| blob | f6c69087ce28a6e71f2a5573398ab6ee02535dd6 |
1 2018-06-15 Jason Merrill <jason@redhat.com>
3 PR c++/82882 - ICE with lambda in template default argument.
4 * lambda.c (record_null_lambda_scope): New.
5 * pt.c (tsubst_lambda_expr): Use it.
6 * name-lookup.c (do_pushtag): Don't give a lambda DECL_CONTEXT of a
7 function that isn't open.
9 * tree.c (maybe_warn_parm_abi): Inform the location of the class.
11 2018-06-14 Marek Polacek <polacek@redhat.com>
13 PR c++/86063
14 * decl2.c (cp_check_const_attributes): Skip trees that are not
15 TREE_LISTs.
17 2018-06-14 Jakub Jelinek <jakub@redhat.com>
19 P0624R2 - Default constructible and assignable stateless lambdas
20 * method.c (synthesized_method_walk): For C++2a don't mark
21 sfk_constructor or sfk_copy_assignment as deleted if lambda has
22 no lambda-captures.
24 2018-06-14 Paolo Carlini <paolo.carlini@oracle.com>
26 * decl.c (duplicate_decls): Use DECL_SOURCE_LOCATION in
27 OPT_Wshadow warning_at.
28 (grokfndecl): Consistently use the location_t argument in
29 literal operator diagnostic messages.
30 (grokdeclarator): Use declspecs->locations[ds_storage_class]
31 in error_at call.
32 * decl2.c (finish_static_data_member_decl): Use DECL_SOURCE_LOCATION
33 in permerror call.
35 2018-06-13 Jason Merrill <jason@redhat.com>
37 PR c++/86099 - ICE with trivial copy and non-trivial default ctor.
38 * constexpr.c (instantiate_cx_fn_r): Don't synthesize trivial
39 constructors.
41 PR c++/86094 - wrong code with defaulted move ctor.
42 * class.c (classtype_has_non_deleted_move_ctor): New.
43 * tree.c (maybe_warn_parm_abi, type_has_nontrivial_copy_init):
44 Handle v12 breakage.
46 2018-06-12 Jason Merrill <jason@redhat.com>
48 PR c++/86098 - ICE with template placeholder for TTP.
49 * typeck.c (structural_comptypes) [TEMPLATE_TYPE_PARM]: Check
50 CLASS_PLACEHOLDER_TEMPLATE.
52 2018-06-12 Paolo Carlini <paolo.carlini@oracle.com>
54 * decl2.c (coerce_new_type, coerce_delete_type): Add location_t
55 parameter and adjust error_at calls.
56 * decl.c (grok_op_properties): Adjust calls.
57 * cp-tree.h (oerce_new_type, coerce_delete_type): Adjust decls.
59 2018-06-12 Marek Polacek <polacek@redhat.com>
61 Core issue 1331 - const mismatch with defaulted copy constructor
62 * class.c (check_bases_and_members): When checking a defaulted
63 function, mark it as deleted rather than giving an error.
65 2018-06-11 Jason Merrill <jason@redhat.com>
67 PR c++/85792 -Wctor-dtor-privacy and inherited constructor.
68 * class.c (maybe_warn_about_overly_private_class): Handle inherited
69 constructors.
71 PR c++/85963 - -Wunused-but-set with ?: in template.
72 * pt.c (tsubst_copy_and_build) [COND_EXPR]: Call mark_rvalue_use.
74 2018-06-11 Paolo Carlini <paolo.carlini@oracle.com>
76 * decl.c (grok_op_properties): Consistently use the location
77 of the decl; remove special casing of POSTINCREMENT_EXPR and
78 POSTDECREMENT_EXPR wrt default arguments.
80 2018-06-05 Jason Merrill <jason@redhat.com>
82 * constexpr.c (cxx_eval_binary_expression): Special case comparison
83 of pointers to members of the same union.
85 2018-06-11 Jason Merrill <jason@redhat.com>
87 PR c++/86094 - wrong code with defaulted move ctor.
88 * tree.c (type_has_nontrivial_copy_init): Fix move ctor handling.
90 2018-06-10 Paolo Carlini <paolo.carlini@oracle.com>
92 * decl.c (grokfndecl): Use the location_t argument in two more places.
94 2018-06-06 Marek Polacek <polacek@redhat.com>
96 PR c++/85977
97 * pt.c (unify): If ELTTYPE has no deducible template parms, skip
98 deduction from the list elements.
99 (type_unification_real): Check convertibility of list elements.
101 2018-06-06 Jason Merrill <jason@redhat.com>
103 PR c++/86060 - ICE on range for with -std=c++98.
104 * parser.c (cp_parser_init_statement): Don't clobber *decl after
105 pedwarn.
107 PR c++/85710 - ICE with -Wmemset-elt-size.
108 * semantics.c (finish_call_expr): Call warn_for_memset here.
109 * parser.c (cp_parser_postfix_expression): Not here.
110 (literal_integer_zerop): No longer static.
111 * pt.c (build_non_dependent_expr): Don't wrap CONST_DECL.
113 2018-06-05 Marek Polacek <polacek@redhat.com>
115 PR c++/85976
116 * tree.c (cp_tree_equal): Handle USING_DECL.
118 2018-06-05 Jason Merrill <jason@redhat.com>
120 PR c++/85731 - wrong error with qualified-id in template.
121 * semantics.c (finish_qualified_id_expr): build_qualified_name
122 for unbound names in the current class.
