1 2018-04-27 Jason Merrill <jason@redhat.com>
3 PR c++/85545 - ICE with noexcept PMF conversion.
4 * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
6 * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
8 (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
10 2018-04-27 Nathan Sidwell <nathan@acm.org>
12 * typeck.c (convert_ptrmem): Move local var decls to initialization.
14 * cp-tree.h (TEMPLATE_INFO): Fix comments.
15 (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
16 (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
17 (dump, print_other_binding_stacks): Remove declarations.
18 * name-lookup.c (print_other_binding_stack): Make static.
19 * pt.c (build_template_decl): Make static.
21 2018-04-26 Jason Merrill <jason@redhat.com>
23 PR c++/85545 - ICE with noexcept PMF conversion.
24 * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
26 2018-04-25 Nathan Sidwell <nathan@acm.org>
30 * cp-tree.h (REINTERPRET_CAST_P): New.
31 * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
32 Reject REINTERPET_CAST_P conversions. Use cplus_expand_constant
33 for non-trivial PTRMEM_CST cases.
34 * typeck.c (build_nop_reinterpret): New.
35 (build_reinterpret_cast_1): Use it. Set REINTERPRET_CAST_P on
36 NOP_EXPRs returned by cp_convert.
38 2018-04-23 Jason Merrill <jason@redhat.com>
40 PR c++/69560 - wrong alignof(double) on x86.
41 CWG 1879 - Inadequate definition of alignment requirement.
42 * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
43 * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
44 (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
45 (cxx_alignof_expr): Pass it.
46 * parser.c (cp_parser_unary_expression): Pass it.
47 * pt.c (tsubst_copy): Copy it.
48 (tsubst_copy_and_build): Pass it.
49 * decl.c (fold_sizeof_expr): Pass it.
51 2018-04-23 Jakub Jelinek <jakub@redhat.com>
52 Jason Merrill <jason@redhat.com>
54 PR c++/85470 - wrong error with static data member.
55 * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
56 * typeck2.c (store_init_value): Likewise.
58 2018-04-20 Jakub Jelinek <jakub@redhat.com>
61 * cp-tree.h (tinst_level): Remove in_system_header_p member,
62 change refcount member from unsigned char to unsigned short,
63 add refcount_infinity static data member, adjust comments.
64 * pt.c (tinst_level::refcount_infinity): Define.
65 (inc_refcount_use): Remove assert, don't increment if refcount
66 is already refcount_infinity, adjust comment.
67 (dec_refcount_use): Remove assert, don't decrement if refcount
68 is refcount_infinity, adjust comment.
69 (push_tinst_level_loc): Formatting fix.
71 2018-04-19 Paolo Carlini <paolo.carlini@oracle.com>
74 * pt.c (lookup_template_class_1): Check pushtag return value for
77 2018-04-19 Alexandre Oliva <aoliva@redhat.com>
80 * cp-tree.h (tinst_level::free): Fix whitespace.
82 2018-04-18 Paolo Carlini <paolo.carlini@oracle.com>
85 * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
88 2018-04-18 Jakub Jelinek <jakub@redhat.com>
91 * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
92 tricks from here to ...
93 * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here. Only use it
94 if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
96 2018-04-18 Alexandre Oliva <aoliva@redhat.com>
99 * cp-tree.h (struct tinst_level): Split decl into tldcl and
100 targs. Add private split_list_p, tree_list_p, and not_list_p
101 inline const predicates; to_list private member function
102 declaration; free public member function declaration; list_p,
103 get_node and maybe_get_node accessors, and refcount data
104 member. Narrow errors to unsigned short.
105 * error.c (print_instantiation_full_context): Use new
107 (print_instantiation_partial_context_line): Likewise. Drop
108 const from tinst_level-typed parameter.
109 * mangle.c (mangle_decl_string): Likewise.
110 * pt.c (freelist): New template class.
111 (tree_list_freelist_head): New var.
112 (tree_list_freelist): New fn, along with specializations.
113 (tinst_level_freelist_head): New var.
114 (pending_template_freelist_head): Likewise.
115 (tinst_level_freelist, pending_template_freelist): New fns.
116 (tinst_level::to_list, tinst_level::free): Define.
117 (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
118 (set_refcount_ptr): New template fn.
119 (add_pending_template): Adjust for refcounting, freelists and
121 (neglectable_inst_p): Take a NULL d as a non-DECL.
122 (limit_bad_template_recursion): Use new accessors.
123 (push_tinst_level): New overload to create the list.
124 (push_tinst_level_loc): Make it static, split decl into two
125 args, adjust tests and initialization to cope with split
126 lists, use freelist, adjust for refcounting.
127 (push_tinst_level_loc): New wrapper with the old interface.
128 (pop_tinst_level): Adjust for refcounting.
129 (record_last_problematic_instantiation): Likewise.
130 (reopen_tinst_level): Likewise. Use new accessors.
131 (instantiate_alias_template): Adjust for split list.
132 (fn_type_unification): Likewise.
133 (get_partial_spec_bindings): Likewise.
134 (instantiate_pending_templates): Use new accessors. Adjust
135 for refcount. Release pending_template to freelist.
136 (instantiating_current_function_p): Use new accessors.
138 2018-04-16 Alexandre Oliva <aoliva@redhat.com>
141 * parser.c (cp_parser_builtin_offset): Reject type definitions.
142 * mangle.c (nested_anon_class_index): Avoid crash returning -1
143 if we've seen errors.
145 2018-04-12 David Malcolm <dmalcolm@redhat.com>
148 * name-lookup.c (macro_use_before_def::maybe_make): New function,
149 checking that the use is indeed before the definition.
150 (macro_use_before_def::macro_use_before_def): Make private.
151 (macro_use_before_def::~macro_use_before_def): Make private. Move
152 check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
153 (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
154 than using new directly.
156 2018-04-12 Jason Merrill <jason@redhat.com>
158 PR c++/85356 - ICE with pointer to member function.
159 * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
160 flag_noexcept_type. Build the new spec within the function context.
161 * except.c (build_noexcept_spec): Do get constant value in templates
162 if flag_noexcept_type.
163 * decl.c (check_redeclaration_exception_specification): Don't
164 instantiate noexcept on a dependent declaration.
166 2018-04-12 Marek Polacek <polacek@redhat.com>
169 * constexpr.c (reduced_constant_expression_p): Return false for null
172 2018-04-11 Marek Polacek <polacek@redhat.com>
175 * constexpr.c (potential_constant_expression_1): Consider conversions
176 from classes to literal types potentially constant.
178 2018-04-10 Paolo Carlini <paolo.carlini@oracle.com>
181 * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
182 the type like TYPE_PTR_OR_PTRMEM_P.
184 2018-04-10 Jason Merrill <jason@redhat.com>
186 PR debug/65821 - wrong location for main().
187 * call.c (clear_location_r, convert_default_arg): Revert.
188 * tree.c (break_out_target_exprs): Add clear_location parm.
189 (struct bot_data): New.
190 (bot_manip): Clear location if requested.
191 * init.c (get_nsdmi): Pass clear_location.
193 2018-04-10 David Malcolm <dmalcolm@redhat.com>
196 * call.c (get_fndecl_argument_location): Make non-static.
197 * cp-tree.h (get_fndecl_argument_location): New decl.
198 * typeck.c (convert_for_assignment): When complaining due to
199 conversions for an argument, show the location of the parameter
202 2018-04-10 Jakub Jelinek <jakub@redhat.com>
204 PR c++/85312 - P0962 cleanup
205 * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
208 2018-04-10 Jason Merrill <jason@redhat.com>
210 PR debug/65821 - wrong location for main().
211 * call.c (clear_location_r): New.
212 (convert_default_arg): Use it.
213 * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
215 PR c++/85285 - ICE with flexible array after substitution.
216 * pt.c (instantiate_class_template_1): Check for flexible array in
219 2018-04-09 Paolo Carlini <paolo.carlini@oracle.com>
222 * decl.c (cp_finish_decomp): In a template, if the type is incomplete
223 issue a pedwarn and defer trying to do bindings.
225 2018-04-09 Jason Merrill <jason@redhat.com>
227 PR c++/85279 - dump_expr doesn't understand decltype.
228 * error.c (dump_expr): Handle DECLTYPE_TYPE.
230 PR c++/85262 - ICE with redundant qualification on constructor.
231 * call.c (build_new_method_call_1): Move make_args_non_dependent
232 after A::A() handling.
234 PR c++/85277 - ICE with invalid offsetof.
235 * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
236 Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
238 PR c++/85264 - ICE with excess template-parameter-list.
239 * parser.c (cp_parser_check_template_parameters): Add template_id_p
240 parameter. Don't allow an extra template header if true.
241 (cp_parser_class_head): Pass template_id_p.
242 (cp_parser_elaborated_type_specifier): Likewise.
243 (cp_parser_alias_declaration): Likewise.
244 (cp_parser_check_declarator_template_parameters): Likewise.
246 2018-04-09 Jakub Jelinek <jakub@redhat.com>
249 * parser.c (cp_parser_simple_declaration): For structured bindings,
250 if *maybe_range_for_decl is NULL after parsing it, set it to
253 2018-04-09 Jason Merrill <jason@redhat.com>
255 PR c++/85256 - ICE capturing pointer to VLA.
256 * lambda.c (add_capture): Distinguish between variable-size and
257 variably-modified types.
