| blob | 037870627f926752caa13a535553aa3ae3564691 |
1 2018-04-25 Nathan Sidwell <nathan@acm.org>
3 PR c++/85437
4 PR c++/49171
5 * cp-tree.h (REINTERPRET_CAST_P): New.
6 * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
7 Reject REINTERPET_CAST_P conversions. Use cplus_expand_constant
8 for non-trivial PTRMEM_CST cases.
9 * typeck.c (build_nop_reinterpret): New.
10 (build_reinterpret_cast_1): Use it. Set REINTERPRET_CAST_P on
11 NOP_EXPRs returned by cp_convert.
13 2018-04-23 Jason Merrill <jason@redhat.com>
15 PR c++/69560 - wrong alignof(double) on x86.
16 CWG 1879 - Inadequate definition of alignment requirement.
17 * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
18 * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
19 (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
20 (cxx_alignof_expr): Pass it.
21 * parser.c (cp_parser_unary_expression): Pass it.
22 * pt.c (tsubst_copy): Copy it.
23 (tsubst_copy_and_build): Pass it.
24 * decl.c (fold_sizeof_expr): Pass it.
26 2018-04-23 Jakub Jelinek <jakub@redhat.com>
27 Jason Merrill <jason@redhat.com>
29 PR c++/85470 - wrong error with static data member.
30 * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
31 * typeck2.c (store_init_value): Likewise.
33 2018-04-20 Jakub Jelinek <jakub@redhat.com>
35 PR c++/85462
36 * cp-tree.h (tinst_level): Remove in_system_header_p member,
37 change refcount member from unsigned char to unsigned short,
38 add refcount_infinity static data member, adjust comments.
39 * pt.c (tinst_level::refcount_infinity): Define.
40 (inc_refcount_use): Remove assert, don't increment if refcount
41 is already refcount_infinity, adjust comment.
42 (dec_refcount_use): Remove assert, don't decrement if refcount
43 is refcount_infinity, adjust comment.
44 (push_tinst_level_loc): Formatting fix.
46 2018-04-19 Paolo Carlini <paolo.carlini@oracle.com>
48 PR c++/84611
49 * pt.c (lookup_template_class_1): Check pushtag return value for
50 error_mark_node.
52 2018-04-19 Alexandre Oliva <aoliva@redhat.com>
54 PR c++/80290
55 * cp-tree.h (tinst_level::free): Fix whitespace.
57 2018-04-18 Paolo Carlini <paolo.carlini@oracle.com>
59 PR c++/84630
60 * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
61 for error_mark_node.
63 2018-04-18 Jakub Jelinek <jakub@redhat.com>
65 PR c++/84463
66 * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
67 tricks from here to ...
68 * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here. Only use it
69 if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
71 2018-04-18 Alexandre Oliva <aoliva@redhat.com>
73 PR c++/80290
74 * cp-tree.h (struct tinst_level): Split decl into tldcl and
75 targs. Add private split_list_p, tree_list_p, and not_list_p
76 inline const predicates; to_list private member function
77 declaration; free public member function declaration; list_p,
78 get_node and maybe_get_node accessors, and refcount data
79 member. Narrow errors to unsigned short.
80 * error.c (print_instantiation_full_context): Use new
81 accessors.
82 (print_instantiation_partial_context_line): Likewise. Drop
83 const from tinst_level-typed parameter.
84 * mangle.c (mangle_decl_string): Likewise.
85 * pt.c (freelist): New template class.
86 (tree_list_freelist_head): New var.
87 (tree_list_freelist): New fn, along with specializations.
88 (tinst_level_freelist_head): New var.
89 (pending_template_freelist_head): Likewise.
90 (tinst_level_freelist, pending_template_freelist): New fns.
91 (tinst_level::to_list, tinst_level::free): Define.
92 (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
93 (set_refcount_ptr): New template fn.
94 (add_pending_template): Adjust for refcounting, freelists and
95 new accessors.
96 (neglectable_inst_p): Take a NULL d as a non-DECL.
97 (limit_bad_template_recursion): Use new accessors.
98 (push_tinst_level): New overload to create the list.
99 (push_tinst_level_loc): Make it static, split decl into two
100 args, adjust tests and initialization to cope with split
101 lists, use freelist, adjust for refcounting.
102 (push_tinst_level_loc): New wrapper with the old interface.
103 (pop_tinst_level): Adjust for refcounting.
104 (record_last_problematic_instantiation): Likewise.
105 (reopen_tinst_level): Likewise. Use new accessors.
106 (instantiate_alias_template): Adjust for split list.
107 (fn_type_unification): Likewise.
108 (get_partial_spec_bindings): Likewise.
109 (instantiate_pending_templates): Use new accessors. Adjust
110 for refcount. Release pending_template to freelist.
111 (instantiating_current_function_p): Use new accessors.
113 2018-04-16 Alexandre Oliva <aoliva@redhat.com>
115 PR c++/85039
116 * parser.c (cp_parser_builtin_offset): Reject type definitions.
117 * mangle.c (nested_anon_class_index): Avoid crash returning -1
118 if we've seen errors.
120 2018-04-12 David Malcolm <dmalcolm@redhat.com>
122 PR c++/85385
123 * name-lookup.c (macro_use_before_def::maybe_make): New function,
124 checking that the use is indeed before the definition.
125 (macro_use_before_def::macro_use_before_def): Make private.
126 (macro_use_before_def::~macro_use_before_def): Make private. Move
127 check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
128 (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
129 than using new directly.
131 2018-04-12 Jason Merrill <jason@redhat.com>
133 PR c++/85356 - ICE with pointer to member function.
134 * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
135 flag_noexcept_type. Build the new spec within the function context.
136 * except.c (build_noexcept_spec): Do get constant value in templates
137 if flag_noexcept_type.
138 * decl.c (check_redeclaration_exception_specification): Don't
139 instantiate noexcept on a dependent declaration.
141 2018-04-12 Marek Polacek <polacek@redhat.com>
143 PR c++/85258
144 * constexpr.c (reduced_constant_expression_p): Return false for null
145 trees.
147 2018-04-11 Marek Polacek <polacek@redhat.com>
149 PR c++/85032
150 * constexpr.c (potential_constant_expression_1): Consider conversions
151 from classes to literal types potentially constant.
153 2018-04-10 Paolo Carlini <paolo.carlini@oracle.com>
155 PR c++/70808
156 * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
157 the type like TYPE_PTR_OR_PTRMEM_P.
159 2018-04-10 Jason Merrill <jason@redhat.com>
161 PR debug/65821 - wrong location for main().
162 * call.c (clear_location_r, convert_default_arg): Revert.
163 * tree.c (break_out_target_exprs): Add clear_location parm.
164 (struct bot_data): New.
165 (bot_manip): Clear location if requested.
166 * init.c (get_nsdmi): Pass clear_location.
168 2018-04-10 David Malcolm <dmalcolm@redhat.com>
170 PR c++/85110
171 * call.c (get_fndecl_argument_location): Make non-static.
172 * cp-tree.h (get_fndecl_argument_location): New decl.
173 * typeck.c (convert_for_assignment): When complaining due to
174 conversions for an argument, show the location of the parameter
175 within the decl.
177 2018-04-10 Jakub Jelinek <jakub@redhat.com>
179 PR c++/85312 - P0962 cleanup
180 * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
181 diagnostics.
183 2018-04-10 Jason Merrill <jason@redhat.com>
185 PR debug/65821 - wrong location for main().
186 * call.c (clear_location_r): New.
187 (convert_default_arg): Use it.
188 * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
190 PR c++/85285 - ICE with flexible array after substitution.
191 * pt.c (instantiate_class_template_1): Check for flexible array in
192 union.
194 2018-04-09 Paolo Carlini <paolo.carlini@oracle.com>
196 PR c++/85227
197 * decl.c (cp_finish_decomp): In a template, if the type is incomplete
198 issue a pedwarn and defer trying to do bindings.
200 2018-04-09 Jason Merrill <jason@redhat.com>
202 PR c++/85279 - dump_expr doesn't understand decltype.
203 * error.c (dump_expr): Handle DECLTYPE_TYPE.
205 PR c++/85262 - ICE with redundant qualification on constructor.
206 * call.c (build_new_method_call_1): Move make_args_non_dependent
207 after A::A() handling.
209 PR c++/85277 - ICE with invalid offsetof.
210 * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
211 Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
213 PR c++/85264 - ICE with excess template-parameter-list.
214 * parser.c (cp_parser_check_template_parameters): Add template_id_p
215 parameter. Don't allow an extra template header if true.
216 (cp_parser_class_head): Pass template_id_p.
217 (cp_parser_elaborated_type_specifier): Likewise.
218 (cp_parser_alias_declaration): Likewise.
219 (cp_parser_check_declarator_template_parameters): Likewise.
221 2018-04-09 Jakub Jelinek <jakub@redhat.com>
223 PR c++/85194
224 * parser.c (cp_parser_simple_declaration): For structured bindings,
225 if *maybe_range_for_decl is NULL after parsing it, set it to
226 error_mark_node.
228 2018-04-09 Jason Merrill <jason@redhat.com>
230 PR c++/85256 - ICE capturing pointer to VLA.
231 * lambda.c (add_capture): Distinguish between variable-size and
232 variably-modified types.
234 2018-04-06 Jason Merrill <jason@redhat.com>
236 PR c++/85214 - ICE with alias, generic lambda, constexpr if.
237 * pt.c (extract_locals_r): Remember local typedefs.
239 2018-04-06 David Malcolm <dmalcolm@redhat.com>
241 PR c++/84269
242 * name-lookup.c (struct std_name_hint): Move out of
243 get_std_name_hint; add field "min_dialect".
244 (get_std_name_hint): Add min_dialect values to all initializers.
245 Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
246 <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
247 <shared_mutex>, <string_view>, <thread>, and <variant>.
248 Add fstream, ifstream, and ofstream to <fstream>.
249 Add istringstream, ostringstream, and stringstream to <sstream>.
250 Add basic_string to <string>.
251 Add tuple_element and tuple_size to <tuple>.
252 Add declval to <utility>.
253 Fix ordering of <queue> and <tuple>.
254 Return a std_name_hint, rather than a const char *.
255 (get_cxx_dialect_name): New function.