124 2018-06-04 Jason Merrill <jason@redhat.com>
126 PR c++/61806 - missed SFINAE with partial specialization.
127 * cp-tree.h (deferring_access_check_sentinel): Add deferring_kind
128 parameter to constructor.
129 * pt.c (instantiate_class_template_1): Enable access checking
130 before call to most_specialized_partial_spec.
132 PR c++/85765 - SFINAE and non-type default template arg.
133 * pt.c (type_unification_real): Do full semantic processing if
134 substituting a partial args list replaces all template parms.
136 2018-06-03 Jason Merrill <jason@redhat.com>
138 PR c++/85739 - ICE with pointer to member template parm.
139 * cvt.c (perform_qualification_conversions): Use cp_fold_convert.
141 2018-06-02 Jason Merrill <jason@redhat.com>
143 PR c++/85761 - ICE with ill-formed use of const outer variable.
144 * expr.c (mark_use): Handle location wrappers.
146 2018-06-01 Jason Merrill <jason@redhat.com>
148 PR c++/85764 - bogus 'this' not captured error.
149 * lambda.c (resolvable_dummy_lambda): Use nonlambda_method_basetype.
150 (nonlambda_method_basetype): Handle NSDMI.
152 CWG 1581: When are constexpr member functions defined?
153 * constexpr.c (instantiate_cx_fn_r, instantiate_constexpr_fns): New.
154 (cxx_eval_outermost_constant_expr): Call instantiate_constexpr_fns.
156 PR c++/58281 - explicit instantiation of constexpr
157 * pt.c (mark_decl_instantiated): Clear DECL_EXTERNAL.
159 * pt.c (instantiate_decl): Any defaulted function is defined.
161 2018-05-30 Jonathan Wakely <jwakely@redhat.com>
163 PR c++/77777
164 * call.c (resolve_args): Use location of expression, not current input
165 location.
167 2018-05-30 Ville Voutilainen <ville.voutilainen@gmail.com>
169 Do not warn about zero-as-null when NULL is used.
170 * call.c (conversion_null_warnings): Check for pointer
171 types converted from zero constants.
172 (convert_like_real): Add a warning sentinel at the end.
173 * tree.c (maybe_warn_zero_as_null_pointer_constant): Also
174 check null_node_p.
176 2018-05-30 Jason Merrill <jason@redhat.com>
178 PR c++/85807 - ICE with call in template NSDMI.
179 * init.c (get_nsdmi): Use push_to/pop_from_top_level.
180 * tree.c (bot_manip): Don't set_flags_from_callee in a template.
182 PR c++/85873 - constant initializer_list array not in .rodata.
183 * tree.c (build_target_expr): Set TREE_READONLY.
184 * call.c (set_up_extended_ref_temp): Set TREE_READONLY.
186 * parser.c (cp_parser_check_condition_declarator): Handle
187 cp_error_declarator.
189 2018-05-30 Jonathan Wakely <jwakely@redhat.com>
191 * typeck.c (cxx_sizeof_or_alignof_type): Return size_one_node instead
192 of using it in dead store.
194 2018-05-29 Jason Merrill <jason@redhat.com>
196 PR c++/67445 - returning temporary initializer_list.
197 PR c++/67711 - assigning from temporary initializer_list.
198 PR c++/48562 - new initializer_list.
199 * typeck.c (maybe_warn_about_returning_address_of_local): Also warn
200 about returning local initializer_list.
201 * cp-tree.h (AUTO_TEMP_NAME, TEMP_NAME_P): Remove.
202 * call.c (build_over_call): Warn about assignment from temporary
203 init_list.
204 * init.c (build_new_1): Warn about 'new std::initializer_list'.
205 (find_list_begin, maybe_warn_list_ctor): New.
206 (perform_member_init): Use maybe_warn_list_ctor.
208 2018-05-29 Marek Polacek <polacek@redhat.com>
210 PR c++/85883
211 * init.c (build_new): Handle deducing a class with new
212 with more than one argument.
214 2018-05-29 Jakub Jelinek <jakub@redhat.com>
216 PR c++/85952
217 * init.c (build_aggr_init): For structured binding initialized from
218 array call mark_rvalue_use on the initializer.
220 2018-05-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
222 * decl2.c (start_static_storage_duration_function): Use
223 splay_tree_delete_pointers.
225 2018-05-25 Jason Merrill <jason@redhat.com>
227 PR c++/85815 - reference to member of enclosing template.
228 * search.c (lookup_base): Use currently_open_class.
229 (lookup_member): Use it regardless of -fconcepts.
230 * parser.c (cp_parser_postfix_dot_deref_expression): Check it.
232 CWG 616, 1213 - value category of subobject references.
233 * tree.c (lvalue_kind): Fix handling of ARRAY_REF of pointer.
235 2018-05-24 Jason Merrill <jason@redhat.com>
237 PR c++/85842 - -Wreturn-type, constexpr if and generic lambda.
238 * pt.c (tsubst_lambda_expr): Copy current_function_returns_* to
239 generic lambda.
241 2018-05-24 Ville Voutilainen <ville.voutilainen@gmail.com>
243 Pedwarn on a non-standard position of a C++ attribute.
244 * parser.c (cp_parser_namespace_definition): Pedwarn about attributes
245 after the namespace name.
247 2018-05-24 Paolo Carlini <paolo.carlini@oracle.com>
249 * cp-tree.h (INDIRECT_TYPE_P): New.
250 * call.c (build_trivial_dtor_call, maybe_warn_class_memaccess,
251 joust): Use it instead of POINTER_TYPE_P.