259 2018-04-06 Jason Merrill <jason@redhat.com>
261 PR c++/85214 - ICE with alias, generic lambda, constexpr if.
262 * pt.c (extract_locals_r): Remember local typedefs.
264 2018-04-06 David Malcolm <dmalcolm@redhat.com>
267 * name-lookup.c (struct std_name_hint): Move out of
268 get_std_name_hint; add field "min_dialect".
269 (get_std_name_hint): Add min_dialect values to all initializers.
270 Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
271 <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
272 <shared_mutex>, <string_view>, <thread>, and <variant>.
273 Add fstream, ifstream, and ofstream to <fstream>.
274 Add istringstream, ostringstream, and stringstream to <sstream>.
275 Add basic_string to <string>.
276 Add tuple_element and tuple_size to <tuple>.
277 Add declval to <utility>.
278 Fix ordering of <queue> and <tuple>.
279 Return a std_name_hint, rather than a const char *.
280 (get_cxx_dialect_name): New function.
281 (maybe_suggest_missing_std_header): Detect names that aren't yet
282 available in the current dialect, and instead of suggesting a
283 missing #include, warn about the dialect.
285 2018-04-06 Jakub Jelinek <jakub@redhat.com>
288 * pt.c (tsubst_decomp_names): Return error_mark_node and assert
289 errorcount is set if tsubst doesn't return a VAR_DECL.
291 2018-04-06 David Malcolm <dmalcolm@redhat.com>
294 * name-lookup.c (using_directives_contain_std_p): New function.
295 (has_using_namespace_std_directive_p): New function.
296 (suggest_alternatives_for): Simplify if/else logic using early
297 returns. If no candidates were found, and there's a
298 "using namespace std;" directive, call
299 maybe_suggest_missing_std_header.
300 (maybe_suggest_missing_header): Split later part of the function
302 (maybe_suggest_missing_std_header): New.
304 2018-04-06 Jason Merrill <jason@redhat.com>
306 PR c++/85242 - ICE with class definition in template parm.
307 * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
308 processing_template_parmlist.
310 PR c++/85240 - LTO ICE with using of undeduced auto fn.
311 * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
313 2018-04-05 Jakub Jelinek <jakub@redhat.com>
316 * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
317 is not prev, if prev == decl.
320 * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
321 maybe_apply_pragma_weak here...
322 (cp_maybe_mangle_decomp): ... but call it here instead.
324 2018-04-05 Jason Merrill <jason@redhat.com>
326 PR c++/85136 - ICE with designated init in template.
327 * decl.c (maybe_deduce_size_from_array_init): Handle dependent
328 designated initializer.
329 (check_array_designated_initializer): Update ce->index with the
332 PR c++/83808 - ICE with VLA initialization.
333 * typeck2.c (process_init_constructor_array): Don't require a VLA
334 initializer to have VLA type.
336 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
339 * call.c (convert_like_real): Fail gracefully for a broken
340 std::initializer_list, missing a definition.
342 * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
344 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
347 * decl.c (grokdeclarator): Fix diagnostic about typedef name used
348 as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
350 2018-04-05 Jason Merrill <jason@redhat.com>
352 PR c++/82152 - ICE with class deduction and inherited ctor.
353 * pt.c (do_class_deduction): Ignore inherited ctors.
355 PR c++/84665 - ICE with array of empty class.
356 * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
358 PR c++/85228 - ICE with lambda in enumerator in template.
359 * pt.c (bt_instantiate_type_proc): Don't assume
360 CLASSTYPE_TEMPLATE_INFO is non-null.
362 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
365 * decl.c (find_decomp_class_base): Check accessibility instead
366 of declared access, adjust diagnostic.
368 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
371 * decl.c (get_tuple_decomp_init): Check the templatedness
374 2018-04-05 Jason Merrill <jason@redhat.com>
376 PR c++/85200 - ICE with constexpr if in generic lambda.
377 * pt.c (extract_locals_r): Don't record the local specs of variables
378 declared within the pattern.
380 2018-04-05 Alexandre Oliva <aoliva@redhat.com>
383 * pt.c (check_auto_in_tmpl_args): New.
384 (tsubst_qualified_id): Use it to reject template args
385 referencing auto for non-type templates.
386 * parser.c (cp_parser_template_id): Likewise.
387 * cp-tree.h (check_auto_in_tmpl_args): Declare.
388 * typeck2.c (build_functional_cast): Report correct location
389 for invalid use of auto.
391 2018-04-04 Jason Merrill <jason@redhat.com>
393 PR c++/85215 - ICE with copy-init from conversion.
394 * call.c (merge_conversion_sequences): Fix type of direct binding
397 PR c++/84938 - ICE with division by ~-1.
398 * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
400 PR c++/84936 - ICE with unexpanded pack in mem-initializer.
401 * parser.c (cp_parser_mem_initializer_list): Call
402 check_for_bare_parameter_packs.
404 2018-04-04 Jakub Jelinek <jakub@redhat.com>
407 * constexpr.c (cxx_eval_builtin_function_call): For calls to
408 builtin_valid_in_constant_expr_p functions, don't call
409 cxx_eval_constant_expression if argument is not
410 potential_constant_expression.
413 * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
415 * semantics.c (calculate_bases): Add complain argument. Use
416 complete_type_or_maybe_complain instead of just complete_type and
417 return an empty vector if it fails. Move make_tree_vector () call
418 after early return. Formatting fixes.
419 (calculate_direct_bases): Likewise. Call release_tree_vector at the
421 (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
422 * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
423 calculate_direct_bases callers, formatting fixes.
425 2018-04-04 Jason Merrill <jason@redhat.com>
427 PR c++/85006 - -fconcepts ICE with A<auto...> return type
428 * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
430 PR c++/85200 - ICE with constexpr if in generic lambda.
431 * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
433 PR c++/84221 - bogus -Wunused with attribute and template.
434 * decl2.c (is_late_template_attribute): Handle unused and used
435 normally on non-TYPE_DECL.
437 PR c++/85135 - ICE with omitted template arguments.
438 * decl.c (grokdeclarator): Catch deduced class type in trailing
441 PR c++/85133 - ICE with missing concept initializer.
442 * decl.c (cp_finish_decl): If a concept initializer is missing, use
445 PR c++/85118 - wrong error with generic lambda and std::bind.
446 * call.c (add_template_conv_candidate): Disable if there are any
449 PR c++/85141 - ICE with compound assignment and static member fn.
450 * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
453 PR c++/85148 - ICE with 'this' in array NSDMI.
454 * tree.c (replace_placeholders_r): Use handled_component_p.
456 2018-04-04 Ville Voutilainen <ville.voutilainen@gmail.com>
459 * decl.c (grokfndecl): Handle standard UDL diagnostics here..
460 * parser.c (cp_parser_unqualified_id): ..not here.
462 2018-04-04 Alexandre Oliva <aoliva@redhat.com>
465 * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
467 * decl2.c (mark_used): Return without effects if tf_conv.
469 2018-04-03 Jason Merrill <jason@redhat.com>
471 PR c++/85092 - C++17 ICE with unused list constructor.
472 * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
475 PR c++/85113 - ICE with constexpr and __builtin_constant_p.
476 * constexpr.c (cxx_eval_builtin_function_call): Only defer
477 __builtin_constant_p if ctx->quiet.
479 2018-04-03 Paolo Carlini <paolo.carlini@oracle.com>
482 * pt.c (rewrite_template_parm): If the first argument is
483 error_mark_node return it immediately.
484 (build_deduction_guide): Check the return value of the
485 latter for error_mark_node.
486 (do_class_deduction): Check the return value of the latter.
488 2018-04-03 Jason Merrill <jason@redhat.com>
490 * semantics.c (finish_if_stmt_cond): Use
491 instantiation_dependent_expression_p.
493 PR c++/85149 - generic lambda and constexpr if.
494 * pt.c (build_extra_args, add_extra_args): Split from
495 tsubst_pack_expansion.
496 (tsubst_expr) [IF_STMT]: Use them.
497 * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
499 * typeck.c (merge_types): Limit matching attribute shortcut to
502 2018-04-03 Jakub Jelinek <jakub@redhat.com>
505 * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
508 * name-lookup.c (handle_namespace_attrs): Return early if attributes
512 * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
513 fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
514 instead for static data members clear init and set DECL_EXTERNAL.
516 2018-04-02 Jason Merrill <jason@redhat.com>
518 PR c++/64095 - auto... parameter pack.
519 * parser.c (cp_parser_parameter_declaration): Handle turning autos
521 (cp_parser_parameter_declaration_list): Not here.
523 2018-03-31 Alexandre Oliva <aoliva@redhat.com>
526 * class.c (instantiate_type): Peel off SAVE_EXPR before
529 2018-03-30 Jason Merrill <jason@redhat.com>
531 * typeck2.c (process_init_constructor_record): Use
532 init_list_type_node for the CONSTRUCTOR around an anonymous union
533 designated initializer.
535 2018-03-30 Jakub Jelinek <jakub@redhat.com>
538 * semantics.c (finish_omp_reduction_clause): If
539 OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
540 even if processing_template_decl.