256 (maybe_suggest_missing_std_header): Detect names that aren't yet
257 available in the current dialect, and instead of suggesting a
258 missing #include, warn about the dialect.
260 2018-04-06 Jakub Jelinek <jakub@redhat.com>
262 PR c++/85210
263 * pt.c (tsubst_decomp_names): Return error_mark_node and assert
264 errorcount is set if tsubst doesn't return a VAR_DECL.
266 2018-04-06 David Malcolm <dmalcolm@redhat.com>
268 PR c++/85021
269 * name-lookup.c (using_directives_contain_std_p): New function.
270 (has_using_namespace_std_directive_p): New function.
271 (suggest_alternatives_for): Simplify if/else logic using early
272 returns. If no candidates were found, and there's a
273 "using namespace std;" directive, call
274 maybe_suggest_missing_std_header.
275 (maybe_suggest_missing_header): Split later part of the function
276 into..
277 (maybe_suggest_missing_std_header): New.
279 2018-04-06 Jason Merrill <jason@redhat.com>
281 PR c++/85242 - ICE with class definition in template parm.
282 * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
283 processing_template_parmlist.
285 PR c++/85240 - LTO ICE with using of undeduced auto fn.
286 * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
288 2018-04-05 Jakub Jelinek <jakub@redhat.com>
290 PR c++/85209
291 * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
292 is not prev, if prev == decl.
294 PR c++/85208
295 * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
296 maybe_apply_pragma_weak here...
297 (cp_maybe_mangle_decomp): ... but call it here instead.
299 2018-04-05 Jason Merrill <jason@redhat.com>
301 PR c++/85136 - ICE with designated init in template.
302 * decl.c (maybe_deduce_size_from_array_init): Handle dependent
303 designated initializer.
304 (check_array_designated_initializer): Update ce->index with the
305 constant value.
307 PR c++/83808 - ICE with VLA initialization.
308 * typeck2.c (process_init_constructor_array): Don't require a VLA
309 initializer to have VLA type.
311 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
313 PR c++/80956
314 * call.c (convert_like_real): Fail gracefully for a broken
315 std::initializer_list, missing a definition.
317 * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
319 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
321 PR c++/84792
322 * decl.c (grokdeclarator): Fix diagnostic about typedef name used
323 as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
325 2018-04-05 Jason Merrill <jason@redhat.com>
327 PR c++/82152 - ICE with class deduction and inherited ctor.
328 * pt.c (do_class_deduction): Ignore inherited ctors.
330 PR c++/84665 - ICE with array of empty class.
331 * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
333 PR c++/85228 - ICE with lambda in enumerator in template.
334 * pt.c (bt_instantiate_type_proc): Don't assume
335 CLASSTYPE_TEMPLATE_INFO is non-null.
337 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
339 Implement P0969
340 * decl.c (find_decomp_class_base): Check accessibility instead
341 of declared access, adjust diagnostic.
343 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
345 Implement P0961
346 * decl.c (get_tuple_decomp_init): Check the templatedness
347 of a member get.
349 2018-04-05 Jason Merrill <jason@redhat.com>
351 PR c++/85200 - ICE with constexpr if in generic lambda.
352 * pt.c (extract_locals_r): Don't record the local specs of variables
353 declared within the pattern.
355 2018-04-05 Alexandre Oliva <aoliva@redhat.com>
357 PR c++/84979
358 * pt.c (check_auto_in_tmpl_args): New.
359 (tsubst_qualified_id): Use it to reject template args
360 referencing auto for non-type templates.
361 * parser.c (cp_parser_template_id): Likewise.
362 * cp-tree.h (check_auto_in_tmpl_args): Declare.
363 * typeck2.c (build_functional_cast): Report correct location
364 for invalid use of auto.
366 2018-04-04 Jason Merrill <jason@redhat.com>
368 PR c++/85215 - ICE with copy-init from conversion.
369 * call.c (merge_conversion_sequences): Fix type of direct binding
370 sequence.
372 PR c++/84938 - ICE with division by ~-1.
373 * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
375 PR c++/84936 - ICE with unexpanded pack in mem-initializer.
376 * parser.c (cp_parser_mem_initializer_list): Call
377 check_for_bare_parameter_packs.
379 2018-04-04 Jakub Jelinek <jakub@redhat.com>
381 PR inline-asm/85172
382 * constexpr.c (cxx_eval_builtin_function_call): For calls to
383 builtin_valid_in_constant_expr_p functions, don't call
384 cxx_eval_constant_expression if argument is not
385 potential_constant_expression.
387 PR c++/85146
388 * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
389 argument.
390 * semantics.c (calculate_bases): Add complain argument. Use
391 complete_type_or_maybe_complain instead of just complete_type and
392 return an empty vector if it fails. Move make_tree_vector () call
393 after early return. Formatting fixes.
394 (calculate_direct_bases): Likewise. Call release_tree_vector at the
395 end.
396 (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
397 * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
398 calculate_direct_bases callers, formatting fixes.
400 2018-04-04 Jason Merrill <jason@redhat.com>
402 PR c++/85006 - -fconcepts ICE with A<auto...> return type
403 * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
405 PR c++/85200 - ICE with constexpr if in generic lambda.
406 * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
408 PR c++/84221 - bogus -Wunused with attribute and template.
409 * decl2.c (is_late_template_attribute): Handle unused and used
410 normally on non-TYPE_DECL.
412 PR c++/85135 - ICE with omitted template arguments.
413 * decl.c (grokdeclarator): Catch deduced class type in trailing
414 return type.
416 PR c++/85133 - ICE with missing concept initializer.
417 * decl.c (cp_finish_decl): If a concept initializer is missing, use
418 true.
420 PR c++/85118 - wrong error with generic lambda and std::bind.
421 * call.c (add_template_conv_candidate): Disable if there are any
422 call operators.
424 PR c++/85141 - ICE with compound assignment and static member fn.
425 * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
426 compound assignment.
428 PR c++/85148 - ICE with 'this' in array NSDMI.
429 * tree.c (replace_placeholders_r): Use handled_component_p.
431 2018-04-04 Ville Voutilainen <ville.voutilainen@gmail.com>
433 PR c++/65923
434 * decl.c (grokfndecl): Handle standard UDL diagnostics here..
435 * parser.c (cp_parser_unqualified_id): ..not here.
437 2018-04-04 Alexandre Oliva <aoliva@redhat.com>
439 PR c++/84943
440 * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
441 used.
442 * decl2.c (mark_used): Return without effects if tf_conv.
444 2018-04-03 Jason Merrill <jason@redhat.com>
446 PR c++/85092 - C++17 ICE with unused list constructor.
447 * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
448 from a TARGET_EXPR.
450 PR c++/85113 - ICE with constexpr and __builtin_constant_p.
451 * constexpr.c (cxx_eval_builtin_function_call): Only defer
452 __builtin_constant_p if ctx->quiet.
454 2018-04-03 Paolo Carlini <paolo.carlini@oracle.com>
456 PR c++/84768
457 * pt.c (rewrite_template_parm): If the first argument is
458 error_mark_node return it immediately.
459 (build_deduction_guide): Check the return value of the
460 latter for error_mark_node.
461 (do_class_deduction): Check the return value of the latter.
463 2018-04-03 Jason Merrill <jason@redhat.com>
465 * semantics.c (finish_if_stmt_cond): Use
466 instantiation_dependent_expression_p.
468 PR c++/85149 - generic lambda and constexpr if.
469 * pt.c (build_extra_args, add_extra_args): Split from
470 tsubst_pack_expansion.
471 (tsubst_expr) [IF_STMT]: Use them.
472 * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
474 * typeck.c (merge_types): Limit matching attribute shortcut to
475 the default case.
477 2018-04-03 Jakub Jelinek <jakub@redhat.com>
479 PR c++/85147
480 * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
482 PR c++/85140
483 * name-lookup.c (handle_namespace_attrs): Return early if attributes
484 is error_mark_node.
486 PR c++/85134
487 * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
488 fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
489 instead for static data members clear init and set DECL_EXTERNAL.
491 2018-04-02 Jason Merrill <jason@redhat.com>
493 PR c++/64095 - auto... parameter pack.
494 * parser.c (cp_parser_parameter_declaration): Handle turning autos
495 into packs here.
496 (cp_parser_parameter_declaration_list): Not here.
498 2018-03-31 Alexandre Oliva <aoliva@redhat.com>
500 PR c++/85027
501 * class.c (instantiate_type): Peel off SAVE_EXPR before
502 BASELINK.
504 2018-03-30 Jason Merrill <jason@redhat.com>
506 * typeck2.c (process_init_constructor_record): Use
507 init_list_type_node for the CONSTRUCTOR around an anonymous union
508 designated initializer.
510 2018-03-30 Jakub Jelinek <jakub@redhat.com>
512 PR c++/84791
513 * semantics.c (finish_omp_reduction_clause): If
514 OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
515 even if processing_template_decl.
517 2018-03-29 David Malcolm <dmalcolm@redhat.com>
519 PR c++/84269
520 * name-lookup.c (get_std_name_hint): Add names from <memory>,
521 <tuple>, and <utility>.
523 2018-03-29 Jason Merrill <jason@redhat.com>
525 PR c++/85093 - too many template args with pack expansion.
526 * pt.c (coerce_template_parms): Keep pack expansion args that will
527 need to be empty.
529 2018-03-29 Jason Merrill <jason@redhat.com>
531 * pt.c (build_non_dependent_expr): Propagate expr location.
533 2018-03-27 Jason Merrill <jason@redhat.com>
535 PR c++/85060 - wrong-code with call to base member in template.
536 * search.c (any_dependent_bases_p): Check uses_template_parms
537 rather than processing_template_decl.
539 2018-03-29 David Malcolm <dmalcolm@redhat.com>
541 PR c++/85110
542 * typeck.c (convert_for_assignment): When complaining due to
543 conversions for an argument, attempt to use the location of the
544 argument.