252 * class.c (update_vtable_entry_for_fn, find_flexarrays,
253 * fixed_type_or_null, resolves_to_fixed_type_p): Likewise.
254 * constexpr.c (cxx_eval_binary_expression, cxx_fold_indirect_ref,
255 * cxx_eval_increment_expression, potential_constant_expression_1):
256 Likewise.
257 * cp-gimplify.c (cp_gimplify_expr, cp_genericize_r): Likewise.
258 * cp-objcp-common.c (cxx_get_alias_set): Likewise.
259 * cp-ubsan.c (cp_ubsan_maybe_instrument_member_call,
260 cp_ubsan_maybe_instrument_downcast): Likewise.
261 * cvt.c (cp_convert_to_pointer, ocp_convert,
262 cp_get_fndecl_from_callee, maybe_warn_nodiscard, convert): Likewise.
263 * cxx-pretty-print.c (cxx_pretty_printer::abstract_declarator,
264 pp_cxx_offsetof_expression_1): Likewise.
265 * decl.c (grokparms, static_fn_type): Likewise.
266 * decl2.c (grokbitfield): Likewise.
267 * error.c (dump_expr): Likewise.
268 * except.c (initialize_handler_parm, check_noexcept_r): Likewise.
269 * init.c (warn_placement_new_too_small): Likewise.
270 * lambda.c (build_capture_proxy, add_capture): Likewise.
271 * parser.c (cp_parser_omp_for_loop): Likewise.
272 * pt.c (convert_nontype_argument, fn_type_unification,
273 uses_deducible_template_parms, check_cv_quals_for_unify,
274 dependent_type_p_r): Likewise.
275 * search.c (check_final_overrider): Likewise.
276 * semantics.c (handle_omp_array_sections, finish_omp_clauses,
277 finish_omp_for): Likewise.
278 * tree.c (cp_build_qualified_type_real): Likewise.
279 * typeck.c (build_class_member_access_expr,
280 finish_class_member_access_expr, build_x_indirect_ref,
281 cp_build_indirect_ref_1, cp_build_binary_op, build_const_cast_1):
282 Likewise.
284 2018-05-24 Jason Merrill <jason@redhat.com>
286 PR c++/85864 - literal template and default template arg.
287 * pt.c (instantiation_dependent_r): Handle NONTYPE_ARGUMENT_PACK.
289 2018-05-24 Marek Polacek <polacek@redhat.com>
291 PR c++/85847
292 * init.c (build_new_1): Use fold_non_dependent_expr. Use a dedicated
293 variable for its result. Fix a condition.
294 (build_new): Use fold_non_dependent_expr. Tweak a condition.
296 2018-05-23 Jason Merrill <jason@redhat.com>
298 Fix cast to rvalue reference from prvalue.
299 * cvt.c (diagnose_ref_binding): Handle rvalue reference.
300 * rtti.c (build_dynamic_cast_1): Don't try to build a reference to
301 non-class type. Handle xvalue argument.
302 * typeck.c (build_reinterpret_cast_1): Allow cast from prvalue to
303 rvalue reference.
304 * semantics.c (finish_compound_literal): Do direct-initialization,
305 not cast, to initialize a reference.
307 CWG 616, 1213 - value category of subobject references.
308 * tree.c (lvalue_kind): A reference to a subobject of a prvalue is
309 an xvalue.
310 * typeck2.c (build_m_component_ref): Likewise.
311 * typeck.c (cp_build_addr_expr_1, lvalue_or_else): Remove diagnostic
312 distinction between temporary and xvalue.
314 2018-05-23 Marek Polacek <polacek@redhat.com>
316 Implement P0614R1, Range-based for statements with initializer.
317 * parser.c (cp_parser_range_based_for_with_init_p): New.
318 (cp_parser_init_statement): Use it. Parse the optional init-statement
319 for a range-based for loop.
320 (cp_parser_skip_to_closing_parenthesis_1): Handle balancing ?:.
322 2018-05-22 Jason Merrill <jason@redhat.com>
324 PR c++/81420 - not extending temporary lifetime.
325 * call.c (extend_ref_init_temps_1): Handle ARRAY_REF.
326 * class.c (build_base_path): Avoid redundant move of an rvalue.
328 PR c++/85866 - error with .* in default template arg.
329 * pt.c (tsubst_copy_and_build): Handle partial instantiation.
331 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
333 * parser.c (cp_parser_parameter_declaration_list): Remove
334 bool* parameter.
335 (cp_parser_parameter_declaration_clause): Adjust.
336 (cp_parser_cache_defarg): Likewise.
338 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
340 PR c++/84588
341 * parser.c (cp_parser_maybe_commit_to_declaration,
342 cp_parser_check_condition_declarator): New.
343 (cp_parser_simple_declaration): Use the first above.
344 (cp_parser_condition): Use both the above; enforce
345 [stmt.stmt]/2 about the declarator not specifying
346 a function or an array; improve error-recovery.
348 2018-05-20 Jason Merrill <jason@redhat.com>
350 PR libstdc++/85843 - warning in logic_error copy constructor.
351 * class.c (type_has_user_nondefault_constructor): Check for a
352 user-provided ctor, not user-declared.
354 2018-05-19 Jason Merrill <jason@redhat.com>
356 * pt.c (tsubst_pack_expansion): Sorry rather than abort
357 on __integer_pack as subexpression of pattern.
