Merrill <jason@redhat.com>
1901 PR c++/82249 - wrong mismatched pack length error.
1902 * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
1903 unsubstituted function parameter pack.
1905 2018-01-23 Paolo Carlini <paolo.carlini@oracle.com>
1908 * decl.c (check_for_uninitialized_const_var): Not static; add
1909 bool and tsubst_flags_t parameters; adjust to be used both in
1910 constexpr context and not.
1911 * constexpr.c (potential_constant_expression_1): Use the above.
1912 * cp-tree.h (check_for_uninitialized_const_var): Declare.
1914 2018-01-23 Jason Merrill <jason@redhat.com>
1916 PR c++/83947 - ICE with auto declarations.
1917 * pt.c (do_auto_deduction): Don't deduce from an auto decl.
1918 * decl.c (undeduced_auto_decl): Limit to vars and fns.
1920 2018-01-23 David Malcolm <dmalcolm@redhat.com>
1923 * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
1924 for pointer to member function types.
1926 2018-01-23 Jakub Jelinek <jakub@redhat.com>
1929 * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
1930 DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
1932 2018-01-23 Nathan Sidwell <nathan@acm.org>
1935 * pt.c (tsubst_baselink): Remove optype assert.
1936 * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
1938 2018-01-23 Jakub Jelinek <jakub@redhat.com>
1941 * decl.c (cp_finish_decomp): Diagnose if reference structure binding
1942 refers to incomplete type.
1944 2018-01-23 Nathan Sidwell <nathan@acm.org>
1946 Deprecate ARM-era for scope handling
1947 * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
1948 (cxx_init_decl_processing): Deprecate flag_new_for_scope being
1950 * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
1952 * semantics.c (begin_for_scope): Flag_new_for_scope is
1954 (finish_for_stmt, begin_range_for_stmt): Likewise.
1956 2018-01-22 Jason Merrill <jason@redhat.com>
1959 * decl2.c (determine_visibility): Fix template_decl handling
1960 instead of blocking it.
1962 PR c++/83720 - ICE with lambda and LTO.
1963 * decl2.c (determine_visibility): Clear template_decl for
1964 function-scope decls. Propagate anonymous linkage from containing
1967 2018-01-22 Marek Polacek <polacek@redhat.com>
1970 * typeck2.c (split_nonconstant_init_1): Return false if we didn't
1973 2018-01-22 Ville Voutilainen <ville.voutilainen@gmail.com>
1976 * decl.c (grokdeclarator): Don't diagnose extra parens
1979 2018-01-19 Jakub Jelinek <jakub@redhat.com>
1982 * call.c (joust): Use TREE_TYPE (source) if source is
1983 a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
1986 * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
1987 for direct enum init.
1988 * decl.c (reshape_init): Likewise.
1990 2018-01-19 Marek Polacek <polacek@redhat.com>
1992 * constexpr.c (fold_simple): Simplify.
1994 2018-01-18 Jason Merrill <jason@redhat.com>
1997 * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
1998 * pt.c (instantiation_dependent_scope_ref_p): True if
1999 any_dependent_bases_p.
2001 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
2003 * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
2004 vs DECL_NONTRIVIALLY_INITIALIZED_P).
2006 2018-01-18 Jason Merrill <jason@redhat.com>
2008 PR c++/82461 - constexpr list-initialized member
2009 * constexpr.c (potential_constant_expression_1): Check
2010 TARGET_EXPR_DIRECT_INIT_P.
2012 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
2015 * decl.c (xref_basetypes): Early return upon error about derived
2018 2018-01-18 Nathan Sidwell <nathan@acm.org>
2021 * cp-tree.h (mark_use): Declare.
2022 * expr.c (mark_use): Make extern.
2023 * call.c (direct_reference_binding): Set inner conv's
2024 rvaluedness_matches_p, if it is an identity.
2025 (convert_like_real): Mark lvalue or rvalue use for identity as
2026 rvaledness_matches_p demands.
2028 2018-01-18 Jakub Jelinek <jakub@redhat.com>
2031 * parser.c (attr_chainon): New function.
2032 (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
2033 cp_parser_namespace_definition, cp_parser_init_declarator,
2034 cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
2035 cp_parser_gnu_attributes_opt): Use it.
2036 (cp_parser_member_declaration, cp_parser_objc_class_ivars,
2037 cp_parser_objc_struct_declaration): Likewise. Don't reset
2038 prefix_attributes if attributes is error_mark_node.
2040 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
2043 * decl.c (grokdeclarator): Do not append the error_mark_node
2044 due to an erroneous optional attribute-specifier-seq.