546 2018-03-28 Paolo Carlini <paolo.carlini@oracle.com>
548 PR c++/85028
549 * pt.c (tsubst_default_argument): Early return if the type of the
550 parameter is erroneous.
552 2018-03-28 Alexandre Oliva <aoliva@redhat.com>
554 PR c++/84973
555 * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
556 templates.
558 PR c++/84968
559 * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
561 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
563 PR c++/85067
564 * method.c (defaulted_late_check): Partially revert r253321 changes,
565 do not early return upon error.
567 2018-03-27 Jakub Jelinek <jakub@redhat.com>
569 PR c++/85077
570 * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
571 type call fold to generate VECTOR_CSTs when possible.
573 PR c++/85076
574 * tree.c (cp_build_reference_type): If to_type is error_mark_node,
575 return it right away.
577 2018-03-27 Volker Reichelt <v.reichelt@netcologne.de>
579 * search.c (check_final_overrider): Use inform instead of error
580 for the diagnostics of the overridden functions. Tweak wording.
582 2018-03-27 Jakub Jelinek <jakub@redhat.com>
584 PR c++/85068
585 * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
586 is NULL. Assert if thunk_binfo is NULL then errorcount is non-zero.
588 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
589 Jason Merrill <jason@redhat.com>
591 PR c++/84632
592 * init.c (build_aggr_init): When initializing from array,
593 reject anything but CONSTRUCTORs and TARGET_EXPRs.
594 (build_vec_init): Handle separately ARRAY_TYPEs.
596 2018-03-26 Jason Merrill <jason@redhat.com>
598 PR c++/85062 - ICE with alignas in wrong place.
599 * decl.c (grokdeclarator): Ignore attributes on type-specifiers
600 here.
602 PR c++/85049 - ICE with __integer_pack.
603 * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
604 * cp-tree.h (TEMPLATE_PARM_P): New.
606 2018-03-23 Jason Merrill <jason@redhat.com>
608 PR c++/78489 - wrong SFINAE behavior.
610 PR c++/84489
611 * pt.c (type_unification_real): Don't defer substitution failure.
613 2018-03-23 Jakub Jelinek <jakub@redhat.com>
615 PR c++/85015
616 * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
617 result.
619 PR c++/84942
620 * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
621 cp_build_unary_op call with gcc_unreachable ().
623 2018-03-23 Marek Polacek <polacek@redhat.com>
625 PR c++/85045
626 * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
627 Handle EXACT_DIV_EXPR and RDIV_EXPR. Tweak condition.
628 (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
630 2018-03-23 Ville Voutilainen <ville.voutilainen@gmail.com>
632 Implement P0962
633 * parser.c (cp_parser_perform_range_for_lookup): Change
634 the condition for deciding whether to use members.
636 2018-03-23 Marek Polacek <polacek@redhat.com>
638 PR c++/85033
639 * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
641 2018-03-23 Alexandre Oliva <aoliva@redhat.com>
643 PR c++/71251
644 * parser.c (cp_parser_alias_declaration): Call
645 parser_check_template_parameters.
647 PR c++/84789
648 * pt.c (resolve_typename_type): Drop assert that stopped
649 simplification to template-independent types. Add assert to
650 verify the initial scope is template dependent.
651 * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
652 Reparse the id expression as a type-name, not a declarator.
654 PR c++/84729
655 * init.c (build_vec_init): Error at parenthesized array init.
657 PR c++/84610
658 PR c++/84642
659 PR c++/84942
660 * cp-tree.h (temp_override): New template class, generalizing
661 a cleanup that was only used...
662 * parser.c (cp_parser_parameter_declaration_clause):
663 ... here for auto_is_implicit_function_template_parm_p.
664 (cp_parser_gnu_attributes_opt): Use it here as well.
665 (cp_parser_std_attribute): Likewise.
667 2018-03-22 Marek Polacek <polacek@redhat.com>
669 PR c++/84854
670 * semantics.c (finish_if_stmt_cond): Check if the type of the condition
671 is boolean.
673 2018-03-21 Jason Merrill <jason@redhat.com>
675 PR c++/81311 - wrong C++17 overload resolution.
676 * call.c (build_user_type_conversion_1): Remove C++17 code.
677 (conv_binds_ref_to_prvalue): New.
678 (build_over_call): Handle C++17 copy elision.
679 (build_special_member_call): Only do C++17 copy elision here if the
680 argument is already the right type.
682 2018-03-21 Alexandre Oliva <aoliva@redhat.com>
684 PR c++/71965
685 * init.c (build_vec_init): Silence error, former sorry,
686 without tf_error.
688 PR c++/84610
689 PR c++/84642
690 * parser.c (abort_fully_implicit_template_p): New.
691 (cp_parser_skip_to_end_of_statement): Use it.
692 (cp_parser_skip_to_end_of_block_or_statement): Likewise.
693 (finish_fully_implicit_template_p): Clear
694 implicit_template_parms and implicit_template_scope.
696 2018-03-21 Paolo Carlini <paolo.carlini@oracle.com>
698 PR c++/84972
699 * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
700 error_mark_node when check_array_designated_initializer fails.
702 2018-03-21 Jakub Jelinek <jakub@redhat.com>
704 PR c++/84961
705 * cp-tree.h (genericize_compound_lvalue): Declare.
706 * typeck.c (genericize_compound_lvalue): New function.
707 (unary_complex_lvalue, cp_build_modify_expr): Use it.
708 * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
709 and PREDECREMENT_EXPR in output and "m" constrained input operands with
710 COMPOUND_EXPR. Call cxx_mark_addressable on the rightmost
711 COMPOUND_EXPR operand.
713 2018-03-21 Nathan Sidwell <nathan@acm.org>
715 PR c++/85008
716 * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
717 * decl2.c (vague_linkage_p): Likewise.
719 2018-03-21 David Malcolm <dmalcolm@redhat.com>
721 PR c++/84994
722 * constexpr.c (constexpr_fn_retval): Make non-"static".
723 * cp-tree.h (constexpr_fn_retval): New decl.
724 * search.c (direct_accessor_p): Update leading comment.
725 (reference_accessor_p): Likewise.
726 (field_accessor_p): Replace check that function body is a
727 RETURN_EXPR with a call to constexpr_fn_retval. Fix
728 indentation of "field_type" decl.
730 2018-03-21 Nathan Sidwell <nathan@acm.org>
732 PR c++/84804
733 * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
734 complete classes.
736 2018-03-21 Martin Sebor <msebor@redhat.com>
738 PR c++/84850
739 * call.c (first_non_public_field): New template and function.
740 (first_non_trivial_field): New function.
741 (maybe_warn_class_memaccess): Call them.
743 2018-03-21 David Malcolm <dmalcolm@redhat.com>
745 PR c++/84892
746 * search.c (field_accessor_p): Use class_of_this_parm rather than
747 type_of_this_parm, to check that "this" is a "const T *", rather
748 than a "T *const".
750 2018-03-21 Nathan Sidwell <nathan@acm.org>
752 * class.c (finish_struct_anon_r): Refactor, deprecate anything
753 other than public non-static data members.
754 * parser.c (cp_parser_init_declarator): Deprecate attributes after
755 parenthesized initializer.
757 PR c++/84836
758 * name-lookup.c (update_binding): Correct logic for local binding
759 update.
761 2018-03-21 Marek Polacek <polacek@redhat.com>
763 PR c++/71638, ICE with NSDMI and reference.
764 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
765 even when we replace an element.
767 2018-03-20 Marek Polacek <polacek@redhat.com>
769 PR c++/84978, ICE with NRVO.
770 * constexpr.c (cxx_eval_constant_expression): Handle the case when
771 a RESULT_DECL isn't in the hash map.
773 2018-03-20 Jason Merrill <jason@redhat.com>
775 PR c++/84978, ICE with NRVO.
776 * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
777 (cp_get_callee_fndecl_nofold): New.
778 * cp-gimplify.c (cp_genericize_r): Use it instead.
779 * call.c (check_self_delegation): Likewise.
781 2018-03-20 Nathan Sidwell <nathan@acm.org>
783 PR c++/84962
784 * name-lookup.c (pushdecl_class_level): Push anon-struct's
785 member_vec, if there is one.
787 PR c++/84970
788 * cp-tree.h (lookup_list_keep): Declare.
789 * tree.c (lookup_list_keep): New, broken out of ...
790 (build_min): ... here. Call it.
791 * decl.c (cp_finish_decl): Call lookup_list_keep.
793 2018-03-19 Jason Merrill <jason@redhat.com>
795 PR c++/84937 - ICE with class deduction and auto.
796 * pt.c (rewrite_template_parm): Fix auto handling.
798 2018-03-19 Marek Polacek <polacek@redhat.com>
800 PR c++/84925
801 * pt.c (enclosing_instantiation_of): Check if fn is null.
803 PR c++/84927
804 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
805 as we evaluate the elements.
806 (cxx_eval_constant_expression): Verify constructor's flags
807 unconditionally.
809 2018-03-19 Jason Merrill <jason@redhat.com>
811 PR c++/71834 - template-id with too few arguments.
812 * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
814 2018-03-19 Nathan Sidwell <nathan@acm.org>
816 PR c++/84835
817 * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
818 * pt.c (build_template_decl): Propagate language linkage.
820 PR c++/84812
821 * name-lookup.c (set_local_extern_decl_linkage): Defend against
822 ambiguous lookups.
824 2018-03-16 Jakub Jelinek <jakub@redhat.com>
826 PR c/84910
827 * parser.c (cp_parser_lambda_introducer): Remove trailing space from
828 diagnostics.
829 * method.c (synthesize_method): Likewise.
830 * pt.c (convert_nontype_argument): Likewise.
832 2018-03-16 Jason Merrill <jason@redhat.com>
834 PR c++/84720 - ICE with rvalue ref non-type argument.
835 * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
836 (convert_nontype_argument): Revert earlier change.
838 PR c++/80227 - SFINAE and negative array size.
839 * decl.c (compute_array_index_type): Use
840 build_converted_constant_expr and valid_constant_size_p.