359 2018-05-18 Jason Merrill <jason@redhat.com>
361 PR c++/58407 - deprecated implicit copy ops.
362 * call.c (build_over_call): Warn about deprecated trivial fns.
363 * class.c (classtype_has_user_copy_or_dtor): New.
364 (type_build_ctor_call): Check TREE_DEPRECATED.
365 (type_build_dtor_call): Likewise.
366 * decl2.c (cp_warn_deprecated_use): Move from tree.c.
367 Add checks. Return bool. Handle -Wdeprecated-copy.
368 (mark_used): Use it.
369 * decl.c (grokdeclarator): Remove redundant checks.
370 * typeck2.c (build_functional_cast): Likewise.
371 * method.c (lazily_declare_fn): Mark deprecated copy ops.
372 * init.c (build_aggr_init): Only set TREE_USED if there are
373 side-effects.
375 2018-05-18 Cesar Philippidis <cesar@codesourcery.com>
377 PR c++/85782
378 * cp-gimplify.c (cp_genericize_r): Call genericize_omp_for_stmt for
379 OACC_LOOPs.
381 2018-05-18 Richard Sandiford <richard.sandiford@linaro.org>
383 * constexpr.c (cxx_eval_constant_expression): Remove FMA_EXPR handling.
384 (potential_constant_expression_1): Likewise.
386 2018-05-16 Marek Polacek <polacek@redhat.com>
388 PR c++/85363
389 * call.c (set_flags_from_callee): Handle AGGR_INIT_EXPRs too.
390 * tree.c (bot_manip): Call set_flags_from_callee for
391 AGGR_INIT_EXPRs too.
393 2018-05-15 Jason Merrill <jason@redhat.com>
395 * cp-tree.h (cp_expr): Remove copy constructor.
396 * mangle.c (struct releasing_vec): Declare copy constructor.
398 * constexpr.c (cxx_eval_vec_init_1): Pass tf_none if ctx->quiet.
400 PR c++/64372 - CWG 1560, gratuitous lvalue-rvalue conversion in ?:
401 * call.c (build_conditional_expr_1): Don't force_rvalue when one arm
402 is a throw-expression.
404 2018-05-15 Paolo Carlini <paolo.carlini@oracle.com>
406 * cp-tree.h (DECL_MAYBE_IN_CHARGE_CDTOR_P): New.
407 (FOR_EACH_CLONE): Update.
408 * decl.c (grokdeclarator): Use it.
409 * decl2.c (vague_linkage_p): Likewise.
410 * mangle.c (mangle_decl): Likewise.
411 * method.c (lazily_declare_fn): Likewise.
412 * optimize.c (can_alias_cdtor, maybe_clone_body): Likewise.
413 * repo.c (repo_emit_p): Likewise.
414 * tree.c (decl_linkage): Likewise.
416 2018-05-14 Jason Merrill <jason@redhat.com>
418 Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
419 * tree.c (build_cp_fntype_variant): New.
420 (build_ref_qualified_type, build_exception_variant)
421 (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
422 (cxx_type_hash_eq, cp_check_qualified_type): Check
423 TYPE_HAS_LATE_RETURN_TYPE.
424 (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
425 (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
426 * class.c (build_clone): Use cxx_copy_lang_qualifiers.
427 (adjust_clone_args): Likewise.
428 * decl.c (grokfndecl): Add late_return_type_p parameter. Use
429 build_cp_fntype_variant.
430 (grokdeclarator): Pass late_return_type_p to grokfndecl.
431 (check_function_type): Use cxx_copy_lang_qualifiers.
432 (static_fn_type): Use cxx_copy_lang_qualifiers.
433 * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
434 (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
435 (change_return_type): Use cxx_copy_lang_qualifiers.
436 * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
437 * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
438 return type on the declarator like a normal trailing return type.
439 * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
440 (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
441 * typeck.c (merge_types): Use build_cp_fntype_variant.
443 2018-05-14 Paolo Carlini <paolo.carlini@oracle.com>
445 * cp-tree.h (TYPE_REF_P): New.
446 (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
447 * call.c (build_list_conv, build_aggr_conv, standard_conversion,
448 direct_reference_binding, reference_binding, implicit_conversion,
449 add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
450 build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
451 build_over_call, perform_implicit_conversion_flags,
452 extend_ref_init_temps, type_has_extended_temps): Use it.
453 * class.c (one_inheriting_sig, check_field_decls,
454 check_bases_and_members, find_flexarrays, finish_struct,
455 fixed_type_or_null): Likewise.
456 * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
457 non_const_var_error, cxx_eval_constant_expression,
458 potential_constant_expression_1): Likewise.
459 * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
460 cp_genericize_r, cxx_omp_privatize_by_reference,
461 cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
462 cp_fold_maybe_rvalue): Likewise.
463 * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
464 * cvt.c (build_up_reference, convert_to_reference,
465 convert_from_reference, convert_to_void, noexcept_conv_p,
466 fnptr_conv_p): Likewise.
467 * decl.c (poplevel, check_for_uninitialized_const_var,
468 check_initializer, initialize_local_var, cp_finish_decl,
469 get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
470 move_signature_fn_p, grok_op_properties, finish_function): Likewise.
471 * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
472 decl_maybe_constant_var_p): Likewise.
473 * error.c (dump_type_prefix, dump_expr): Likewise.
474 * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
475 is_admissible_throw_operand_or_catch_parameter): Likewise.
476 * expr.c (mark_use): Likewise.
477 * init.c (build_zero_init_1, build_value_init_noctor,
478 perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
479 build_new, build_delete): Likewise.