2046 2018-01-17 Jakub Jelinek <jakub@redhat.com>
2049 * cp-gimplify.c (cp_maybe_instrument_return): Handle
2052 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
2055 * constexpr.c (ensure_literal_type_for_constexpr_object): Return
2056 error_mark_node when we give an error.
2057 * decl.c (cp_finish_decl): Use the latter.
2059 2018-01-17 Nathan Sidwell <nathan@acm.org>
2062 * init.c (build_raw_new_expr): Scan list for lookups to keep.
2064 2018-01-17 David Malcolm <dmalcolm@redhat.com>
2067 * expr.c (fold_for_warn): Move from c-common.c, reducing to just
2068 the C++ part. If processing a template, call
2069 fold_non_dependent_expr rather than fully folding.
2071 2018-01-17 Jason Merrill <jason@redhat.com>
2073 PR c++/81067 - redundant NULL warning.
2074 * call.c (convert_like_real): Restore null_node handling.
2076 2018-01-17 Jason Merrill <jason@redhat.com>
2078 PR c++/81843 - ICE with variadic member template.
2080 * pt.c (unify_pack_expansion): Don't try to deduce enclosing
2083 2018-01-17 David Malcolm <dmalcolm@redhat.com>
2086 * pt.c (type_dependent_expression_p): Strip any location wrapper
2087 before testing tree codes.
2088 (selftest::test_type_dependent_expression_p): New function.
2089 (selftest::cp_pt_c_tests): Call it.
2091 2018-01-17 Nathan Sidwell <nathan@acm.org>
2094 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
2095 this not a final instantiation.
2097 2018-01-16 Jason Merrill <jason@redhat.com>
2099 PR c++/83714 - ICE checking return in template.
2100 * typeck.c (check_return_expr): Call build_non_dependent_expr.
2102 2018-01-16 Jakub Jelinek <jakub@redhat.com>
2105 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
2106 is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
2107 instead of CALL_FROM_THUNK_P.
2110 * name-lookup.c (member_vec_dedup): Return early if len is 0.
2111 (resort_type_member_vec, set_class_bindings,
2112 insert_late_enum_def_bindings): Use vec qsort method instead of
2113 calling qsort directly.
2115 2018-01-15 Martin Sebor <msebor@redhat.com>
2118 * class.c (find_flexarrays): Make a record of multiple flexible array
2121 2018-01-12 Jason Merrill <jason@redhat.com>
2123 PR c++/83186 - ICE with static_cast of list-initialized temporary.
2124 * typeck.c (build_static_cast): Use build_non_dependent_expr.
2126 2018-01-12 Nathan Sidwell <nathan@acm.org>
2128 * cp-tree.h (mark_rvalue_use): Add parm name.
2129 * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
2131 * call.c (convert_like_real): Fix formatting.
2133 2018-01-11 Jason Merrill <jason@redhat.com>
2135 PR c++/82728 - wrong -Wunused-but-set-variable
2138 * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
2139 * decl.c (case_conversion): Likewise.
2140 * semantics.c (finish_static_assert): Call
2141 perform_implicit_conversion_flags.
2143 2018-01-11 Nathan Sidwell <nathan@acm.org>
2145 * method.c (enum mangling_flags): Delete long-dead enum.
2147 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
2149 * parser.c (cp_parser_std_attribute_spec): When
2150 token_pair::require_open / require_close return false simply
2151 return error_mark_node, avoid duplicate cp_parser_error about
2152 expected '(' / ')', respectively.
2154 2018-01-10 David Malcolm <dmalcolm@redhat.com>
2157 * call.c (null_ptr_cst_p): Strip location wrappers when
2158 converting from '0' to a pointer type in C++11 onwards.
2159 (conversion_null_warnings): Replace comparison with null_node with
2160 call to null_node_p.
2161 (build_over_call): Likewise.
2162 * cp-gimplify.c (cp_fold): Remove the early bailout when
2163 processing_template_decl.
2164 * cp-lang.c (selftest::run_cp_tests): Call
2165 selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
2166 * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
2167 (selftest::run_cp_tests): Move decl to bottom of file.
2168 (null_node_p): New inline function.
2169 (selftest::cp_pt_c_tests): New decl.
2170 (selftest::cp_tree_c_tests): New decl.
2171 * cvt.c (build_expr_type_conversion): Replace comparison with
2172 null_node with call to null_node_p.
2173 * error.c (args_to_string): Likewise.
2174 * except.c (build_throw): Likewise.
2175 * mangle.c (write_expression): Skip location wrapper nodes.
2176 * parser.c (literal_integer_zerop): New function.