842 PR c++/84906 - silent wrong code with ambiguous conversion.
843 * call.c (build_user_type_conversion_1): Set need_temporary_p on
844 ambiguous conversion.
845 (convert_like_real): Check it.
847 PR c++/83937 - wrong C++17 handling of init-list ctor argument.
848 * call.c (build_special_member_call): Don't convert an init-list
849 argument directly to the class type.
851 2018-03-16 Jakub Jelinek <jakub@redhat.com>
853 PR c++/79937
854 PR c++/82410
855 * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
856 (find_placeholder): Declare.
857 * tree.c (struct replace_placeholders_t): Add exp member.
858 (replace_placeholders_r): Don't walk into ctors with
859 CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
860 d->exp. Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
861 (replace_placeholders): Initialize data.exp.
862 (find_placeholders_r, find_placeholders): New functions.
863 * typeck2.c (process_init_constructor_record,
864 process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
865 if adding NSDMI on which find_placeholder returns true.
866 * call.c (build_over_call): Don't call replace_placeholders here.
867 * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
868 TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
869 TARGET_EXPR_INITIAL.
870 (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
871 ctor.
873 2018-03-16 Jason Merrill <jason@redhat.com>
875 PR c++/83911 - ICE with multiversioned constructor.
876 * cp-gimplify.c (cp_genericize_r): Replace versioned function with
877 dispatchere here.
878 * call.c (build_over_call): Not here.
880 2018-03-16 Jakub Jelinek <jakub@redhat.com>
882 PR c++/84874
883 * decl.c (reshape_init_class): Don't assert d->cur->index == field
884 if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
886 2018-03-15 Jakub Jelinek <jakub@redhat.com>
888 PR c++/84222
889 * cp-tree.h (cp_warn_deprecated_use): Declare.
890 * tree.c (cp_warn_deprecated_use): New function.
891 * typeck2.c (build_functional_cast): Use it.
892 * decl.c (grokparms): Likewise.
893 (grokdeclarator): Likewise. Temporarily push nested class scope
894 around grokparms call for out of class member definitions.
896 2018-03-14 Jason Merrill <jason@redhat.com>
898 PR c++/84820 - no error for invalid qualified-id.
899 * parser.c (cp_parser_make_indirect_declarator): Don't wrap
900 cp_error_declarator.
902 PR c++/84801 - ICE with unexpanded pack in lambda.
903 * pt.c (check_for_bare_parameter_packs): Don't return early for a
904 lambda in non-template context.
906 PR c++/81236 - auto variable and auto function
907 * pt.c (tsubst_baselink): Update the type of the BASELINK after
908 mark_used.
910 2018-03-14 Jason Merrill <jason@redhat.com>
912 PR c++/83916 - ICE with template template parameters.
913 * pt.c (convert_template_argument): Don't substitute into type of
914 non-type parameter if we don't have enough arg levels.
915 (unify): Likewise.
917 2018-03-14 Marek Polacek <polacek@redhat.com>
919 PR c++/84596
920 * semantics.c (finish_static_assert): Check
921 instantiation_dependent_expression_p instead of
922 {type,value}_dependent_expression_p.
924 2018-03-13 Paolo Carlini <paolo.carlini@oracle.com>
925 Jason Merrill <jason@redhat.com>
927 PR c++/82336 - link error with list-init default argument.
928 * decl.c (check_default_argument): Unshare an initializer list.
930 2018-03-13 Jakub Jelinek <jakub@redhat.com>
932 PR c++/84843
933 * decl.c (duplicate_decls): For redefinition of built-in, use error
934 and return error_mark_node. For redeclaration, return error_mark_node
935 rather than olddecl if !flag_permissive.
937 2018-03-13 Jason Merrill <jason@redhat.com>
939 PR c++/82565 - ICE with concepts and generic lambda.
940 * pt.c (instantiate_decl): Clear fn_context for lambdas.
942 2018-03-13 Jason Merrill <jason@redhat.com>
944 PR c++/84720 - ICE with rvalue ref non-type argument.
945 * pt.c (convert_nontype_argument): Handle rvalue references.
947 PR c++/84839 - ICE with decltype of parameter pack.
948 * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
949 instantiating dummy parms.
951 * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
952 parameter even without -Wpedantic.
954 PR c++/84798 - ICE with auto in abstract function declarator.
955 * parser.c (cp_parser_parameter_declaration_clause): Check
956 parser->default_arg_ok_p.
958 2018-03-13 Jakub Jelinek <jakub@redhat.com>
960 PR c++/84808
961 * constexpr.c (find_array_ctor_elt): Don't use elt reference after
962 first potential CONSTRUCTOR_ELTS reallocation. Convert dindex to
963 sizetype. Formatting fixes.
965 2018-03-12 Jason Merrill <jason@redhat.com>
967 PR c++/84355 - ICE with deduction for member class template.
968 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
969 CLASS_PLACEHOLDER_TEMPLATE.
971 PR c++/84802 - ICE capturing uninstantiated class.
972 * lambda.c (build_capture_proxy): Call complete_type.
974 2018-03-09 Jason Merrill <jason@redhat.com>
976 PR c++/84770 - ICE with typedef and parameter pack.
977 * pt.c (verify_unstripped_args_1): Split out from
978 verify_unstripped_args.
980 PR c++/84785 - ICE with alias template and default targs.
981 * pt.c (type_unification_real): Set processing_template_decl if
982 saw_undeduced == 1.
984 PR c++/84752 - ICE with capture of constexpr array.
985 * call.c (standard_conversion): Set rvaluedness_matches_p on the
986 identity conversion under ck_lvalue.
988 2018-03-09 Jason Merrill <jason@redhat.com>
989 Paolo Carlini <paolo.carlini@oracle.com>
991 PR c++/71169
992 PR c++/71832
993 * pt.c (any_erroneous_template_args_p): New.
994 * cp-tree.h (any_erroneous_template_args_p): Declare it.
995 * parser.c (cp_parser_class_specifier_1): Use it.
997 2018-03-09 Jason Merrill <jason@redhat.com>
999 PR c++/84726 - unnecessary capture of constant vars.
1000 * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
1001 (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
1002 * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
1003 * lambda.c (is_constant_capture_proxy)
1004 (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
1005 (prune_lambda_captures): New.
1006 (finish_lambda_function): Call prune_lambda_captures.
1008 2018-03-09 Jason Merrill <jason@redhat.com>
1009 Jakub Jelinek <jakub@redhat.com>
1011 PR c++/84076
1012 * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
1013 build ADDR_EXPR with REFERENCE_TYPE.
1014 (build_over_call): For purposes of check_function_arguments, if
1015 argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
1016 its operand rather than the argument itself.
1018 2018-03-09 Jakub Jelinek <jakub@redhat.com>
1020 PR c++/84724
1021 * decl.c (duplicate_decls): Don't override __* prefixed builtins
1022 except for __[^b]*_chk, instead issue permerror and for -fpermissive
1023 also a note and return olddecl.
1025 2018-03-09 Nathan Sidwell <nathan@acm.org>
1027 PR c++/84733
1028 * name-lookup.c (do_pushdecl_with_scope): Only clear
1029 current_function_decl when pushing a non-class (i.e. namespace)
1030 scope.
1032 2018-03-08 Jason Merrill <jason@redhat.com>
1033 Jakub Jelinek <jakub@redhat.com>
1035 PR c++/80598
1036 * call.c (build_over_call): In templates set TREE_USED (first_fn) when
1037 not calling mark_used for the benefit of -Wunused-function warning.
1039 2018-03-06 Jason Merrill <jason@redhat.com>
1041 * lambda.c (is_capture_proxy_with_ref): Remove.
1042 * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
1044 2018-03-06 Marek Polacek <polacek@redhat.com>
1046 PR c++/84684
1047 * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
1048 arguments.
1050 2018-03-06 Alexandre Oliva <aoliva@redhat.com>
1052 PR c++/84231
1053 * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
1054 only while processing template decls.
1055 * typeck.c (build_x_conditional_expr): Move wrapping of
1056 reference type around type...
1057 * call.c (build_conditional_expr_1): ... here. Rename
1058 is_lvalue to is_glvalue.
1059 * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
1060 INDIRECT_REF of COND_EXPR too.
1062 PR c++/84593
1063 * init.c (build_zero_init_1): Zero-initialize references.
1065 PR c++/84492
1066 * semantics.c (finish_stmt_expr_expr): Reject unresolved
1067 overloads used as stmt expr values.
1069 2018-03-05 Jason Merrill <jason@redhat.com>
1071 PR c++/84708 - ICE with lambda in local class NSDMI.
1072 * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
1073 context.
1075 2018-03-05 Jakub Jelinek <jakub@redhat.com>
1077 PR c++/84684
1078 * constexpr.c (constexpr_call_hasher::equal): Return false if
1079 lhs->hash != rhs->hash. Change return 1 to return true and
1080 return 0 to return false.
1082 2018-03-05 Nathan Sidwell <nathan@acm.org>
1084 PR c++/84702
1085 * pt.c (process_template_arg): Mark lookup_keep on a default arg.
1087 2018-03-05 Marek Polacek <polacek@redhat.com>
1089 PR c++/84707
1090 * decl.c (duplicate_decls): Check DECL_NAME before accessing
1091 UDLIT_OPER_P.
1093 2018-03-05 Nathan Sidwell <nathan@acm.org>
1095 PR c++/84694
1096 * friend.c (do_friend): Restore check for identifier_p inside
1097 TEMPLATE_ID_EXPR.
1099 2018-03-05 Paolo Carlini <paolo.carlini@oracle.com>
1101 PR c++/84618
1102 * parser.c (cp_parser_lambda_introducer): Reject any capture not
1103 involving a VAR_DECL or a PARM_DECL.
1105 2018-03-05 Pádraig Brady <P@draigBrady.com>
1106 Jason Merrill <jason@redhat.com>
1107 Nathan Sidwell <nathan@acm.org>
1109 PR c++/84497
1110 * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
1112 2018-03-03 Jason Merrill <jason@redhat.com>
1114 PR c++/84686 - missing volatile loads.
1115 * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
1117 2018-03-03 Paolo Carlini <paolo.carlini@oracle.com>
1119 PR c++/71464
1120 * optimize.c (maybe_thunk_body): Bail out immediately if either
1121 fns[0] or fns[1] is null.