480 * lambda.c (build_lambda_object): Likewise.
481 * mangle.c (write_expression, write_template_arg): Likewise.
482 * method.c (forward_parm, do_build_copy_constructor,
483 do_build_copy_assign, build_stub_object, constructible_expr,
484 walk_field_subobs): Likewise.
485 * parser.c (cp_parser_omp_for_loop_init,
486 cp_parser_omp_declare_reduction_exprs,
487 cp_parser_omp_declare_reduction): Likewise.
488 * pt.c (convert_nontype_argument_function, convert_nontype_argument,
489 convert_template_argument, tsubst_pack_expansion,
490 tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
491 maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
492 more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
493 value_dependent_expression_p, build_deduction_guide): Likewise.
494 * semantics.c (finish_handler_parms, finish_non_static_data_member,
495 finish_compound_literal, omp_privatize_field,
496 handle_omp_array_sections_1, handle_omp_array_sections,
497 cp_check_omp_declare_reduction, finish_omp_reduction_clause,
498 finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
499 finish_omp_clauses, finish_decltype_type, capture_decltype,
500 finish_builtin_launder): Likewise.
501 * tree.c (lvalue_kind, cp_build_reference_type, move,
502 cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
503 * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
504 cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
505 cp_build_addr_expr_1, maybe_warn_about_useless_cast,
506 build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
507 build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
508 convert_for_initialization,
509 maybe_warn_about_returning_address_of_local, check_return_expr,
510 cp_type_quals, casts_away_constness, non_reference): Likewise.
511 * typeck2.c (cxx_readonly_error, store_init_value,
512 process_init_constructor_record, build_x_arrow, build_functional_cast,
513 add_exception_specifier): Likewise.
515 2018-05-14 Jason Merrill <jason@redhat.com>
517 * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
518 (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
520 2018-05-11 Jakub Jelinek <jakub@redhat.com>
522 PR c/85696
523 * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
524 * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
525 cxx_omp_predetermined_sharing_1. Rename old function to ...
526 (cxx_omp_predetermined_sharing_1): ... this.
527 * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
528 instead of cxx_omp_predetermined_sharing.
530 2018-05-10 Jason Merrill <jason@redhat.com>
532 * decl.c (cp_finish_decl): Don't instantiate auto variable.
533 (check_static_variable_definition): Allow auto.
534 * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
536 * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
537 (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
539 Core issue 2310 - conversion to base of incomplete type.
540 * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
542 CWG 2267 - list-initialization of reference temporary
543 * call.c (reference_binding): List-initializing a reference
544 temporary is copy-list-initialization.
546 * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
548 * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
549 instantiation in template context.
551 * class.c (vbase_has_user_provided_move_assign): Use
552 user_provided_p.
554 * lambda.c (lambda_expr_this_capture): Improve logic.
556 * decl.c (make_typename_type): s/parameters/arguments/.
557 * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
558 * pt.c (make_pack_expansion): Correct error message.
560 2018-05-10 Jakub Jelinek <jakub@redhat.com>
562 PR c++/85662
563 * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
564 fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
565 fold_convert.
567 2018-05-10 Eric Botcazou <ebotcazou@adacore.com>
569 PR c++/85400
570 * decl2.c (adjust_var_decl_tls_model): New static function.
571 (comdat_linkage): Call it on a variable.
572 (maybe_make_one_only): Likewise.
574 2018-05-09 Paolo Carlini <paolo.carlini@oracle.com>
576 PR c++/85713
577 Revert:
578 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
580 PR c++/84588
581 * parser.c (cp_parser_parameter_declaration_list): When the
582 entire parameter-declaration-list is erroneous maybe call
583 abort_fully_implicit_template.
585 2018-05-08 Jason Merrill <jason@redhat.com>
587 PR c++/85706 - class deduction under decltype
588 * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE. Clear
589 *walk_subtrees whether or not we walked into the operand.
590 (type_uses_auto): Only look at deduced contexts.
592 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
594 PR c++/84588
595 * parser.c (cp_parser_parameter_declaration_list): When the
596 entire parameter-declaration-list is erroneous maybe call
597 abort_fully_implicit_template.
599 2018-05-08 Marek Polacek <polacek@redhat.com>
601 PR c++/85695
602 * semantics.c (finish_if_stmt_cond): See through typedefs.
604 2018-05-07 Jason Merrill <jason@redhat.com>
606 PR c++/85646 - lambda visibility.
607 * decl2.c (determine_visibility): Don't mess with template arguments
608 from the containing scope.
609 (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
610 thunk.
612 2018-05-07 Nathan Sidwell <nathan@acm.org>
614 Remove fno-for-scope
615 * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
616 (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
617 (SET_DECL_SHADOWED_FOR_VAR): Delete.
618 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
619 (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
620 Don't declare.
621 * name-lookup.h (struct cp_binding_level): Remove
622 dead_vars_from_for field.
623 * cp-lang.c (cp_init_ts): Delete.
624 (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
625 * cp-objcp-common.c (shadowed_var_for_decl): Delete.
626 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
627 (init_shadowed_var_for_decl): Delete.
628 * decl.c (poplevel): Remove shadowed for var handling.
629 (cxx_init_decl_processing): Remove -ffor-scope deprecation.
630 * name-lookup.c (find_local_binding): Remove shadowed for var
631 handling.
632 (check_local_shadow): Likewise.
633 (check_for_out_of_scope_variable): Delete.
634 * parser.c (cp_parser_primary_expression): Remove shadowed for var
635 handling.