542 2018-03-29 David Malcolm <dmalcolm@redhat.com>
545 * name-lookup.c (get_std_name_hint): Add names from <memory>,
546 <tuple>, and <utility>.
548 2018-03-29 Jason Merrill <jason@redhat.com>
550 PR c++/85093 - too many template args with pack expansion.
551 * pt.c (coerce_template_parms): Keep pack expansion args that will
554 2018-03-29 Jason Merrill <jason@redhat.com>
556 * pt.c (build_non_dependent_expr): Propagate expr location.
558 2018-03-27 Jason Merrill <jason@redhat.com>
560 PR c++/85060 - wrong-code with call to base member in template.
561 * search.c (any_dependent_bases_p): Check uses_template_parms
562 rather than processing_template_decl.
564 2018-03-29 David Malcolm <dmalcolm@redhat.com>
567 * typeck.c (convert_for_assignment): When complaining due to
568 conversions for an argument, attempt to use the location of the
571 2018-03-28 Paolo Carlini <paolo.carlini@oracle.com>
574 * pt.c (tsubst_default_argument): Early return if the type of the
575 parameter is erroneous.
577 2018-03-28 Alexandre Oliva <aoliva@redhat.com>
580 * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
584 * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
586 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
589 * method.c (defaulted_late_check): Partially revert r253321 changes,
590 do not early return upon error.
592 2018-03-27 Jakub Jelinek <jakub@redhat.com>
595 * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
596 type call fold to generate VECTOR_CSTs when possible.
599 * tree.c (cp_build_reference_type): If to_type is error_mark_node,
600 return it right away.
602 2018-03-27 Volker Reichelt <v.reichelt@netcologne.de>
604 * search.c (check_final_overrider): Use inform instead of error
605 for the diagnostics of the overridden functions. Tweak wording.
607 2018-03-27 Jakub Jelinek <jakub@redhat.com>
610 * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
611 is NULL. Assert if thunk_binfo is NULL then errorcount is non-zero.
613 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
614 Jason Merrill <jason@redhat.com>
617 * init.c (build_aggr_init): When initializing from array,
618 reject anything but CONSTRUCTORs and TARGET_EXPRs.
619 (build_vec_init): Handle separately ARRAY_TYPEs.
621 2018-03-26 Jason Merrill <jason@redhat.com>
623 PR c++/85062 - ICE with alignas in wrong place.
624 * decl.c (grokdeclarator): Ignore attributes on type-specifiers
627 PR c++/85049 - ICE with __integer_pack.
628 * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
629 * cp-tree.h (TEMPLATE_PARM_P): New.
631 2018-03-23 Jason Merrill <jason@redhat.com>
633 PR c++/78489 - wrong SFINAE behavior.
636 * pt.c (type_unification_real): Don't defer substitution failure.
638 2018-03-23 Jakub Jelinek <jakub@redhat.com>
641 * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
645 * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
646 cp_build_unary_op call with gcc_unreachable ().
648 2018-03-23 Marek Polacek <polacek@redhat.com>
651 * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
652 Handle EXACT_DIV_EXPR and RDIV_EXPR. Tweak condition.
653 (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
655 2018-03-23 Ville Voutilainen <ville.voutilainen@gmail.com>
658 * parser.c (cp_parser_perform_range_for_lookup): Change
659 the condition for deciding whether to use members.
661 2018-03-23 Marek Polacek <polacek@redhat.com>
664 * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
666 2018-03-23 Alexandre Oliva <aoliva@redhat.com>
669 * parser.c (cp_parser_alias_declaration): Call
670 parser_check_template_parameters.
673 * pt.c (resolve_typename_type): Drop assert that stopped
674 simplification to template-independent types. Add assert to
675 verify the initial scope is template dependent.
676 * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
677 Reparse the id expression as a type-name, not a declarator.
680 * init.c (build_vec_init): Error at parenthesized array init.
685 * cp-tree.h (temp_override): New template class, generalizing
686 a cleanup that was only used...
687 * parser.c (cp_parser_parameter_declaration_clause):
688 ... here for auto_is_implicit_function_template_parm_p.
689 (cp_parser_gnu_attributes_opt): Use it here as well.
690 (cp_parser_std_attribute): Likewise.
692 2018-03-22 Marek Polacek <polacek@redhat.com>
695 * semantics.c (finish_if_stmt_cond): Check if the type of the condition
698 2018-03-21 Jason Merrill <jason@redhat.com>
700 PR c++/81311 - wrong C++17 overload resolution.
701 * call.c (build_user_type_conversion_1): Remove C++17 code.
702 (conv_binds_ref_to_prvalue): New.
703 (build_over_call): Handle C++17 copy elision.
704 (build_special_member_call): Only do C++17 copy elision here if the
705 argument is already the right type.
707 2018-03-21 Alexandre Oliva <aoliva@redhat.com>
710 * init.c (build_vec_init): Silence error, former sorry,
715 * parser.c (abort_fully_implicit_template_p): New.
716 (cp_parser_skip_to_end_of_statement): Use it.
717 (cp_parser_skip_to_end_of_block_or_statement): Likewise.
718 (finish_fully_implicit_template_p): Clear
719 implicit_template_parms and implicit_template_scope.
721 2018-03-21 Paolo Carlini <paolo.carlini@oracle.com>
724 * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
725 error_mark_node when check_array_designated_initializer fails.
727 2018-03-21 Jakub Jelinek <jakub@redhat.com>
730 * cp-tree.h (genericize_compound_lvalue): Declare.
731 * typeck.c (genericize_compound_lvalue): New function.
732 (unary_complex_lvalue, cp_build_modify_expr): Use it.
733 * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
734 and PREDECREMENT_EXPR in output and "m" constrained input operands with
735 COMPOUND_EXPR. Call cxx_mark_addressable on the rightmost
736 COMPOUND_EXPR operand.
738 2018-03-21 Nathan Sidwell <nathan@acm.org>
741 * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
742 * decl2.c (vague_linkage_p): Likewise.
744 2018-03-21 David Malcolm <dmalcolm@redhat.com>
747 * constexpr.c (constexpr_fn_retval): Make non-"static".
748 * cp-tree.h (constexpr_fn_retval): New decl.
749 * search.c (direct_accessor_p): Update leading comment.
750 (reference_accessor_p): Likewise.
751 (field_accessor_p): Replace check that function body is a
752 RETURN_EXPR with a call to constexpr_fn_retval. Fix
753 indentation of "field_type" decl.
755 2018-03-21 Nathan Sidwell <nathan@acm.org>
758 * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
761 2018-03-21 Martin Sebor <msebor@redhat.com>
764 * call.c (first_non_public_field): New template and function.
765 (first_non_trivial_field): New function.
766 (maybe_warn_class_memaccess): Call them.
768 2018-03-21 David Malcolm <dmalcolm@redhat.com>
771 * search.c (field_accessor_p): Use class_of_this_parm rather than
772 type_of_this_parm, to check that "this" is a "const T *", rather
775 2018-03-21 Nathan Sidwell <nathan@acm.org>
777 * class.c (finish_struct_anon_r): Refactor, deprecate anything
778 other than public non-static data members.
779 * parser.c (cp_parser_init_declarator): Deprecate attributes after
780 parenthesized initializer.
783 * name-lookup.c (update_binding): Correct logic for local binding
786 2018-03-21 Marek Polacek <polacek@redhat.com>
788 PR c++/71638, ICE with NSDMI and reference.
789 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
790 even when we replace an element.
792 2018-03-20 Marek Polacek <polacek@redhat.com>
794 PR c++/84978, ICE with NRVO.
795 * constexpr.c (cxx_eval_constant_expression): Handle the case when
796 a RESULT_DECL isn't in the hash map.
798 2018-03-20 Jason Merrill <jason@redhat.com>
800 PR c++/84978, ICE with NRVO.
801 * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
802 (cp_get_callee_fndecl_nofold): New.
803 * cp-gimplify.c (cp_genericize_r): Use it instead.
804 * call.c (check_self_delegation): Likewise.
806 2018-03-20 Nathan Sidwell <nathan@acm.org>
809 * name-lookup.c (pushdecl_class_level): Push anon-struct's
810 member_vec, if there is one.
813 * cp-tree.h (lookup_list_keep): Declare.
814 * tree.c (lookup_list_keep): New, broken out of ...
815 (build_min): ... here. Call it.
816 * decl.c (cp_finish_decl): Call lookup_list_keep.
818 2018-03-19 Jason Merrill <jason@redhat.com>
820 PR c++/84937 - ICE with class deduction and auto.
821 * pt.c (rewrite_template_parm): Fix auto handling.
823 2018-03-19 Marek Polacek <polacek@redhat.com>
826 * pt.c (enclosing_instantiation_of): Check if fn is null.
829 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
830 as we evaluate the elements.
831 (cxx_eval_constant_expression): Verify constructor's flags
834 2018-03-19 Jason Merrill <jason@redhat.com>
836 PR c++/71834 - template-id with too few arguments.
837 * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
839 2018-03-19 Nathan Sidwell <nathan@acm.org>
842 * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
843 * pt.c (build_template_decl): Propagate language linkage.