1123 2018-03-02 Marek Polacek <polacek@redhat.com>
1125 PR c++/84578
1126 * constexpr.c (get_array_or_vector_nelts): New.
1127 (cxx_eval_array_reference): Use it.
1128 (cxx_eval_vec_init_1): Likewise.
1129 (cxx_eval_store_expression): Likewise.
1131 2018-03-02 Jason Merrill <jason@redhat.com>
1133 * semantics.c (force_paren_expr): Remove redundant test.
1135 2018-03-02 Marek Polacek <polacek@redhat.com>
1137 PR c++/84663
1138 * decl.c (cp_complete_array_type): Check error_mark_node.
1140 PR c++/84664
1141 * typeck.c (cp_perform_integral_promotions): Check the result of
1142 mark_rvalue_use.
1144 2018-03-02 Jakub Jelinek <jakub@redhat.com>
1146 PR c++/84662
1147 * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
1148 RETURN instead of return.
1149 <case POINTER_PLUS_EXPR>: Likewise.
1150 <case CONVERT_EXPR>: If op0 is error_mark_node, just return
1151 it instead of wrapping it into CONVERT_EXPR.
1153 2018-03-02 Jason Merrill <jason@redhat.com>
1155 Fix MIPS16 ICE.
1156 * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
1158 2018-03-02 Marek Polacek <polacek@redhat.com>
1160 PR c++/84590
1161 * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
1162 wrapped in VIEW_CONVERT_EXPR.
1164 2018-03-01 Martin Sebor <msebor@redhat.com>
1166 PR c++/84294
1167 * decl.c (check_redeclaration_no_default_args): Merge attributes
1168 specified on redeclarations of the same function template.
1169 Remove dead code.
1171 2018-03-01 Marek Polacek <polacek@redhat.com>
1172 Jason Merrill <jason@redhat.com>
1174 PR c++/84582
1175 * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
1176 a template.
1177 (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
1178 * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
1179 of instantiate_non_dependent_expr.
1180 * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
1182 2018-03-01 Nathan Sidwell <nathan@acm.org>
1184 PR c++/84434
1185 * name-lookup.c (member_vec_dedup): Remove manually peeled
1186 iteration. Ignore dependent ctor inheritance.
1188 2018-03-01 Jason Merrill <jason@redhat.com>
1190 PR c++/71569 - decltype of template.
1191 * parser.c (cp_parser_decltype_expr): Handle missing template args.
1193 2018-03-01 Marek Polacek <polacek@redhat.com>
1195 PR c++/84596
1196 * constexpr.c (require_rvalue_constant_expression): New function.
1197 * cp-tree.h: Declare it.
1198 * semantics.c (finish_static_assert): Use it instead of
1199 require_potential_rvalue_constant_expression.
1201 2018-03-01 Jason Merrill <jason@redhat.com>
1202 Alexandre Oliva <aoliva@redhat.com>
1204 PR c++/71569 - ICE with redundant args on member variable template.
1205 * decl.c (start_decl): Handle partial specialization of member
1206 variable template.
1207 * pt.c (determine_specialization): Allow partial specialization
1208 of member variable template without specializing enclosing class.
1209 (process_partial_specialization): Improve error message.
1211 2018-02-28 Jason Merrill <jason@redhat.com>
1213 PR c++/71784 - ICE with ref-qualifier and explicit specialization.
1214 * pt.c (determine_specialization): Check ref-qualifier.
1216 2018-02-28 Jakub Jelinek <jakub@redhat.com>
1218 PR c++/84609
1219 * parser.c (cp_parser_attributes_opt): Formatting fix.
1220 (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
1221 cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
1222 New functions.
1223 (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
1224 instead of tentative parse to peek over optional attribute tokens
1225 to check for CPP_COLON after them.
1227 PR c++/83871
1228 PR c++/83503
1229 * pt.c (INCLUDE_STRING): Remove define.
1230 (warn_spec_missing_attributes): Use pretty_printer instead of
1231 std::string. Fix up inform call so that the list of attributes
1232 is in %s argument.
1234 2018-02-28 Martin Sebor <msebor@redhat.com>
1236 PR testsuite/84617
1237 * decl.c (duplicate_decls): Fully merge attributes const, pure,
1238 and malloc.
1240 2018-02-28 Nathan Sidwell <nathan@acm.org>
1242 PR c++/84602
1243 * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
1244 * name-lookup.c (fields_linear_search): Look in an anon-aggr
1245 regardless of want_type.
1246 (search_anon_aggr): Just use get_class_binding_direct.
1248 2018-02-28 Jakub Jelinek <jakub@redhat.com>
1250 * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
1251 inform_n.
1253 2018-02-27 Martin Sebor <msebor@redhat.com>
1255 * pt.c: Avoid including <string> directly.
1257 2018-02-27 Martin Sebor <msebor@redhat.com>
1259 PR c++/83871
1260 PR c++/83503
1261 * cp-tree.h (warn_spec_missing_attributes): New function.
1262 ((check_explicit_specialization): Add an argument. Call the above
1263 function.
1264 * decl.c (duplicate_decls): Avoid applying primary function template's
1265 attributes to its explicit specializations.
1266 cp/pt.c (warn_spec_missing_attributes): Define.
1268 2018-02-27 Håkon Sandsmark <hsandsmark@gmail.com>
1270 PR c++/71546 - lambda init-capture with qualified-id.
1271 * parser.c (cp_parser_lambda_introducer): Clear scope after
1272 each lambda capture.
1274 2018-02-27 Nathan Sidwell <nathan@acm.org>
1276 PR c++/84426
1277 * name-lookup.h (get_member_slot): Rename ...
1278 (find_member_slot): ... here.
1279 (add_member_slot): New.
1280 * name-lookup.c (member_vec_linear_search): No need to check for
1281 NULL slot.
1282 (get_member_slot): Rename ...
1283 (find_member_slot): ... here. Don't add slot for incomplete class.
1284 (add_member_slot): New.
1285 * class.c (add_method): Adjust get_member_slot rename. Bail out
1286 if push_class_level_binding fails. Create slot and grok
1287 properties once we're committed to insertion.
1289 2018-02-27 Jason Merrill <jason@redhat.com>
1291 PR c++/84489 - dependent default template argument
1292 * pt.c (type_unification_real): Handle early substitution failure.
1294 2018-02-26 Jason Merrill <jason@redhat.com>
1296 PR c++/84560 - ICE capturing multi-dimensional VLA.
1297 * tree.c (array_of_runtime_bound_p): False if the element is
1298 variably-modified.
1300 PR c++/84441 - ICE with base initialized from ?:
1301 * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
1303 PR c++/84520 - ICE with generic lambda in NSDMI.
1304 * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
1305 'this' in a generic lambda instantiation.
1307 PR c++/84559 - ICE with constexpr VLA.
1308 * constexpr.c (ensure_literal_type_for_constexpr_object): Check
1309 for constexpr variable with VLA type.
1311 2018-02-26 Jakub Jelinek <jakub@redhat.com>
1313 PR c++/84558
1314 * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
1315 a valid constant initializer. Formatting fixes.
1317 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
1319 PR c++/84540
1320 * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
1321 returning NULL_TREE.
1322 (apply_late_template_attributes): Likewise.
1324 2018-02-26 Jakub Jelinek <jakub@redhat.com>
1326 PR c++/84557
1327 * parser.c (cp_parser_omp_var_list_no_open): Only call
1328 cp_parser_lookup_name_simple on names satisfying identifier_p.
1329 (cp_parser_oacc_routine): Likewise.
1331 2018-02-26 Jason Merrill <jason@redhat.com>
1333 PR c++/84551 - ICE with concepts and -g.
1334 * parser.c (add_debug_begin_stmt): Do nothing in a concept.
1336 2018-02-26 Marek Polacek <polacek@redhat.com>
1338 PR c++/84325
1339 * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
1340 non-types.
1342 2018-02-26 Jason Merrill <jason@redhat.com>
1344 PR c++/84447 - ICE with deleted inherited ctor with default arg.
1345 * call.c (build_over_call): Handle deleted functions in one place.
1347 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
1349 PR c++/84533
1350 * decl.c (redeclaration_error_message): Don't try to use
1351 DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
1353 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
1355 * lambda.c (build_capture_proxy): Define static.
1356 * cp-tree.h (build_capture_proxy): Remove.
1358 2018-02-26 Marek Polacek <polacek@redhat.com>
1360 PR c++/84537
1361 * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
1362 if name is error node.
1364 2018-02-25 Jason Merrill <jason@redhat.com>
1366 PR c++/84015 - ICE with class deduction and auto template parm.
1367 * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
1369 2018-02-24 Marek Polacek <polacek@redhat.com>
1371 PR c++/83692
1372 * constexpr.c (maybe_constant_init_1): New function.
1373 (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
1374 (cxx_constant_init): New function.
1375 * cp-tree.h (cxx_constant_init): Declare.
1376 * typeck2.c (store_init_value): Call cxx_constant_init instead of
1377 cxx_constant_value. Move the maybe_constant_init call under an 'else'.
1379 2018-02-22 Jason Merrill <jason@redhat.com>
1381 PR c++/70468 - ICE with constructor delegation via typedef.
1382 * pt.c (tsubst_initializer_list): Check for other mem-initializers
1383 with constructor delegation.
1385 2018-02-22 Jason Merrill <jason@redhat.com>
1387 PR c++/84424 - ICE with constexpr and __builtin_shuffle.
1388 * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
1389 VECTOR_TYPE.
1391 2018-02-22 Marek Polacek <polacek@redhat.com>
1393 PR c++/84493
1394 * parser.c (cp_parser_braced_list): Use require_open instead of
1395 consume_open.
1397 2018-02-21 Jason Merrill <jason@redhat.com>
1399 PR c++/84454 - ICE with pack expansion in signature.
1400 * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
1402 2018-02-20 Siddhesh Poyarekar <siddhesh@sourceware.org>
1404 * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
1405 IF_STMT.
1407 2018-02-20 Paolo Carlini <paolo.carlini@oracle.com>
1409 PR c++/84446
1410 * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
1411 on error_mark_node.