636 * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
637 * semantics.c (begin_for_scope): Always have a scope.
638 (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
639 (begin_range_for_stmt, finish_id_expression): Likewise.
641 2018-05-07 Jason Merrill <jason@redhat.com>
643 PR c++/85618 - ICE with initialized VLA.
644 * tree.c (vla_type_p): New.
645 * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
646 rather than array_of_runtime_bound_p.
648 2018-05-05 Paolo Carlini <paolo.carlini@oracle.com>
650 * cvt.c (ocp_convert): Early handle the special case of a
651 null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
653 2018-05-03 Jason Merrill <jason@redhat.com>
655 PR c++/85600 - virtual delete failure.
656 * init.c (build_delete): Always save_expr when deleting.
658 2018-05-03 Nathan Sidwell <nathan@acm.org>
660 * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
661 * name-lookup.c (do_pushdecl): Likewise.
663 2018-05-02 Paolo Carlini <paolo.carlini@oracle.com>
664 Jason Merrill <jason@redhat.com>
666 PR c++/68374
667 * name-lookup.c (check_local_shadow): Don't handle static old
668 declarations in the block handling locals shadowing locals.
670 2018-05-01 Jason Merrill <jason@redhat.com>
672 PR c++/85587 - error with scoped enum in template.
673 * semantics.c (finish_qualified_id_expr): Don't return an
674 unqualified IDENTIFIER_NODE.
676 2018-04-30 Jason Merrill <jason@redhat.com>
678 PR c++/85580 - extern "C" and local variables
679 * name-lookup.c (check_extern_c_conflict): Ignore local decls.
681 PR c++/84701 - unsigned typeof.
682 * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
683 of long/short/signed/unsigned.
685 PR c++/85305 - pack in lambda init-capture.
686 * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
687 check_for_bare_parameter_packs in a subexpression.
688 (cp_parser_lambda_introducer): Use it.
690 PR c++/61982 - dead stores to destroyed objects.
691 * call.c (build_trivial_dtor_call): New, assigns a clobber.
692 (build_over_call, build_special_member_call): Use it.
693 * cp-tree.h: Declare it.
694 * init.c (build_delete): Remove trivial path.
696 * init.c (build_dtor_call): Use build_special_member_call.
697 (build_delete): Remove redundant uses of save_addr.
699 * decl.c (build_clobber_this): Use build_clobber.
701 2018-04-27 Jakub Jelinek <jakub@redhat.com>
703 PR c++/85553
704 * init.c (build_zero_init_1): For zero initialization of
705 NULLPTR_TYPE_P type use build_int_cst directly.
707 2018-04-27 David Malcolm <dmalcolm@redhat.com>
709 PR c++/85515
710 * name-lookup.c (consider_binding_level): Skip compiler-generated
711 variables.
712 * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
713 nested if statements into a series of rejection tests. Reject
714 lambda-ignored entities as suggestions.
716 2018-04-27 Jason Merrill <jason@redhat.com>
718 * cvt.c (cp_fold_convert): Use convert_ptrmem.
719 * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
721 2018-04-27 Paolo Carlini <paolo.carlini@oracle.com>
723 PR c++/84691
724 * decl.c (grokdeclarator): Clear friendp upon definition in local
725 class definition error.
727 2018-04-27 Jason Merrill <jason@redhat.com>
729 PR c++/85545 - ICE with noexcept PMF conversion.
730 * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
731 build_ptrmemfunc.
732 * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
733 adjustment.
734 (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
736 2018-04-27 Nathan Sidwell <nathan@acm.org>
738 * typeck.c (convert_ptrmem): Move local var decls to initialization.
740 * cp-tree.h (TEMPLATE_INFO): Fix comments.
741 (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
742 (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
743 (dump, print_other_binding_stacks): Remove declarations.
744 * name-lookup.c (print_other_binding_stack): Make static.
745 * pt.c (build_template_decl): Make static.
747 2018-04-26 Jason Merrill <jason@redhat.com>
749 PR c++/85545 - ICE with noexcept PMF conversion.
750 * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
752 2018-04-25 Nathan Sidwell <nathan@acm.org>
754 PR c++/85437
755 PR c++/49171
756 * cp-tree.h (REINTERPRET_CAST_P): New.
757 * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
758 Reject REINTERPET_CAST_P conversions. Use cplus_expand_constant
759 for non-trivial PTRMEM_CST cases.
760 * typeck.c (build_nop_reinterpret): New.
761 (build_reinterpret_cast_1): Use it. Set REINTERPRET_CAST_P on
762 NOP_EXPRs returned by cp_convert.
764 2018-04-23 Jason Merrill <jason@redhat.com>
766 PR c++/69560 - wrong alignof(double) on x86.
767 CWG 1879 - Inadequate definition of alignment requirement.
768 * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
769 * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
770 (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
771 (cxx_alignof_expr): Pass it.
772 * parser.c (cp_parser_unary_expression): Pass it.
773 * pt.c (tsubst_copy): Copy it.
774 (tsubst_copy_and_build): Pass it.
775 * decl.c (fold_sizeof_expr): Pass it.
777 2018-04-23 Jakub Jelinek <jakub@redhat.com>
778 Jason Merrill <jason@redhat.com>
780 PR c++/85470 - wrong error with static data member.
781 * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
782 * typeck2.c (store_init_value): Likewise.
784 2018-04-20 Jakub Jelinek <jakub@redhat.com>
786 PR c++/85462
787 * cp-tree.h (tinst_level): Remove in_system_header_p member,
788 change refcount member from unsigned char to unsigned short,
789 add refcount_infinity static data member, adjust comments.