846 * name-lookup.c (set_local_extern_decl_linkage): Defend against
849 2018-03-16 Jakub Jelinek <jakub@redhat.com>
852 * parser.c (cp_parser_lambda_introducer): Remove trailing space from
854 * method.c (synthesize_method): Likewise.
855 * pt.c (convert_nontype_argument): Likewise.
857 2018-03-16 Jason Merrill <jason@redhat.com>
859 PR c++/84720 - ICE with rvalue ref non-type argument.
860 * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
861 (convert_nontype_argument): Revert earlier change.
863 PR c++/80227 - SFINAE and negative array size.
864 * decl.c (compute_array_index_type): Use
865 build_converted_constant_expr and valid_constant_size_p.
867 PR c++/84906 - silent wrong code with ambiguous conversion.
868 * call.c (build_user_type_conversion_1): Set need_temporary_p on
869 ambiguous conversion.
870 (convert_like_real): Check it.
872 PR c++/83937 - wrong C++17 handling of init-list ctor argument.
873 * call.c (build_special_member_call): Don't convert an init-list
874 argument directly to the class type.
876 2018-03-16 Jakub Jelinek <jakub@redhat.com>
880 * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
881 (find_placeholder): Declare.
882 * tree.c (struct replace_placeholders_t): Add exp member.
883 (replace_placeholders_r): Don't walk into ctors with
884 CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
885 d->exp. Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
886 (replace_placeholders): Initialize data.exp.
887 (find_placeholders_r, find_placeholders): New functions.
888 * typeck2.c (process_init_constructor_record,
889 process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
890 if adding NSDMI on which find_placeholder returns true.
891 * call.c (build_over_call): Don't call replace_placeholders here.
892 * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
893 TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
895 (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
898 2018-03-16 Jason Merrill <jason@redhat.com>
900 PR c++/83911 - ICE with multiversioned constructor.
901 * cp-gimplify.c (cp_genericize_r): Replace versioned function with
903 * call.c (build_over_call): Not here.
905 2018-03-16 Jakub Jelinek <jakub@redhat.com>
908 * decl.c (reshape_init_class): Don't assert d->cur->index == field
909 if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
911 2018-03-15 Jakub Jelinek <jakub@redhat.com>
914 * cp-tree.h (cp_warn_deprecated_use): Declare.
915 * tree.c (cp_warn_deprecated_use): New function.
916 * typeck2.c (build_functional_cast): Use it.
917 * decl.c (grokparms): Likewise.
918 (grokdeclarator): Likewise. Temporarily push nested class scope
919 around grokparms call for out of class member definitions.
921 2018-03-14 Jason Merrill <jason@redhat.com>
923 PR c++/84820 - no error for invalid qualified-id.
924 * parser.c (cp_parser_make_indirect_declarator): Don't wrap
927 PR c++/84801 - ICE with unexpanded pack in lambda.
928 * pt.c (check_for_bare_parameter_packs): Don't return early for a
929 lambda in non-template context.
931 PR c++/81236 - auto variable and auto function
932 * pt.c (tsubst_baselink): Update the type of the BASELINK after
935 2018-03-14 Jason Merrill <jason@redhat.com>
937 PR c++/83916 - ICE with template template parameters.
938 * pt.c (convert_template_argument): Don't substitute into type of
939 non-type parameter if we don't have enough arg levels.
942 2018-03-14 Marek Polacek <polacek@redhat.com>
945 * semantics.c (finish_static_assert): Check
946 instantiation_dependent_expression_p instead of
947 {type,value}_dependent_expression_p.
949 2018-03-13 Paolo Carlini <paolo.carlini@oracle.com>
950 Jason Merrill <jason@redhat.com>
952 PR c++/82336 - link error with list-init default argument.
953 * decl.c (check_default_argument): Unshare an initializer list.
955 2018-03-13 Jakub Jelinek <jakub@redhat.com>
958 * decl.c (duplicate_decls): For redefinition of built-in, use error
959 and return error_mark_node. For redeclaration, return error_mark_node
960 rather than olddecl if !flag_permissive.
962 2018-03-13 Jason Merrill <jason@redhat.com>
964 PR c++/82565 - ICE with concepts and generic lambda.
965 * pt.c (instantiate_decl): Clear fn_context for lambdas.
967 2018-03-13 Jason Merrill <jason@redhat.com>
969 PR c++/84720 - ICE with rvalue ref non-type argument.
970 * pt.c (convert_nontype_argument): Handle rvalue references.
972 PR c++/84839 - ICE with decltype of parameter pack.
973 * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
974 instantiating dummy parms.
976 * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
977 parameter even without -Wpedantic.
979 PR c++/84798 - ICE with auto in abstract function declarator.
980 * parser.c (cp_parser_parameter_declaration_clause): Check
981 parser->default_arg_ok_p.
983 2018-03-13 Jakub Jelinek <jakub@redhat.com>
986 * constexpr.c (find_array_ctor_elt): Don't use elt reference after
987 first potential CONSTRUCTOR_ELTS reallocation. Convert dindex to
988 sizetype. Formatting fixes.
990 2018-03-12 Jason Merrill <jason@redhat.com>
992 PR c++/84355 - ICE with deduction for member class template.
993 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
994 CLASS_PLACEHOLDER_TEMPLATE.
996 PR c++/84802 - ICE capturing uninstantiated class.
997 * lambda.c (build_capture_proxy): Call complete_type.
999 2018-03-09 Jason Merrill <jason@redhat.com>
1001 PR c++/84770 - ICE with typedef and parameter pack.
1002 * pt.c (verify_unstripped_args_1): Split out from
1003 verify_unstripped_args.
1005 PR c++/84785 - ICE with alias template and default targs.
1006 * pt.c (type_unification_real): Set processing_template_decl if
1009 PR c++/84752 - ICE with capture of constexpr array.
1010 * call.c (standard_conversion): Set rvaluedness_matches_p on the
1011 identity conversion under ck_lvalue.
1013 2018-03-09 Jason Merrill <jason@redhat.com>
1014 Paolo Carlini <paolo.carlini@oracle.com>
1018 * pt.c (any_erroneous_template_args_p): New.
1019 * cp-tree.h (any_erroneous_template_args_p): Declare it.
1020 * parser.c (cp_parser_class_specifier_1): Use it.
1022 2018-03-09 Jason Merrill <jason@redhat.com>
1024 PR c++/84726 - unnecessary capture of constant vars.
1025 * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
1026 (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
1027 * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
1028 * lambda.c (is_constant_capture_proxy)
1029 (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
1030 (prune_lambda_captures): New.
1031 (finish_lambda_function): Call prune_lambda_captures.
1033 2018-03-09 Jason Merrill <jason@redhat.com>
1034 Jakub Jelinek <jakub@redhat.com>
1037 * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
1038 build ADDR_EXPR with REFERENCE_TYPE.
1039 (build_over_call): For purposes of check_function_arguments, if
1040 argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
1041 its operand rather than the argument itself.
1043 2018-03-09 Jakub Jelinek <jakub@redhat.com>
1046 * decl.c (duplicate_decls): Don't override __* prefixed builtins
1047 except for __[^b]*_chk, instead issue permerror and for -fpermissive
1048 also a note and return olddecl.
1050 2018-03-09 Nathan Sidwell <nathan@acm.org>
1053 * name-lookup.c (do_pushdecl_with_scope): Only clear
1054 current_function_decl when pushing a non-class (i.e. namespace)
1057 2018-03-08 Jason Merrill <jason@redhat.com>
1058 Jakub Jelinek <jakub@redhat.com>
1061 * call.c (build_over_call): In templates set TREE_USED (first_fn) when
1062 not calling mark_used for the benefit of -Wunused-function warning.
1064 2018-03-06 Jason Merrill <jason@redhat.com>
1066 * lambda.c (is_capture_proxy_with_ref): Remove.
1067 * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
1069 2018-03-06 Marek Polacek <polacek@redhat.com>
1072 * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
1075 2018-03-06 Alexandre Oliva <aoliva@redhat.com>
1078 * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
1079 only while processing template decls.
1080 * typeck.c (build_x_conditional_expr): Move wrapping of
1081 reference type around type...
1082 * call.c (build_conditional_expr_1): ... here. Rename
1083 is_lvalue to is_glvalue.
1084 * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
1085 INDIRECT_REF of COND_EXPR too.
1088 * init.c (build_zero_init_1): Zero-initialize references.
1091 * semantics.c (finish_stmt_expr_expr): Reject unresolved
1092 overloads used as stmt expr values.
1094 2018-03-05 Jason Merrill <jason@redhat.com>
1096 PR c++/84708 - ICE with lambda in local class NSDMI.
1097 * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
1100 2018-03-05 Jakub Jelinek <jakub@redhat.com>
1103 * constexpr.c (constexpr_call_hasher::equal): Return false if
1104 lhs->hash != rhs->hash. Change return 1 to return true and
1105 return 0 to return false.
1107 2018-03-05 Nathan Sidwell <nathan@acm.org>
1110 * pt.c (process_template_arg): Mark lookup_keep on a default arg.
1112 2018-03-05 Marek Polacek <polacek@redhat.com>
1115 * decl.c (duplicate_decls): Check DECL_NAME before accessing
1118 2018-03-05 Nathan Sidwell <nathan@acm.org>
1121 * friend.c (do_friend): Restore check for identifier_p inside
1124 2018-03-05 Paolo Carlini <paolo.carlini@oracle.com>
1127 * parser.c (cp_parser_lambda_introducer): Reject any capture not
1128 involving a VAR_DECL or a PARM_DECL.