1413 2018-02-20 Jakub Jelinek <jakub@redhat.com>
1415 PR c++/84445
1416 * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
1417 TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
1419 PR c++/84449
1420 * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
1421 returns error_mark_node, return it immediately.
1422 (break_out_target_exprs): If cp_walk_tree with bot_manip returns
1423 error_mark_node, return error_mark_node.
1425 PR c++/84455
1426 * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
1427 function_depth to avoid GC during finish_lambda_function.
1429 2018-02-19 Jason Merrill <jason@redhat.com>
1431 PR c++/84429 - ICE capturing VLA.
1432 * lambda.c (build_capture_proxy): Handle reference refs.
1434 2018-02-19 Jakub Jelinek <jakub@redhat.com>
1436 PR c++/84448
1437 * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
1438 either operand is error_mark_node, set current.lhs to that instead of
1439 creating a binary op with error_mark_node operands.
1441 PR c++/84430
1442 * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
1444 2018-02-19 Paolo Carlini <paolo.carlini@oracle.com>
1446 PR c++/84348
1447 * decl.c (grokdeclarator): Early return error_mark_node upon
1448 ill-formed friend declaration.
1450 2018-02-16 Marek Polacek <polacek@redhat.com>
1451 Jakub Jelinek <jakub@redhat.com>
1453 PR c++/84192
1454 * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
1455 set *jump_target to anything if jump_target is NULL.
1457 2018-02-16 Jason Merrill <jason@redhat.com>
1459 PR c++/84151 - unnecessary volatile load with static member.
1460 * call.c (build_new_method_call_1): Avoid loading from a volatile
1461 lvalue used as the object argument for a static member function.
1463 PR c++/81853 - using-directive and constexpr.
1464 * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
1466 PR c++/84420 - ICE with structured binding in lambda.
1467 * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
1469 PR c++/83835 - C++17 error with constructor ctors.
1470 * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
1472 PR c++/82664 - ICE with reference to function template parm.
1473 * pt.c (convert_nontype_argument_function): Avoid obfuscationg
1474 NOP_EXPRs.
1476 PR c++/82764 - C++17 ICE with empty base
1477 * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
1479 2018-02-16 Jason Merrill <jason@redhat.com>
1481 PR c++/84421 - type-dependent if constexpr
1482 * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
1484 2018-02-16 Nathan Sidwell <nathan@acm.org>
1486 Deprecate -ffriend-injection.
1487 * decl.c (cxx_init_decl_processing): Emit warning on option.
1488 * name-lookup.c (do_pushdecl): Emit warning if we push a visible
1489 friend.
1491 2018-02-16 Paolo Carlini <paolo.carlini@oracle.com>
1493 PR c++/82468
1494 * decl.c (check_special_function_return_type): Reject template
1495 template parameter in deduction guide.
1497 2018-02-16 Nathan Sidwell <nathan@acm.org>
1499 PR c++/84375
1500 * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
1502 2018-02-15 Jason Merrill <jason@redhat.com>
1504 PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
1505 * call.c (convert_like_real): Don't use the copy-list-initialization
1506 shortcut for ck_base.
1508 PR c++/84045 - ICE with typedef and noexcept.
1509 * except.c (build_noexcept_spec): Use strip_typedefs_expr.
1511 PR c++/84376 - ICE with omitted template arguments.
1512 * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
1514 PR c++/84368 - wrong error with local variable in variadic lambda.
1515 * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
1516 local_specializations.
1518 2018-02-15 Paolo Carlini <paolo.carlini@oracle.com>
1520 PR c++/84330
1521 * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
1522 as first argument.
1524 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
1526 PR c++/84350
1527 * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
1528 init, early return.
1530 2018-02-14 Nathan Sidwell <nathan@acm.org>
1532 * decl2.c (mark_vtable_entries): Set input_location to decl's.
1533 (c_parse_final_cleanups): Restore input_location after emitting
1534 vtables.
1536 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
1538 * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
1539 (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
1540 auto_deduction_context, tree, int): Add defaults.
1541 * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
1542 (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
1543 tsubst_flags_t argument.
1544 * init.c (build_new): Likewise.
1546 2018-02-13 Jakub Jelinek <jakub@redhat.com>
1548 PR c++/84364
1549 * typeck.c (check_return_expr): Don't emit -Weffc++ warning
1550 about return other than *this in assignment operators if
1551 retval is type dependent expression.
1553 2018-02-13 Paolo Carlini <paolo.carlini@oracle.com>
1555 PR c++/84333
1556 * call.c (build_conditional_expr_1): Use cp_save_expr instead of
1557 save_expr for the G++ extension.
1559 2018-02-13 Jason Merrill <jason@redhat.com>
1561 PR c++/84080 - ICE with return type deduction and specialization.
1562 * pt.c (determine_specialization): Check uses_template_parms.
1564 Fix more variadic capture issues.
1565 * pt.c (find_parameter_packs_r): Also look at explicit captures.
1566 (check_for_bare_parameter_packs): Check current_class_type for
1567 lambda context.
1568 (extract_locals_r): Handle seeing a full instantiation of a pack.
1569 (tsubst_pack_expansion): Likewise. Force lambda capture.
1570 * parser.c (cp_parser_lambda_introducer): Don't
1571 check_for_bare_parameter_packs.
1573 PR c++/84338 - wrong variadic sizeof.
1574 * pt.c (argument_pack_select_arg): Like the macro, but look through
1575 a pack expansion.
1576 (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
1577 (extract_fnparm_pack): Do make_pack_expansion.
1578 (extract_locals_r): Do strip a pack expansion.
1579 * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
1581 2018-02-12 Jakub Jelinek <jakub@redhat.com>
1583 PR c++/84341
1584 * parser.c (cp_parser_binary_expression): Use build_min instead of
1585 build2_loc to build the no_toplevel_fold_p toplevel binary expression.
1587 2018-02-12 Nathan Sidwell <nathan@acm.org>
1589 PR c++/84263
1590 * parser.c (cp_parser_decltype): Push and pop
1591 deferring_access_checks. Reorganize to avoid goto.
1593 2018-02-12 Richard Biener <rguenther@suse.de>
1595 PR c++/84281
1596 * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
1597 uniform constructors and delay allocating them fully.
1599 2018-02-09 Jason Merrill <jason@redhat.com>
1601 PR c++/84036 - ICE with variadic capture.
1602 Handle variadic capture proxies more like non-variadic.
1603 * lambda.c (build_capture_proxy): Remove workaround.
1604 * pt.c (find_parameter_packs_r): The proxy is a pack.
1605 (instantiate_class_template_1): Remove dead lambda code.
1606 (extract_fnparm_pack): Don't make_pack_expansion.
1607 (extract_locals_r): Don't strip a pack expansion.
1608 (tsubst_pack_expansion): Handle proxy packs. Use
1609 PACK_EXPANSION_EXTRA_ARGS less.
1610 (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
1611 (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
1612 [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
1613 (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
1614 (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
1616 2018-02-10 Jakub Jelinek <jakub@redhat.com>
1618 PR sanitizer/83987
1619 * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
1621 2018-02-09 Jason Merrill <jason@redhat.com>
1623 PR c++/81917 - ICE with void_t and partial specialization.
1624 * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
1625 calling most_specialized_partial_spec.
1627 2018-02-09 Nathan Sidwell <nathan@acm.org>
1629 PR c/84293
1630 * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
1631 Pass expr location to strict_aliasing_warning.
1633 2018-02-09 Jason Merrill <jason@redhat.com>
1635 PR c++/84296 - ICE with qualified-id in template.
1636 PR c++/83714
1637 * pt.c (unknown_base_ref_p): New.
1638 (instantiation_dependent_scope_ref_p): Use it instead of
1639 any_dependent_bases_p.
1641 2018-02-09 Marek Polacek <polacek@redhat.com>
1642 Jakub Jelinek <jakub@redhat.com>
1644 PR c++/83659
1645 * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
1646 fold_indirect_ref_1, including poly_*int64. Verify first that
1647 tree_fits_poly_int64_p (op01). Formatting fixes.
1649 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
1651 * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
1652 * lambda.c (build_capture_proxy): Likewise.
1653 * search.c (field_access_p): Likewise.
1654 * semantics.c (omp_clause_decl, omp_privatize_field,
1655 finish_omp_clauses): Likewise.
1657 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
1659 PR c++/83806
1660 * typeck.c (decay_conversion): Use mark_rvalue_use for the special
1661 case of nullptr too.
1663 2018-02-08 Nathan Sidwell <nathan@acm.org>
1665 * class.c (finish_struct): Fix std:initializer_list diagnostic
1666 formatting.
1668 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
1670 PR c++/83204
1671 * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
1673 2018-02-07 Jakub Jelinek <jakub@redhat.com>
1675 PR c++/84082
1676 * parser.c (cp_parser_dot_deref_incomplete): New function.
1677 (cp_parser_postfix_dot_deref_expression): Use it.
1679 2018-02-07 David Malcolm <dmalcolm@redhat.com>
1681 PR c++/81610
1682 PR c++/80567
1683 * name-lookup.c (suggest_rid_p): New function.
1684 (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
1685 suggest_rid_p.
1687 2018-02-07 Jason Merrill <jason@redhat.com>
1689 PR c++/84182 - ICE with captured lambda
1690 PR c++/84181
1691 * pt.c (extract_locals_r, extract_local_specs): New.
1692 (tsubst_pack_expansion): Use them.
1694 2018-02-07 Martin Liska <mliska@suse.cz>
1696 PR c++/84059.
1697 * class.c (add_method): Append argument value.
1698 * cp-tree.h (maybe_version_functions): Add new argument.
1699 * decl.c (decls_match): Call it if a declaration does not
1700 have DECL_FUNCTION_VERSIONED.
1701 (maybe_version_functions): record argument is added.
1703 2018-02-05 Marek Polacek <polacek@redhat.com>
1705 * class.c: Remove unused global variables.