2177 (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
2178 the result for RID_TYPEID. Pass true for new "wrap_locations_p"
2179 param of cp_parser_parenthesized_expression_list. When calling
2180 warn_for_memset, replace integer_zerop calls with
2181 literal_integer_zerop, eliminating the double logical negation
2182 cast to bool. Eliminate the special-casing for CONST_DECL in
2183 favor of the fold_for_warn within warn_for_memset.
2184 (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
2185 param, defaulting to false. Convert "expr" to a cp_expr, and call
2186 maybe_add_location_wrapper on it when wrap_locations_p is true.
2187 (cp_parser_unary_expression): Call maybe_add_location_wrapper on
2188 the result for RID_ALIGNOF and RID_SIZEOF.
2189 (cp_parser_builtin_offsetof): Likewise.
2190 * pt.c: Include "selftest.h".
2191 (tsubst_copy): Handle location wrappers.
2192 (tsubst_copy_and_build): Likewise.
2193 (build_non_dependent_expr): Likewise.
2194 (selftest::test_build_non_dependent_expr): New function.
2195 (selftest::cp_pt_c_tests): New function.
2196 * tree.c: Include "selftest.h".
2197 (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
2198 (selftest::test_lvalue_kind): New function.
2199 (selftest::cp_tree_c_tests): New function.
2200 * typeck.c (string_conv_p): Strip any location wrapper from "exp".
2201 (cp_build_binary_op): Replace comparison with null_node with call
2203 (build_address): Use location of operand when building address
2206 2018-01-10 Marek Polacek <polacek@redhat.com>
2209 * call.c (build_conditional_expr_1): Check complain before warning.
2210 * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
2211 -Wduplicated-branches.
2213 2018-01-10 Jakub Jelinek <jakub@redhat.com>
2216 * call.c (maybe_warn_class_memaccess): Add forward declaration.
2217 Change last argument from tree * to const vec<tree, va_gc> *, adjust
2218 args uses and check number of operands too. Don't strip away any
2219 nops. Use maybe_constant_value when looking for INTEGER_CST args.
2220 Deal with src argument not having pointer type. Check
2221 tree_fits_uhwi_p before calling tree_to_uhwi. Remove useless
2223 (build_over_call): Call maybe_warn_class_memaccess here on the
2225 (build_cxx_call): Rather than here on converted arguments.
2227 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
2230 * init.c (build_vec_init): Avoid building an INIT_EXPR with
2231 error_mark_node as second argument.
2233 2018-01-09 Jakub Jelinek <jakub@redhat.com>
2236 * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
2237 in STATEMENT_LIST. Remove unneeded assert.
2239 2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
2240 Alan Hayward <alan.hayward@arm.com>
2241 David Sherwood <david.sherwood@arm.com>
2243 * constexpr.c (cxx_eval_array_reference): Handle polynomial
2245 (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
2246 * call.c (build_conditional_expr_1): Likewise.
2247 * decl.c (cp_finish_decomp): Likewise.
2248 * mangle.c (write_type): Likewise.
2249 * typeck.c (structural_comptypes): Likewise.
2250 (cp_build_binary_op): Likewise.
2251 * typeck2.c (process_init_constructor_array): Likewise.
2253 2018-01-03 Jakub Jelinek <jakub@redhat.com>
2256 * typeck.c (build_static_cast_1): For static casts to reference types,
2257 call build_base_path with flag_delete_null_pointer_checks as nonnull
2258 instead of always false. When -fsanitize=null, call
2259 ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
2260 * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
2261 call if the first argument is INTEGER_CST with REFERENCE_TYPE.
2263 2018-01-03 Nathan Sidwell <nathan@acm.org>
2266 * method.c (make_alias_for): Copy DECL_CONTEXT.
2268 2018-01-03 Marek Polacek <polacek@redhat.com>
2271 * decl.c (grokdeclarator): Don't warn about MVP in typename context.
2273 2018-01-03 Jakub Jelinek <jakub@redhat.com>
2275 PR preprocessor/83602
2276 * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
2280 * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
2281 error_mark_node, return error_mark_node.
2283 Update copyright years.
2285 2018-01-02 Jakub Jelinek <jakub@redhat.com>
2288 * tree.c (replace_placeholders_r): Pass NULL as last argument to
2289 cp_walk_tree instead of d->pset. If non-TREE_CONSTANT and
2290 non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
2291 to false and return.
2292 (replace_placeholders): Pass NULL instead of &pset as last argument
2295 2018-01-02 Nathan Sidwell <nathan@acm.org>
2297 * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
2300 Copyright (C) 2018 Free Software Foundation, Inc.
2302 Copying and distribution of this file, with or without modification,
2303 are permitted in any medium without royalty provided the copyright
2304 notice and this notice are preserved.