1130 2018-03-05 Pádraig Brady <P@draigBrady.com>
1131 Jason Merrill <jason@redhat.com>
1132 Nathan Sidwell <nathan@acm.org>
1135 * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
1137 2018-03-03 Jason Merrill <jason@redhat.com>
1139 PR c++/84686 - missing volatile loads.
1140 * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
1142 2018-03-03 Paolo Carlini <paolo.carlini@oracle.com>
1145 * optimize.c (maybe_thunk_body): Bail out immediately if either
1146 fns[0] or fns[1] is null.
1148 2018-03-02 Marek Polacek <polacek@redhat.com>
1151 * constexpr.c (get_array_or_vector_nelts): New.
1152 (cxx_eval_array_reference): Use it.
1153 (cxx_eval_vec_init_1): Likewise.
1154 (cxx_eval_store_expression): Likewise.
1156 2018-03-02 Jason Merrill <jason@redhat.com>
1158 * semantics.c (force_paren_expr): Remove redundant test.
1160 2018-03-02 Marek Polacek <polacek@redhat.com>
1163 * decl.c (cp_complete_array_type): Check error_mark_node.
1166 * typeck.c (cp_perform_integral_promotions): Check the result of
1169 2018-03-02 Jakub Jelinek <jakub@redhat.com>
1172 * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
1173 RETURN instead of return.
1174 <case POINTER_PLUS_EXPR>: Likewise.
1175 <case CONVERT_EXPR>: If op0 is error_mark_node, just return
1176 it instead of wrapping it into CONVERT_EXPR.
1178 2018-03-02 Jason Merrill <jason@redhat.com>
1181 * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
1183 2018-03-02 Marek Polacek <polacek@redhat.com>
1186 * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
1187 wrapped in VIEW_CONVERT_EXPR.
1189 2018-03-01 Martin Sebor <msebor@redhat.com>
1192 * decl.c (check_redeclaration_no_default_args): Merge attributes
1193 specified on redeclarations of the same function template.
1196 2018-03-01 Marek Polacek <polacek@redhat.com>
1197 Jason Merrill <jason@redhat.com>
1200 * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
1202 (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
1203 * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
1204 of instantiate_non_dependent_expr.
1205 * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
1207 2018-03-01 Nathan Sidwell <nathan@acm.org>
1210 * name-lookup.c (member_vec_dedup): Remove manually peeled
1211 iteration. Ignore dependent ctor inheritance.
1213 2018-03-01 Jason Merrill <jason@redhat.com>
1215 PR c++/71569 - decltype of template.
1216 * parser.c (cp_parser_decltype_expr): Handle missing template args.
1218 2018-03-01 Marek Polacek <polacek@redhat.com>
1221 * constexpr.c (require_rvalue_constant_expression): New function.
1222 * cp-tree.h: Declare it.
1223 * semantics.c (finish_static_assert): Use it instead of
1224 require_potential_rvalue_constant_expression.
1226 2018-03-01 Jason Merrill <jason@redhat.com>
1227 Alexandre Oliva <aoliva@redhat.com>
1229 PR c++/71569 - ICE with redundant args on member variable template.
1230 * decl.c (start_decl): Handle partial specialization of member
1232 * pt.c (determine_specialization): Allow partial specialization
1233 of member variable template without specializing enclosing class.
1234 (process_partial_specialization): Improve error message.
1236 2018-02-28 Jason Merrill <jason@redhat.com>
1238 PR c++/71784 - ICE with ref-qualifier and explicit specialization.
1239 * pt.c (determine_specialization): Check ref-qualifier.
1241 2018-02-28 Jakub Jelinek <jakub@redhat.com>
1244 * parser.c (cp_parser_attributes_opt): Formatting fix.
1245 (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
1246 cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
1248 (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
1249 instead of tentative parse to peek over optional attribute tokens
1250 to check for CPP_COLON after them.
1254 * pt.c (INCLUDE_STRING): Remove define.
1255 (warn_spec_missing_attributes): Use pretty_printer instead of
1256 std::string. Fix up inform call so that the list of attributes
1259 2018-02-28 Martin Sebor <msebor@redhat.com>
1262 * decl.c (duplicate_decls): Fully merge attributes const, pure,
1265 2018-02-28 Nathan Sidwell <nathan@acm.org>
1268 * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
1269 * name-lookup.c (fields_linear_search): Look in an anon-aggr
1270 regardless of want_type.
1271 (search_anon_aggr): Just use get_class_binding_direct.
1273 2018-02-28 Jakub Jelinek <jakub@redhat.com>
1275 * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
1278 2018-02-27 Martin Sebor <msebor@redhat.com>
1280 * pt.c: Avoid including <string> directly.
1282 2018-02-27 Martin Sebor <msebor@redhat.com>
1286 * cp-tree.h (warn_spec_missing_attributes): New function.
1287 ((check_explicit_specialization): Add an argument. Call the above
1289 * decl.c (duplicate_decls): Avoid applying primary function template's
1290 attributes to its explicit specializations.
1291 cp/pt.c (warn_spec_missing_attributes): Define.
1293 2018-02-27 HÃ¥kon Sandsmark <hsandsmark@gmail.com>
1295 PR c++/71546 - lambda init-capture with qualified-id.
1296 * parser.c (cp_parser_lambda_introducer): Clear scope after
1297 each lambda capture.
1299 2018-02-27 Nathan Sidwell <nathan@acm.org>
1302 * name-lookup.h (get_member_slot): Rename ...
1303 (find_member_slot): ... here.
1304 (add_member_slot): New.
1305 * name-lookup.c (member_vec_linear_search): No need to check for
1307 (get_member_slot): Rename ...
1308 (find_member_slot): ... here. Don't add slot for incomplete class.
1309 (add_member_slot): New.
1310 * class.c (add_method): Adjust get_member_slot rename. Bail out
1311 if push_class_level_binding fails. Create slot and grok
1312 properties once we're committed to insertion.
1314 2018-02-27 Jason Merrill <jason@redhat.com>
1316 PR c++/84489 - dependent default template argument
1317 * pt.c (type_unification_real): Handle early substitution failure.
1319 2018-02-26 Jason Merrill <jason@redhat.com>
1321 PR c++/84560 - ICE capturing multi-dimensional VLA.
1322 * tree.c (array_of_runtime_bound_p): False if the element is
1325 PR c++/84441 - ICE with base initialized from ?:
1326 * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
1328 PR c++/84520 - ICE with generic lambda in NSDMI.
1329 * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
1330 'this' in a generic lambda instantiation.
1332 PR c++/84559 - ICE with constexpr VLA.
1333 * constexpr.c (ensure_literal_type_for_constexpr_object): Check
1334 for constexpr variable with VLA type.
1336 2018-02-26 Jakub Jelinek <jakub@redhat.com>
1339 * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
1340 a valid constant initializer. Formatting fixes.
1342 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
1345 * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
1346 returning NULL_TREE.
1347 (apply_late_template_attributes): Likewise.
1349 2018-02-26 Jakub Jelinek <jakub@redhat.com>
1352 * parser.c (cp_parser_omp_var_list_no_open): Only call
1353 cp_parser_lookup_name_simple on names satisfying identifier_p.
1354 (cp_parser_oacc_routine): Likewise.
1356 2018-02-26 Jason Merrill <jason@redhat.com>
1358 PR c++/84551 - ICE with concepts and -g.
1359 * parser.c (add_debug_begin_stmt): Do nothing in a concept.
1361 2018-02-26 Marek Polacek <polacek@redhat.com>
1364 * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
1367 2018-02-26 Jason Merrill <jason@redhat.com>
1369 PR c++/84447 - ICE with deleted inherited ctor with default arg.
1370 * call.c (build_over_call): Handle deleted functions in one place.
1372 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
1375 * decl.c (redeclaration_error_message): Don't try to use
1376 DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
1378 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
1380 * lambda.c (build_capture_proxy): Define static.
1381 * cp-tree.h (build_capture_proxy): Remove.
1383 2018-02-26 Marek Polacek <polacek@redhat.com>
1386 * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
1387 if name is error node.
1389 2018-02-25 Jason Merrill <jason@redhat.com>
1391 PR c++/84015 - ICE with class deduction and auto template parm.
1392 * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
1394 2018-02-24 Marek Polacek <polacek@redhat.com>
1397 * constexpr.c (maybe_constant_init_1): New function.
1398 (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
1399 (cxx_constant_init): New function.
1400 * cp-tree.h (cxx_constant_init): Declare.
1401 * typeck2.c (store_init_value): Call cxx_constant_init instead of
1402 cxx_constant_value. Move the maybe_constant_init call under an 'else'.
1404 2018-02-22 Jason Merrill <jason@redhat.com>
1406 PR c++/70468 - ICE with constructor delegation via typedef.
1407 * pt.c (tsubst_initializer_list): Check for other mem-initializers
1408 with constructor delegation.