790 * pt.c (tinst_level::refcount_infinity): Define.
791 (inc_refcount_use): Remove assert, don't increment if refcount
792 is already refcount_infinity, adjust comment.
793 (dec_refcount_use): Remove assert, don't decrement if refcount
794 is refcount_infinity, adjust comment.
795 (push_tinst_level_loc): Formatting fix.
797 2018-04-19 Paolo Carlini <paolo.carlini@oracle.com>
799 PR c++/84611
800 * pt.c (lookup_template_class_1): Check pushtag return value for
801 error_mark_node.
803 2018-04-19 Alexandre Oliva <aoliva@redhat.com>
805 PR c++/80290
806 * cp-tree.h (tinst_level::free): Fix whitespace.
808 2018-04-18 Paolo Carlini <paolo.carlini@oracle.com>
810 PR c++/84630
811 * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
812 for error_mark_node.
814 2018-04-18 Jakub Jelinek <jakub@redhat.com>
816 PR c++/84463
817 * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
818 tricks from here to ...
819 * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here. Only use it
820 if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
822 2018-04-18 Alexandre Oliva <aoliva@redhat.com>
824 PR c++/80290
825 * cp-tree.h (struct tinst_level): Split decl into tldcl and
826 targs. Add private split_list_p, tree_list_p, and not_list_p
827 inline const predicates; to_list private member function
828 declaration; free public member function declaration; list_p,
829 get_node and maybe_get_node accessors, and refcount data
830 member. Narrow errors to unsigned short.
831 * error.c (print_instantiation_full_context): Use new
832 accessors.
833 (print_instantiation_partial_context_line): Likewise. Drop
834 const from tinst_level-typed parameter.
835 * mangle.c (mangle_decl_string): Likewise.
836 * pt.c (freelist): New template class.
837 (tree_list_freelist_head): New var.
838 (tree_list_freelist): New fn, along with specializations.
839 (tinst_level_freelist_head): New var.
840 (pending_template_freelist_head): Likewise.
841 (tinst_level_freelist, pending_template_freelist): New fns.
842 (tinst_level::to_list, tinst_level::free): Define.
843 (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
844 (set_refcount_ptr): New template fn.
845 (add_pending_template): Adjust for refcounting, freelists and
846 new accessors.
847 (neglectable_inst_p): Take a NULL d as a non-DECL.
848 (limit_bad_template_recursion): Use new accessors.
849 (push_tinst_level): New overload to create the list.
850 (push_tinst_level_loc): Make it static, split decl into two
851 args, adjust tests and initialization to cope with split
852 lists, use freelist, adjust for refcounting.
853 (push_tinst_level_loc): New wrapper with the old interface.
854 (pop_tinst_level): Adjust for refcounting.
855 (record_last_problematic_instantiation): Likewise.
856 (reopen_tinst_level): Likewise. Use new accessors.
857 (instantiate_alias_template): Adjust for split list.
858 (fn_type_unification): Likewise.
859 (get_partial_spec_bindings): Likewise.
860 (instantiate_pending_templates): Use new accessors. Adjust
861 for refcount. Release pending_template to freelist.
862 (instantiating_current_function_p): Use new accessors.
864 2018-04-16 Alexandre Oliva <aoliva@redhat.com>
866 PR c++/85039
867 * parser.c (cp_parser_builtin_offset): Reject type definitions.
868 * mangle.c (nested_anon_class_index): Avoid crash returning -1
869 if we've seen errors.
871 2018-04-12 David Malcolm <dmalcolm@redhat.com>
873 PR c++/85385
874 * name-lookup.c (macro_use_before_def::maybe_make): New function,
875 checking that the use is indeed before the definition.
876 (macro_use_before_def::macro_use_before_def): Make private.
877 (macro_use_before_def::~macro_use_before_def): Make private. Move
878 check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
879 (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
880 than using new directly.
882 2018-04-12 Jason Merrill <jason@redhat.com>
884 PR c++/85356 - ICE with pointer to member function.
885 * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
886 flag_noexcept_type. Build the new spec within the function context.
887 * except.c (build_noexcept_spec): Do get constant value in templates
888 if flag_noexcept_type.
889 * decl.c (check_redeclaration_exception_specification): Don't
890 instantiate noexcept on a dependent declaration.
892 2018-04-12 Marek Polacek <polacek@redhat.com>
894 PR c++/85258
895 * constexpr.c (reduced_constant_expression_p): Return false for null
896 trees.
898 2018-04-11 Marek Polacek <polacek@redhat.com>
900 PR c++/85032
901 * constexpr.c (potential_constant_expression_1): Consider conversions
902 from classes to literal types potentially constant.
904 2018-04-10 Paolo Carlini <paolo.carlini@oracle.com>
906 PR c++/70808
907 * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
908 the type like TYPE_PTR_OR_PTRMEM_P.
910 2018-04-10 Jason Merrill <jason@redhat.com>
912 PR debug/65821 - wrong location for main().
913 * call.c (clear_location_r, convert_default_arg): Revert.
914 * tree.c (break_out_target_exprs): Add clear_location parm.
915 (struct bot_data): New.
916 (bot_manip): Clear location if requested.
917 * init.c (get_nsdmi): Pass clear_location.
919 2018-04-10 David Malcolm <dmalcolm@redhat.com>
921 PR c++/85110
922 * call.c (get_fndecl_argument_location): Make non-static.