1706 (build_primary_vtable): Don't gather statistics.
1707 (print_class_statistics): Remove.
1708 * cp-tree.h (print_class_statistics): Remove.
1709 * tree.c (cxx_print_statistics): Don't call print_class_statistics.
1711 2018-02-02 Paolo Carlini <paolo.carlini@oracle.com>
1713 * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
1714 * constexpr.c (cx_check_missing_mem_inits): Likewise.
1715 * decl.c (next_initializable_field, find_decomp_class_base,
1716 cp_finish_decomp): Likewise.
1717 * typeck2.c (process_init_constructor_record): Likewise.
1719 2018-02-02 Jason Merrill <jason@redhat.com>
1721 PR c++/84181 - ICE with lambda parm in template argument.
1722 * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
1724 2018-02-01 Jason Merrill <jason@redhat.com>
1726 PR c++/84160 - ICE with nested variadic capture.
1727 * lambda.c (is_capture_proxy_with_ref): New.
1728 (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
1729 COMPONENT_REF.
1730 * expr.c (mark_use): Use is_capture_proxy_with_ref.
1731 * constexpr.c (potential_constant_expression_1): Likewise.
1732 * semantics.c (process_outer_var_ref): Likewise.
1734 2018-02-01 Marek Polacek <polacek@redhat.com>
1736 PR c++/84125
1737 * typeck.c (build_address): Relax the assert when
1738 processing_template_decl.
1740 2018-02-01 Jason Merrill <jason@redhat.com>
1742 PR c++/84126 - ICE with variadic generic lambda
1743 PR c++/84036
1744 PR c++/82249
1745 * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
1746 PACK_EXPANSION_EXTRA_ARGS.
1748 2018-02-01 Paolo Carlini <paolo.carlini@oracle.com>
1750 PR c++/83796
1751 * call.c (convert_like_real): If w're initializing from {} explicitly
1752 call abstract_virtuals_error_sfinae.
1754 2018-01-31 Jason Merrill <jason@redhat.com>
1755 Jakub Jelinek <jakub@redhat.com>
1757 PR c++/83993
1758 * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
1759 around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
1760 on ADDR_EXPR.
1762 2018-01-31 Jakub Jelinek <jakub@redhat.com>
1764 PR c++/83993
1765 * constexpr.c (diag_array_subscript): Emit different diagnostics
1766 if TYPE_DOMAIN (arraytype) is NULL.
1767 (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
1768 with NULL TYPE_DOMAIN use size_zero_node as nelts.
1770 2018-01-31 Paolo Carlini <paolo.carlini@oracle.com>
1772 PR c++/84092
1773 * semantics.c (finish_qualified_id_expr): When handling an
1774 UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
1776 2018-01-31 Marek Polacek <polacek@redhat.com>
1778 PR c++/84138
1779 * cp-gimplify.c (cp_fold): Check if X is an error node before
1780 calling useless_type_conversion_p.
1782 2018-01-30 Jason Merrill <jason@redhat.com>
1784 PR c++/84091 - ICE with local class in lambda in template.
1785 * decl2.c (determine_visibility): Look for outer containing template
1786 instantiation.
1788 PR c++/84098 - ICE with lambda in template NSDMI.
1789 * pt.c (instantiate_class_template_1): Ignore more lambdas.
1791 2018-01-29 Jason Merrill <jason@redhat.com>
1793 PR c++/68810 - wrong location for reinterpret_cast error.
1794 * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
1795 !dofold.
1797 2018-01-29 Marek Polacek <polacek@redhat.com>
1799 PR c++/83996
1800 * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
1801 => fooarray[1] in offset_int.
1803 2018-01-29 Jason Merrill <jason@redhat.com>
1805 PR c++/83942 - wrong unused warning with static_cast.
1806 * cvt.c (ocp_convert): Call mark_rvalue_use.
1808 2018-01-26 Jason Merrill <jason@redhat.com>
1810 PR c++/83956 - wrong dtor error with anonymous union
1811 * method.c (walk_field_subobs): Variant members only affect
1812 deletedness.
1813 (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
1815 PR c++/84036 - ICE with variadic capture.
1816 PR c++/82249
1817 * pt.c (tsubst_pack_expansion): When optimizing a simple
1818 substitution, pull a single pack expansion out of its pack.
1820 PR c++/82514 - ICE with local class in generic lambda.
1821 * pt.c (regenerated_lambda_fn_p): Remove.
1822 (enclosing_instantiation_of): Don't use it.
1823 (tsubst_function_decl): Call enclosing_instantiation_of.
1825 * pt.c (lookup_template_class_1): Add sanity check.
1826 * name-lookup.c (do_pushtag): Don't add closures to local_classes.
1828 2018-01-25 Jakub Jelinek <jakub@redhat.com>
1830 PR c++/84031
1831 * decl.c (find_decomp_class_base): Ignore unnamed bitfields. Ignore
1832 recursive calls that return ret.
1833 (cp_finish_decomp): Ignore unnamed bitfields.
1835 2018-01-23 Jason Merrill <jason@redhat.com>
1837 PR c++/82249 - wrong mismatched pack length error.
1838 * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
1839 unsubstituted function parameter pack.
1841 2018-01-23 Paolo Carlini <paolo.carlini@oracle.com>
1843 PR c++/83921
1844 * decl.c (check_for_uninitialized_const_var): Not static; add
1845 bool and tsubst_flags_t parameters; adjust to be used both in
1846 constexpr context and not.
1847 * constexpr.c (potential_constant_expression_1): Use the above.
1848 * cp-tree.h (check_for_uninitialized_const_var): Declare.
1850 2018-01-23 Jason Merrill <jason@redhat.com>
1852 PR c++/83947 - ICE with auto declarations.
1853 * pt.c (do_auto_deduction): Don't deduce from an auto decl.
1854 * decl.c (undeduced_auto_decl): Limit to vars and fns.
1856 2018-01-23 David Malcolm <dmalcolm@redhat.com>
1858 PR c++/83974
1859 * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
1860 for pointer to member function types.
1862 2018-01-23 Jakub Jelinek <jakub@redhat.com>
1864 PR sanitizer/83987
1865 * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
1866 DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
1868 2018-01-23 Nathan Sidwell <nathan@acm.org>
1870 PR c++/83988
1871 * pt.c (tsubst_baselink): Remove optype assert.
1872 * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
1874 2018-01-23 Jakub Jelinek <jakub@redhat.com>
1876 PR c++/83958
1877 * decl.c (cp_finish_decomp): Diagnose if reference structure binding
1878 refers to incomplete type.
1880 2018-01-23 Nathan Sidwell <nathan@acm.org>
1882 Deprecate ARM-era for scope handling
1883 * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
1884 (cxx_init_decl_processing): Deprecate flag_new_for_scope being
1885 cleared.
1886 * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
1887 cleanup handling.
1888 * semantics.c (begin_for_scope): Flag_new_for_scope is
1889 boolean-like.
1890 (finish_for_stmt, begin_range_for_stmt): Likewise.
1892 2018-01-22 Jason Merrill <jason@redhat.com>
1894 PR c++/83720
1895 * decl2.c (determine_visibility): Fix template_decl handling
1896 instead of blocking it.
1898 PR c++/83720 - ICE with lambda and LTO.
1899 * decl2.c (determine_visibility): Clear template_decl for
1900 function-scope decls. Propagate anonymous linkage from containing
1901 function.
1903 2018-01-22 Marek Polacek <polacek@redhat.com>
1905 PR c++/81933
1906 * typeck2.c (split_nonconstant_init_1): Return false if we didn't
1907 split out anything.
1909 2018-01-22 Ville Voutilainen <ville.voutilainen@gmail.com>
1911 PR c++/83895
1912 * decl.c (grokdeclarator): Don't diagnose extra parens
1913 on typedefs.
1915 2018-01-19 Jakub Jelinek <jakub@redhat.com>
1917 PR c++/81167
1918 * call.c (joust): Use TREE_TYPE (source) if source is
1919 a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
1921 PR c++/83919
1922 * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
1923 for direct enum init.
1924 * decl.c (reshape_init): Likewise.
1926 2018-01-19 Marek Polacek <polacek@redhat.com>
1928 * constexpr.c (fold_simple): Simplify.
1930 2018-01-18 Jason Merrill <jason@redhat.com>
1932 PR c++/83714
1933 * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
1934 * pt.c (instantiation_dependent_scope_ref_p): True if
1935 any_dependent_bases_p.
1937 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
1939 * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
1940 vs DECL_NONTRIVIALLY_INITIALIZED_P).
1942 2018-01-18 Jason Merrill <jason@redhat.com>
1944 PR c++/82461 - constexpr list-initialized member
1945 * constexpr.c (potential_constant_expression_1): Check
1946 TARGET_EXPR_DIRECT_INIT_P.
1948 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
1950 PR c++/81013
1951 * decl.c (xref_basetypes): Early return upon error about derived
1952 union.
1954 2018-01-18 Nathan Sidwell <nathan@acm.org>
1956 PR c++/83160
1957 * cp-tree.h (mark_use): Declare.
1958 * expr.c (mark_use): Make extern.
1959 * call.c (direct_reference_binding): Set inner conv's
1960 rvaluedness_matches_p, if it is an identity.
1961 (convert_like_real): Mark lvalue or rvalue use for identity as
1962 rvaledness_matches_p demands.
1964 2018-01-18 Jakub Jelinek <jakub@redhat.com>
1966 PR c++/83824
1967 * parser.c (attr_chainon): New function.
1968 (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
1969 cp_parser_namespace_definition, cp_parser_init_declarator,
1970 cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
1971 cp_parser_gnu_attributes_opt): Use it.
1972 (cp_parser_member_declaration, cp_parser_objc_class_ivars,
1973 cp_parser_objc_struct_declaration): Likewise. Don't reset
1974 prefix_attributes if attributes is error_mark_node.
1976 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
1978 PR c++/78344
1979 * decl.c (grokdeclarator): Do not append the error_mark_node
1980 due to an erroneous optional attribute-specifier-seq.