1410 2018-02-22 Jason Merrill <jason@redhat.com>
1412 PR c++/84424 - ICE with constexpr and __builtin_shuffle.
1413 * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
1416 2018-02-22 Marek Polacek <polacek@redhat.com>
1419 * parser.c (cp_parser_braced_list): Use require_open instead of
1422 2018-02-21 Jason Merrill <jason@redhat.com>
1424 PR c++/84454 - ICE with pack expansion in signature.
1425 * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
1427 2018-02-20 Siddhesh Poyarekar <siddhesh@sourceware.org>
1429 * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
1432 2018-02-20 Paolo Carlini <paolo.carlini@oracle.com>
1435 * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
1438 2018-02-20 Jakub Jelinek <jakub@redhat.com>
1441 * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
1442 TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
1445 * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
1446 returns error_mark_node, return it immediately.
1447 (break_out_target_exprs): If cp_walk_tree with bot_manip returns
1448 error_mark_node, return error_mark_node.
1451 * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
1452 function_depth to avoid GC during finish_lambda_function.
1454 2018-02-19 Jason Merrill <jason@redhat.com>
1456 PR c++/84429 - ICE capturing VLA.
1457 * lambda.c (build_capture_proxy): Handle reference refs.
1459 2018-02-19 Jakub Jelinek <jakub@redhat.com>
1462 * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
1463 either operand is error_mark_node, set current.lhs to that instead of
1464 creating a binary op with error_mark_node operands.
1467 * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
1469 2018-02-19 Paolo Carlini <paolo.carlini@oracle.com>
1472 * decl.c (grokdeclarator): Early return error_mark_node upon
1473 ill-formed friend declaration.
1475 2018-02-16 Marek Polacek <polacek@redhat.com>
1476 Jakub Jelinek <jakub@redhat.com>
1479 * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
1480 set *jump_target to anything if jump_target is NULL.
1482 2018-02-16 Jason Merrill <jason@redhat.com>
1484 PR c++/84151 - unnecessary volatile load with static member.
1485 * call.c (build_new_method_call_1): Avoid loading from a volatile
1486 lvalue used as the object argument for a static member function.
1488 PR c++/81853 - using-directive and constexpr.
1489 * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
1491 PR c++/84420 - ICE with structured binding in lambda.
1492 * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
1494 PR c++/83835 - C++17 error with constructor ctors.
1495 * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
1497 PR c++/82664 - ICE with reference to function template parm.
1498 * pt.c (convert_nontype_argument_function): Avoid obfuscationg
1501 PR c++/82764 - C++17 ICE with empty base
1502 * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
1504 2018-02-16 Jason Merrill <jason@redhat.com>
1506 PR c++/84421 - type-dependent if constexpr
1507 * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
1509 2018-02-16 Nathan Sidwell <nathan@acm.org>
1511 Deprecate -ffriend-injection.
1512 * decl.c (cxx_init_decl_processing): Emit warning on option.
1513 * name-lookup.c (do_pushdecl): Emit warning if we push a visible
1516 2018-02-16 Paolo Carlini <paolo.carlini@oracle.com>
1519 * decl.c (check_special_function_return_type): Reject template
1520 template parameter in deduction guide.
1522 2018-02-16 Nathan Sidwell <nathan@acm.org>
1525 * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
1527 2018-02-15 Jason Merrill <jason@redhat.com>
1529 PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
1530 * call.c (convert_like_real): Don't use the copy-list-initialization
1531 shortcut for ck_base.
1533 PR c++/84045 - ICE with typedef and noexcept.
1534 * except.c (build_noexcept_spec): Use strip_typedefs_expr.
1536 PR c++/84376 - ICE with omitted template arguments.
1537 * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
1539 PR c++/84368 - wrong error with local variable in variadic lambda.
1540 * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
1541 local_specializations.
1543 2018-02-15 Paolo Carlini <paolo.carlini@oracle.com>
1546 * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
1549 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
1552 * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
1555 2018-02-14 Nathan Sidwell <nathan@acm.org>
1557 * decl2.c (mark_vtable_entries): Set input_location to decl's.
1558 (c_parse_final_cleanups): Restore input_location after emitting
1561 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
1563 * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
1564 (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
1565 auto_deduction_context, tree, int): Add defaults.
1566 * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
1567 (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
1568 tsubst_flags_t argument.
1569 * init.c (build_new): Likewise.
1571 2018-02-13 Jakub Jelinek <jakub@redhat.com>
1574 * typeck.c (check_return_expr): Don't emit -Weffc++ warning
1575 about return other than *this in assignment operators if
1576 retval is type dependent expression.
1578 2018-02-13 Paolo Carlini <paolo.carlini@oracle.com>
1581 * call.c (build_conditional_expr_1): Use cp_save_expr instead of
1582 save_expr for the G++ extension.
1584 2018-02-13 Jason Merrill <jason@redhat.com>
1586 PR c++/84080 - ICE with return type deduction and specialization.
1587 * pt.c (determine_specialization): Check uses_template_parms.
1589 Fix more variadic capture issues.
1590 * pt.c (find_parameter_packs_r): Also look at explicit captures.
1591 (check_for_bare_parameter_packs): Check current_class_type for
1593 (extract_locals_r): Handle seeing a full instantiation of a pack.
1594 (tsubst_pack_expansion): Likewise. Force lambda capture.
1595 * parser.c (cp_parser_lambda_introducer): Don't
1596 check_for_bare_parameter_packs.
1598 PR c++/84338 - wrong variadic sizeof.
1599 * pt.c (argument_pack_select_arg): Like the macro, but look through
1601 (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
1602 (extract_fnparm_pack): Do make_pack_expansion.
1603 (extract_locals_r): Do strip a pack expansion.
1604 * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
1606 2018-02-12 Jakub Jelinek <jakub@redhat.com>
1609 * parser.c (cp_parser_binary_expression): Use build_min instead of
1610 build2_loc to build the no_toplevel_fold_p toplevel binary expression.
1612 2018-02-12 Nathan Sidwell <nathan@acm.org>
1615 * parser.c (cp_parser_decltype): Push and pop
1616 deferring_access_checks. Reorganize to avoid goto.
1618 2018-02-12 Richard Biener <rguenther@suse.de>
1621 * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
1622 uniform constructors and delay allocating them fully.
1624 2018-02-09 Jason Merrill <jason@redhat.com>
1626 PR c++/84036 - ICE with variadic capture.
1627 Handle variadic capture proxies more like non-variadic.
1628 * lambda.c (build_capture_proxy): Remove workaround.
1629 * pt.c (find_parameter_packs_r): The proxy is a pack.
1630 (instantiate_class_template_1): Remove dead lambda code.
1631 (extract_fnparm_pack): Don't make_pack_expansion.
1632 (extract_locals_r): Don't strip a pack expansion.
1633 (tsubst_pack_expansion): Handle proxy packs. Use
1634 PACK_EXPANSION_EXTRA_ARGS less.
1635 (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
1636 (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
1637 [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
1638 (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
1639 (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
1641 2018-02-10 Jakub Jelinek <jakub@redhat.com>
1644 * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
1646 2018-02-09 Jason Merrill <jason@redhat.com>
1648 PR c++/81917 - ICE with void_t and partial specialization.
1649 * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
1650 calling most_specialized_partial_spec.
1652 2018-02-09 Nathan Sidwell <nathan@acm.org>
1655 * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
1656 Pass expr location to strict_aliasing_warning.
1658 2018-02-09 Jason Merrill <jason@redhat.com>
1660 PR c++/84296 - ICE with qualified-id in template.
1662 * pt.c (unknown_base_ref_p): New.
1663 (instantiation_dependent_scope_ref_p): Use it instead of
1664 any_dependent_bases_p.
1666 2018-02-09 Marek Polacek <polacek@redhat.com>
1667 Jakub Jelinek <jakub@redhat.com>
1670 * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
1671 fold_indirect_ref_1, including poly_*int64. Verify first that
1672 tree_fits_poly_int64_p (op01). Formatting fixes.
1674 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
1676 * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
1677 * lambda.c (build_capture_proxy): Likewise.
1678 * search.c (field_access_p): Likewise.
1679 * semantics.c (omp_clause_decl, omp_privatize_field,
1680 finish_omp_clauses): Likewise.
1682 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
1685 * typeck.c (decay_conversion): Use mark_rvalue_use for the special
1686 case of nullptr too.
1688 2018-02-08 Nathan Sidwell <nathan@acm.org>
1690 * class.c (finish_struct): Fix std:initializer_list diagnostic
1693 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
1696 * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
1698 2018-02-07 Jakub Jelinek <jakub@redhat.com>
1701 * parser.c (cp_parser_dot_deref_incomplete): New function.
1702 (cp_parser_postfix_dot_deref_expression): Use it.
1704 2018-02-07 David Malcolm <dmalcolm@redhat.com>
1708 * name-lookup.c (suggest_rid_p): New function.
1709 (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
1712 2018-02-07 Jason Merrill <jason@redhat.com>
1714 PR c++/84182 - ICE with captured lambda
1716 * pt.c (extract_locals_r, extract_local_specs): New.
1717 (tsubst_pack_expansion): Use them.
1719 2018-02-07 Martin Liska <mliska@suse.cz>
1722 * class.c (add_method): Append argument value.
1723 * cp-tree.h (maybe_version_functions): Add new argument.
1724 * decl.c (decls_match): Call it if a declaration does not
1725 have DECL_FUNCTION_VERSIONED.
1726 (maybe_version_functions): record argument is added.
1728 2018-02-05 Marek Polacek <polacek@redhat.com>
1730 * class.c: Remove unused global variables.
1731 (build_primary_vtable): Don't gather statistics.
1732 (print_class_statistics): Remove.
1733 * cp-tree.h (print_class_statistics): Remove.
1734 * tree.c (cxx_print_statistics): Don't call print_class_statistics.
1736 2018-02-02 Paolo Carlini <paolo.carlini@oracle.com>
1738 * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
1739 * constexpr.c (cx_check_missing_mem_inits): Likewise.
1740 * decl.c (next_initializable_field, find_decomp_class_base,
1741 cp_finish_decomp): Likewise.
1742 * typeck2.c (process_init_constructor_record): Likewise.
1744 2018-02-02 Jason Merrill <jason@redhat.com>
1746 PR c++/84181 - ICE with lambda parm in template argument.
1747 * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
1749 2018-02-01 Jason Merrill <jason@redhat.com>
1751 PR c++/84160 - ICE with nested variadic capture.
1752 * lambda.c (is_capture_proxy_with_ref): New.
1753 (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
1755 * expr.c (mark_use): Use is_capture_proxy_with_ref.
1756 * constexpr.c (potential_constant_expression_1): Likewise.
1757 * semantics.c (process_outer_var_ref): Likewise.
1759 2018-02-01 Marek Polacek <polacek@redhat.com>
1762 * typeck.c (build_address): Relax the assert when
1763 processing_template_decl.
1765 2018-02-01 Jason Merrill <jason@redhat.com>
1767 PR c++/84126 - ICE with variadic generic lambda
1770 * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
1771 PACK_EXPANSION_EXTRA_ARGS.
1773 2018-02-01 Paolo Carlini <paolo.carlini@oracle.com>
1776 * call.c (convert_like_real): If w're initializing from {} explicitly
1777 call abstract_virtuals_error_sfinae.
1779 2018-01-31 Jason Merrill <jason@redhat.com>
1780 Jakub Jelinek <jakub@redhat.com>
1783 * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
1784 around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
1787 2018-01-31 Jakub Jelinek <jakub@redhat.com>
1790 * constexpr.c (diag_array_subscript): Emit different diagnostics
1791 if TYPE_DOMAIN (arraytype) is NULL.
1792 (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
1793 with NULL TYPE_DOMAIN use size_zero_node as nelts.
1795 2018-01-31 Paolo Carlini <paolo.carlini@oracle.com>
1798 * semantics.c (finish_qualified_id_expr): When handling an
1799 UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
1801 2018-01-31 Marek Polacek <polacek@redhat.com>
1804 * cp-gimplify.c (cp_fold): Check if X is an error node before
1805 calling useless_type_conversion_p.
1807 2018-01-30 Jason Merrill <jason@redhat.com>
1809 PR c++/84091 - ICE with local class in lambda in template.
1810 * decl2.c (determine_visibility): Look for outer containing template
1813 PR c++/84098 - ICE with lambda in template NSDMI.
1814 * pt.c (instantiate_class_template_1): Ignore more lambdas.
1816 2018-01-29 Jason Merrill <jason@redhat.com>
1818 PR c++/68810 - wrong location for reinterpret_cast error.
1819 * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
1822 2018-01-29 Marek Polacek <polacek@redhat.com>
1825 * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
1826 => fooarray[1] in offset_int.
1828 2018-01-29 Jason Merrill <jason@redhat.com>
1830 PR c++/83942 - wrong unused warning with static_cast.
1831 * cvt.c (ocp_convert): Call mark_rvalue_use.
1833 2018-01-26 Jason Merrill <jason@redhat.com>
1835 PR c++/83956 - wrong dtor error with anonymous union
1836 * method.c (walk_field_subobs): Variant members only affect
1838 (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
1840 PR c++/84036 - ICE with variadic capture.
1842 * pt.c (tsubst_pack_expansion): When optimizing a simple
1843 substitution, pull a single pack expansion out of its pack.
1845 PR c++/82514 - ICE with local class in generic lambda.
1846 * pt.c (regenerated_lambda_fn_p): Remove.
1847 (enclosing_instantiation_of): Don't use it.
1848 (tsubst_function_decl): Call enclosing_instantiation_of.
1850 * pt.c (lookup_template_class_1): Add sanity check.
1851 * name-lookup.c (do_pushtag): Don't add closures to local_classes.
1853 2018-01-25 Jakub Jelinek <jakub@redhat.com>
1856 * decl.c (find_decomp_class_base): Ignore unnamed bitfields. Ignore
1857 recursive calls that return ret.
1858 (cp_finish_decomp): Ignore unnamed bitfields.
1860 2018-01-23 Jason Merrill <jason@redhat.com>
1862 PR c++/82249 - wrong mismatched pack length error.
1863 * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
1864 unsubstituted function parameter pack.
1866 2018-01-23 Paolo Carlini <paolo.carlini@oracle.com>
1869 * decl.c (check_for_uninitialized_const_var): Not static; add
1870 bool and tsubst_flags_t parameters; adjust to be used both in
1871 constexpr context and not.
1872 * constexpr.c (potential_constant_expression_1): Use the above.
1873 * cp-tree.h (check_for_uninitialized_const_var): Declare.
1875 2018-01-23 Jason Merrill <jason@redhat.com>
1877 PR c++/83947 - ICE with auto declarations.
1878 * pt.c (do_auto_deduction): Don't deduce from an auto decl.
1879 * decl.c (undeduced_auto_decl): Limit to vars and fns.
1881 2018-01-23 David Malcolm <dmalcolm@redhat.com>
1884 * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
1885 for pointer to member function types.
1887 2018-01-23 Jakub Jelinek <jakub@redhat.com>
1890 * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
1891 DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
1893 2018-01-23 Nathan Sidwell <nathan@acm.org>
1896 * pt.c (tsubst_baselink): Remove optype assert.
1897 * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
1899 2018-01-23 Jakub Jelinek <jakub@redhat.com>
1902 * decl.c (cp_finish_decomp): Diagnose if reference structure binding
1903 refers to incomplete type.
1905 2018-01-23 Nathan Sidwell <nathan@acm.org>
1907 Deprecate ARM-era for scope handling
1908 * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
1909 (cxx_init_decl_processing): Deprecate flag_new_for_scope being
1911 * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
1913 * semantics.c (begin_for_scope): Flag_new_for_scope is
1915 (finish_for_stmt, begin_range_for_stmt): Likewise.
1917 2018-01-22 Jason Merrill <jason@redhat.com>
1920 * decl2.c (determine_visibility): Fix template_decl handling
1921 instead of blocking it.
1923 PR c++/83720 - ICE with lambda and LTO.
1924 * decl2.c (determine_visibility): Clear template_decl for
1925 function-scope decls. Propagate anonymous linkage from containing
1928 2018-01-22 Marek Polacek <polacek@redhat.com>
1931 * typeck2.c (split_nonconstant_init_1): Return false if we didn't
1934 2018-01-22 Ville Voutilainen <ville.voutilainen@gmail.com>
1937 * decl.c (grokdeclarator): Don't diagnose extra parens
1940 2018-01-19 Jakub Jelinek <jakub@redhat.com>
1943 * call.c (joust): Use TREE_TYPE (source) if source is
1944 a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
1947 * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
1948 for direct enum init.
1949 * decl.c (reshape_init): Likewise.
1951 2018-01-19 Marek Polacek <polacek@redhat.com>
1953 * constexpr.c (fold_simple): Simplify.
1955 2018-01-18 Jason Merrill <jason@redhat.com>
1958 * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
1959 * pt.c (instantiation_dependent_scope_ref_p): True if
1960 any_dependent_bases_p.
1962 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
1964 * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
1965 vs DECL_NONTRIVIALLY_INITIALIZED_P).
1967 2018-01-18 Jason Merrill <jason@redhat.com>
1969 PR c++/82461 - constexpr list-initialized member
1970 * constexpr.c (potential_constant_expression_1): Check
1971 TARGET_EXPR_DIRECT_INIT_P.
1973 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
1976 * decl.c (xref_basetypes): Early return upon error about derived
1979 2018-01-18 Nathan Sidwell <nathan@acm.org>
1982 * cp-tree.h (mark_use): Declare.
1983 * expr.c (mark_use): Make extern.
1984 * call.c (direct_reference_binding): Set inner conv's
1985 rvaluedness_matches_p, if it is an identity.
1986 (convert_like_real): Mark lvalue or rvalue use for identity as
1987 rvaledness_matches_p demands.
1989 2018-01-18 Jakub Jelinek <jakub@redhat.com>
1992 * parser.c (attr_chainon): New function.
1993 (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
1994 cp_parser_namespace_definition, cp_parser_init_declarator,
1995 cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
1996 cp_parser_gnu_attributes_opt): Use it.
1997 (cp_parser_member_declaration, cp_parser_objc_class_ivars,
1998 cp_parser_objc_struct_declaration): Likewise. Don't reset
1999 prefix_attributes if attributes is error_mark_node.
2001 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
2004 * decl.c (grokdeclarator): Do not append the error_mark_node
2005 due to an erroneous optional attribute-specifier-seq.