1982 2018-01-17 Jakub Jelinek <jakub@redhat.com>
1984 PR c++/83897
1985 * cp-gimplify.c (cp_maybe_instrument_return): Handle
1986 CLEANUP_POINT_EXPR.
1988 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
1990 PR c++/81054
1991 * constexpr.c (ensure_literal_type_for_constexpr_object): Return
1992 error_mark_node when we give an error.
1993 * decl.c (cp_finish_decl): Use the latter.
1995 2018-01-17 Nathan Sidwell <nathan@acm.org>
1997 PR c++/83287
1998 * init.c (build_raw_new_expr): Scan list for lookups to keep.
2000 2018-01-17 David Malcolm <dmalcolm@redhat.com>
2002 PR c++/83814
2003 * expr.c (fold_for_warn): Move from c-common.c, reducing to just
2004 the C++ part. If processing a template, call
2005 fold_non_dependent_expr rather than fully folding.
2007 2018-01-17 Jason Merrill <jason@redhat.com>
2009 PR c++/81067 - redundant NULL warning.
2010 * call.c (convert_like_real): Restore null_node handling.
2012 2018-01-17 Jason Merrill <jason@redhat.com>
2014 PR c++/81843 - ICE with variadic member template.
2015 PR c++/72801
2016 * pt.c (unify_pack_expansion): Don't try to deduce enclosing
2017 template args.
2019 2018-01-17 David Malcolm <dmalcolm@redhat.com>
2021 PR c++/83799
2022 * pt.c (type_dependent_expression_p): Strip any location wrapper
2023 before testing tree codes.
2024 (selftest::test_type_dependent_expression_p): New function.
2025 (selftest::cp_pt_c_tests): Call it.
2027 2018-01-17 Nathan Sidwell <nathan@acm.org>
2029 PR c++/83739
2030 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
2031 this not a final instantiation.
2033 2018-01-16 Jason Merrill <jason@redhat.com>
2035 PR c++/83714 - ICE checking return in template.
2036 * typeck.c (check_return_expr): Call build_non_dependent_expr.
2038 2018-01-16 Jakub Jelinek <jakub@redhat.com>
2040 PR c++/83817
2041 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
2042 is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
2043 instead of CALL_FROM_THUNK_P.
2045 PR c++/83825
2046 * name-lookup.c (member_vec_dedup): Return early if len is 0.
2047 (resort_type_member_vec, set_class_bindings,
2048 insert_late_enum_def_bindings): Use vec qsort method instead of
2049 calling qsort directly.
2051 2018-01-15 Martin Sebor <msebor@redhat.com>
2053 PR c++/83588
2054 * class.c (find_flexarrays): Make a record of multiple flexible array
2055 members.
2057 2018-01-12 Jason Merrill <jason@redhat.com>
2059 PR c++/83186 - ICE with static_cast of list-initialized temporary.
2060 * typeck.c (build_static_cast): Use build_non_dependent_expr.
2062 2018-01-12 Nathan Sidwell <nathan@acm.org>
2064 * cp-tree.h (mark_rvalue_use): Add parm name.
2065 * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
2066 mark_rvalue_use.
2067 * call.c (convert_like_real): Fix formatting.
2069 2018-01-11 Jason Merrill <jason@redhat.com>
2071 PR c++/82728 - wrong -Wunused-but-set-variable
2072 PR c++/82799
2073 PR c++/83690
2074 * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
2075 * decl.c (case_conversion): Likewise.
2076 * semantics.c (finish_static_assert): Call
2077 perform_implicit_conversion_flags.
2079 2018-01-11 Nathan Sidwell <nathan@acm.org>
2081 * method.c (enum mangling_flags): Delete long-dead enum.
2083 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
2085 * parser.c (cp_parser_std_attribute_spec): When
2086 token_pair::require_open / require_close return false simply
2087 return error_mark_node, avoid duplicate cp_parser_error about
2088 expected '(' / ')', respectively.
2090 2018-01-10 David Malcolm <dmalcolm@redhat.com>
2092 PR c++/43486
2093 * call.c (null_ptr_cst_p): Strip location wrappers when
2094 converting from '0' to a pointer type in C++11 onwards.
2095 (conversion_null_warnings): Replace comparison with null_node with
2096 call to null_node_p.
2097 (build_over_call): Likewise.
2098 * cp-gimplify.c (cp_fold): Remove the early bailout when
2099 processing_template_decl.
2100 * cp-lang.c (selftest::run_cp_tests): Call
2101 selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
2102 * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
2103 (selftest::run_cp_tests): Move decl to bottom of file.
2104 (null_node_p): New inline function.
2105 (selftest::cp_pt_c_tests): New decl.
2106 (selftest::cp_tree_c_tests): New decl.
2107 * cvt.c (build_expr_type_conversion): Replace comparison with
2108 null_node with call to null_node_p.
2109 * error.c (args_to_string): Likewise.
2110 * except.c (build_throw): Likewise.
2111 * mangle.c (write_expression): Skip location wrapper nodes.
2112 * parser.c (literal_integer_zerop): New function.
2113 (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
2114 the result for RID_TYPEID. Pass true for new "wrap_locations_p"
2115 param of cp_parser_parenthesized_expression_list. When calling
2116 warn_for_memset, replace integer_zerop calls with
2117 literal_integer_zerop, eliminating the double logical negation
2118 cast to bool. Eliminate the special-casing for CONST_DECL in
2119 favor of the fold_for_warn within warn_for_memset.
2120 (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
2121 param, defaulting to false. Convert "expr" to a cp_expr, and call
2122 maybe_add_location_wrapper on it when wrap_locations_p is true.
2123 (cp_parser_unary_expression): Call maybe_add_location_wrapper on
2124 the result for RID_ALIGNOF and RID_SIZEOF.
2125 (cp_parser_builtin_offsetof): Likewise.
2126 * pt.c: Include "selftest.h".
2127 (tsubst_copy): Handle location wrappers.
2128 (tsubst_copy_and_build): Likewise.
2129 (build_non_dependent_expr): Likewise.
2130 (selftest::test_build_non_dependent_expr): New function.
2131 (selftest::cp_pt_c_tests): New function.
2132 * tree.c: Include "selftest.h".
2133 (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
2134 (selftest::test_lvalue_kind): New function.
2135 (selftest::cp_tree_c_tests): New function.
2136 * typeck.c (string_conv_p): Strip any location wrapper from "exp".
2137 (cp_build_binary_op): Replace comparison with null_node with call
2138 to null_node_p.
2139 (build_address): Use location of operand when building address
2140 expression.
2142 2018-01-10 Marek Polacek <polacek@redhat.com>
2144 PR c++/82541
2145 * call.c (build_conditional_expr_1): Check complain before warning.
2146 * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
2147 -Wduplicated-branches.
2149 2018-01-10 Jakub Jelinek <jakub@redhat.com>
2151 PR c++/81327
2152 * call.c (maybe_warn_class_memaccess): Add forward declaration.
2153 Change last argument from tree * to const vec<tree, va_gc> *, adjust
2154 args uses and check number of operands too. Don't strip away any
2155 nops. Use maybe_constant_value when looking for INTEGER_CST args.
2156 Deal with src argument not having pointer type. Check
2157 tree_fits_uhwi_p before calling tree_to_uhwi. Remove useless
2158 test.
2159 (build_over_call): Call maybe_warn_class_memaccess here on the
2160 original arguments.
2161 (build_cxx_call): Rather than here on converted arguments.
2163 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
2165 PR c++/81055
2166 * init.c (build_vec_init): Avoid building an INIT_EXPR with
2167 error_mark_node as second argument.
2169 2018-01-09 Jakub Jelinek <jakub@redhat.com>
2171 PR c++/83734
2172 * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
2173 in STATEMENT_LIST. Remove unneeded assert.
2175 2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
2176 Alan Hayward <alan.hayward@arm.com>
2177 David Sherwood <david.sherwood@arm.com>
2179 * constexpr.c (cxx_eval_array_reference): Handle polynomial
2180 VECTOR_CST_NELTS.
2181 (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
2182 * call.c (build_conditional_expr_1): Likewise.
2183 * decl.c (cp_finish_decomp): Likewise.
2184 * mangle.c (write_type): Likewise.
2185 * typeck.c (structural_comptypes): Likewise.
2186 (cp_build_binary_op): Likewise.
2187 * typeck2.c (process_init_constructor_array): Likewise.
2189 2018-01-03 Jakub Jelinek <jakub@redhat.com>
2191 PR c++/83555
2192 * typeck.c (build_static_cast_1): For static casts to reference types,
2193 call build_base_path with flag_delete_null_pointer_checks as nonnull
2194 instead of always false. When -fsanitize=null, call
2195 ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
2196 * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
2197 call if the first argument is INTEGER_CST with REFERENCE_TYPE.
2199 2018-01-03 Nathan Sidwell <nathan@acm.org>
2201 PR c++/83667
2202 * method.c (make_alias_for): Copy DECL_CONTEXT.
2204 2018-01-03 Marek Polacek <polacek@redhat.com>
2206 PR c++/83592
2207 * decl.c (grokdeclarator): Don't warn about MVP in typename context.
2209 2018-01-03 Jakub Jelinek <jakub@redhat.com>
2211 PR preprocessor/83602
2212 * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
2213 for builtin macros.
2215 PR c++/83634
2216 * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
2217 error_mark_node, return error_mark_node.
2219 Update copyright years.
2221 2018-01-02 Jakub Jelinek <jakub@redhat.com>
2223 PR c++/83556
2224 * tree.c (replace_placeholders_r): Pass NULL as last argument to
2225 cp_walk_tree instead of d->pset. If non-TREE_CONSTANT and
2226 non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
2227 to false and return.
2228 (replace_placeholders): Pass NULL instead of &pset as last argument
2229 to cp_walk_tree.
2231 2018-01-02 Nathan Sidwell <nathan@acm.org>
2233 * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
2234 lval var.
2235 \f
2236 Copyright (C) 2018 Free Software Foundation, Inc.
2238 Copying and distribution of this file, with or without modification,
2239 are permitted in any medium without royalty provided the copyright
2240 notice and this notice are preserved.