2007 2018-01-17 Jakub Jelinek <jakub@redhat.com>
2010 * cp-gimplify.c (cp_maybe_instrument_return): Handle
2013 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
2016 * constexpr.c (ensure_literal_type_for_constexpr_object): Return
2017 error_mark_node when we give an error.
2018 * decl.c (cp_finish_decl): Use the latter.
2020 2018-01-17 Nathan Sidwell <nathan@acm.org>
2023 * init.c (build_raw_new_expr): Scan list for lookups to keep.
2025 2018-01-17 David Malcolm <dmalcolm@redhat.com>
2028 * expr.c (fold_for_warn): Move from c-common.c, reducing to just
2029 the C++ part. If processing a template, call
2030 fold_non_dependent_expr rather than fully folding.
2032 2018-01-17 Jason Merrill <jason@redhat.com>
2034 PR c++/81067 - redundant NULL warning.
2035 * call.c (convert_like_real): Restore null_node handling.
2037 2018-01-17 Jason Merrill <jason@redhat.com>
2039 PR c++/81843 - ICE with variadic member template.
2041 * pt.c (unify_pack_expansion): Don't try to deduce enclosing
2044 2018-01-17 David Malcolm <dmalcolm@redhat.com>
2047 * pt.c (type_dependent_expression_p): Strip any location wrapper
2048 before testing tree codes.
2049 (selftest::test_type_dependent_expression_p): New function.
2050 (selftest::cp_pt_c_tests): Call it.
2052 2018-01-17 Nathan Sidwell <nathan@acm.org>
2055 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
2056 this not a final instantiation.
2058 2018-01-16 Jason Merrill <jason@redhat.com>
2060 PR c++/83714 - ICE checking return in template.
2061 * typeck.c (check_return_expr): Call build_non_dependent_expr.
2063 2018-01-16 Jakub Jelinek <jakub@redhat.com>
2066 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
2067 is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
2068 instead of CALL_FROM_THUNK_P.
2071 * name-lookup.c (member_vec_dedup): Return early if len is 0.
2072 (resort_type_member_vec, set_class_bindings,
2073 insert_late_enum_def_bindings): Use vec qsort method instead of
2074 calling qsort directly.
2076 2018-01-15 Martin Sebor <msebor@redhat.com>
2079 * class.c (find_flexarrays): Make a record of multiple flexible array
2082 2018-01-12 Jason Merrill <jason@redhat.com>
2084 PR c++/83186 - ICE with static_cast of list-initialized temporary.
2085 * typeck.c (build_static_cast): Use build_non_dependent_expr.
2087 2018-01-12 Nathan Sidwell <nathan@acm.org>
2089 * cp-tree.h (mark_rvalue_use): Add parm name.
2090 * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
2092 * call.c (convert_like_real): Fix formatting.
2094 2018-01-11 Jason Merrill <jason@redhat.com>
2096 PR c++/82728 - wrong -Wunused-but-set-variable
2099 * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
2100 * decl.c (case_conversion): Likewise.
2101 * semantics.c (finish_static_assert): Call
2102 perform_implicit_conversion_flags.
2104 2018-01-11 Nathan Sidwell <nathan@acm.org>
2106 * method.c (enum mangling_flags): Delete long-dead enum.
2108 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
2110 * parser.c (cp_parser_std_attribute_spec): When
2111 token_pair::require_open / require_close return false simply
2112 return error_mark_node, avoid duplicate cp_parser_error about
2113 expected '(' / ')', respectively.
2115 2018-01-10 David Malcolm <dmalcolm@redhat.com>
2118 * call.c (null_ptr_cst_p): Strip location wrappers when
2119 converting from '0' to a pointer type in C++11 onwards.
2120 (conversion_null_warnings): Replace comparison with null_node with
2121 call to null_node_p.
2122 (build_over_call): Likewise.
2123 * cp-gimplify.c (cp_fold): Remove the early bailout when
2124 processing_template_decl.
2125 * cp-lang.c (selftest::run_cp_tests): Call
2126 selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
2127 * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
2128 (selftest::run_cp_tests): Move decl to bottom of file.
2129 (null_node_p): New inline function.
2130 (selftest::cp_pt_c_tests): New decl.
2131 (selftest::cp_tree_c_tests): New decl.
2132 * cvt.c (build_expr_type_conversion): Replace comparison with
2133 null_node with call to null_node_p.
2134 * error.c (args_to_string): Likewise.
2135 * except.c (build_throw): Likewise.
2136 * mangle.c (write_expression): Skip location wrapper nodes.
2137 * parser.c (literal_integer_zerop): New function.
2138 (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
2139 the result for RID_TYPEID. Pass true for new "wrap_locations_p"
2140 param of cp_parser_parenthesized_expression_list. When calling
2141 warn_for_memset, replace integer_zerop calls with
2142 literal_integer_zerop, eliminating the double logical negation
2143 cast to bool. Eliminate the special-casing for CONST_DECL in
2144 favor of the fold_for_warn within warn_for_memset.
2145 (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
2146 param, defaulting to false. Convert "expr" to a cp_expr, and call
2147 maybe_add_location_wrapper on it when wrap_locations_p is true.
2148 (cp_parser_unary_expression): Call maybe_add_location_wrapper on
2149 the result for RID_ALIGNOF and RID_SIZEOF.
2150 (cp_parser_builtin_offsetof): Likewise.
2151 * pt.c: Include "selftest.h".
2152 (tsubst_copy): Handle location wrappers.
2153 (tsubst_copy_and_build): Likewise.
2154 (build_non_dependent_expr): Likewise.
2155 (selftest::test_build_non_dependent_expr): New function.
2156 (selftest::cp_pt_c_tests): New function.
2157 * tree.c: Include "selftest.h".
2158 (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
2159 (selftest::test_lvalue_kind): New function.
2160 (selftest::cp_tree_c_tests): New function.
2161 * typeck.c (string_conv_p): Strip any location wrapper from "exp".
2162 (cp_build_binary_op): Replace comparison with null_node with call
2164 (build_address): Use location of operand when building address
2167 2018-01-10 Marek Polacek <polacek@redhat.com>
2170 * call.c (build_conditional_expr_1): Check complain before warning.
2171 * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
2172 -Wduplicated-branches.
2174 2018-01-10 Jakub Jelinek <jakub@redhat.com>
2177 * call.c (maybe_warn_class_memaccess): Add forward declaration.
2178 Change last argument from tree * to const vec<tree, va_gc> *, adjust
2179 args uses and check number of operands too. Don't strip away any
2180 nops. Use maybe_constant_value when looking for INTEGER_CST args.
2181 Deal with src argument not having pointer type. Check
2182 tree_fits_uhwi_p before calling tree_to_uhwi. Remove useless
2184 (build_over_call): Call maybe_warn_class_memaccess here on the
2186 (build_cxx_call): Rather than here on converted arguments.
2188 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
2191 * init.c (build_vec_init): Avoid building an INIT_EXPR with
2192 error_mark_node as second argument.
2194 2018-01-09 Jakub Jelinek <jakub@redhat.com>
2197 * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
2198 in STATEMENT_LIST. Remove unneeded assert.
2200 2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
2201 Alan Hayward <alan.hayward@arm.com>
2202 David Sherwood <david.sherwood@arm.com>
2204 * constexpr.c (cxx_eval_array_reference): Handle polynomial
2206 (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
2207 * call.c (build_conditional_expr_1): Likewise.
2208 * decl.c (cp_finish_decomp): Likewise.
2209 * mangle.c (write_type): Likewise.
2210 * typeck.c (structural_comptypes): Likewise.
2211 (cp_build_binary_op): Likewise.
2212 * typeck2.c (process_init_constructor_array): Likewise.
2214 2018-01-03 Jakub Jelinek <jakub@redhat.com>
2217 * typeck.c (build_static_cast_1): For static casts to reference types,
2218 call build_base_path with flag_delete_null_pointer_checks as nonnull
2219 instead of always false. When -fsanitize=null, call
2220 ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
2221 * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
2222 call if the first argument is INTEGER_CST with REFERENCE_TYPE.
2224 2018-01-03 Nathan Sidwell <nathan@acm.org>
2227 * method.c (make_alias_for): Copy DECL_CONTEXT.
2229 2018-01-03 Marek Polacek <polacek@redhat.com>
2232 * decl.c (grokdeclarator): Don't warn about MVP in typename context.
2234 2018-01-03 Jakub Jelinek <jakub@redhat.com>
2236 PR preprocessor/83602
2237 * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
2241 * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
2242 error_mark_node, return error_mark_node.
2244 Update copyright years.
2246 2018-01-02 Jakub Jelinek <jakub@redhat.com>
2249 * tree.c (replace_placeholders_r): Pass NULL as last argument to
2250 cp_walk_tree instead of d->pset. If non-TREE_CONSTANT and
2251 non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
2252 to false and return.
2253 (replace_placeholders): Pass NULL instead of &pset as last argument
2256 2018-01-02 Nathan Sidwell <nathan@acm.org>
2258 * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
2261 Copyright (C) 2018 Free Software Foundation, Inc.
2263 Copying and distribution of this file, with or without modification,
2264 are permitted in any medium without royalty provided the copyright
2265 notice and this notice are preserved.