923 * cp-tree.h (get_fndecl_argument_location): New decl.
924 * typeck.c (convert_for_assignment): When complaining due to
925 conversions for an argument, show the location of the parameter
926 within the decl.
928 2018-04-10 Jakub Jelinek <jakub@redhat.com>
930 PR c++/85312 - P0962 cleanup
931 * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
932 diagnostics.
934 2018-04-10 Jason Merrill <jason@redhat.com>
936 PR debug/65821 - wrong location for main().
937 * call.c (clear_location_r): New.
938 (convert_default_arg): Use it.
939 * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
941 PR c++/85285 - ICE with flexible array after substitution.
942 * pt.c (instantiate_class_template_1): Check for flexible array in
943 union.
945 2018-04-09 Paolo Carlini <paolo.carlini@oracle.com>
947 PR c++/85227
948 * decl.c (cp_finish_decomp): In a template, if the type is incomplete
949 issue a pedwarn and defer trying to do bindings.
951 2018-04-09 Jason Merrill <jason@redhat.com>
953 PR c++/85279 - dump_expr doesn't understand decltype.
954 * error.c (dump_expr): Handle DECLTYPE_TYPE.
956 PR c++/85262 - ICE with redundant qualification on constructor.
957 * call.c (build_new_method_call_1): Move make_args_non_dependent
958 after A::A() handling.
960 PR c++/85277 - ICE with invalid offsetof.
961 * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
962 Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
964 PR c++/85264 - ICE with excess template-parameter-list.
965 * parser.c (cp_parser_check_template_parameters): Add template_id_p
966 parameter. Don't allow an extra template header if true.
967 (cp_parser_class_head): Pass template_id_p.
968 (cp_parser_elaborated_type_specifier): Likewise.
969 (cp_parser_alias_declaration): Likewise.
970 (cp_parser_check_declarator_template_parameters): Likewise.
972 2018-04-09 Jakub Jelinek <jakub@redhat.com>
974 PR c++/85194
975 * parser.c (cp_parser_simple_declaration): For structured bindings,
976 if *maybe_range_for_decl is NULL after parsing it, set it to
977 error_mark_node.
979 2018-04-09 Jason Merrill <jason@redhat.com>
981 PR c++/85256 - ICE capturing pointer to VLA.
982 * lambda.c (add_capture): Distinguish between variable-size and
983 variably-modified types.
985 2018-04-06 Jason Merrill <jason@redhat.com>
987 PR c++/85214 - ICE with alias, generic lambda, constexpr if.
988 * pt.c (extract_locals_r): Remember local typedefs.
990 2018-04-06 David Malcolm <dmalcolm@redhat.com>
992 PR c++/84269
993 * name-lookup.c (struct std_name_hint): Move out of
994 get_std_name_hint; add field "min_dialect".
995 (get_std_name_hint): Add min_dialect values to all initializers.
996 Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
997 <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
998 <shared_mutex>, <string_view>, <thread>, and <variant>.
999 Add fstream, ifstream, and ofstream to <fstream>.
1000 Add istringstream, ostringstream, and stringstream to <sstream>.
1001 Add basic_string to <string>.
1002 Add tuple_element and tuple_size to <tuple>.
1003 Add declval to <utility>.
1004 Fix ordering of <queue> and <tuple>.
1005 Return a std_name_hint, rather than a const char *.
1006 (get_cxx_dialect_name): New function.
1007 (maybe_suggest_missing_std_header): Detect names that aren't yet
1008 available in the current dialect, and instead of suggesting a
1009 missing #include, warn about the dialect.
1011 2018-04-06 Jakub Jelinek <jakub@redhat.com>
1013 PR c++/85210
1014 * pt.c (tsubst_decomp_names): Return error_mark_node and assert
1015 errorcount is set if tsubst doesn't return a VAR_DECL.
1017 2018-04-06 David Malcolm <dmalcolm@redhat.com>
1019 PR c++/85021
1020 * name-lookup.c (using_directives_contain_std_p): New function.
1021 (has_using_namespace_std_directive_p): New function.
1022 (suggest_alternatives_for): Simplify if/else logic using early
1023 returns. If no candidates were found, and there's a
1024 "using namespace std;" directive, call
1025 maybe_suggest_missing_std_header.
1026 (maybe_suggest_missing_header): Split later part of the function
1027 into..
1028 (maybe_suggest_missing_std_header): New.
1030 2018-04-06 Jason Merrill <jason@redhat.com>
1032 PR c++/85242 - ICE with class definition in template parm.
1033 * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
1034 processing_template_parmlist.
1036 PR c++/85240 - LTO ICE with using of undeduced auto fn.
1037 * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
1039 2018-04-05 Jakub Jelinek <jakub@redhat.com>
1041 PR c++/85209
1042 * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
1043 is not prev, if prev == decl.
1045 PR c++/85208
1046 * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
1047 maybe_apply_pragma_weak here...
1048 (cp_maybe_mangle_decomp): ... but call it here instead.
1050 2018-04-05 Jason Merrill <jason@redhat.com>
1052 PR c++/85136 - ICE with designated init in template.
1053 * decl.c (maybe_deduce_size_from_array_init): Handle dependent
1054 designated initializer.
1055 (check_array_designated_initializer): Update ce->index with the
1056 constant value.
1058 PR c++/83808 - ICE with VLA initialization.
1059 * typeck2.c (process_init_constructor_array): Don't require a VLA
1060 initializer to have VLA type.
1062 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
1064 PR c++/80956
1065 * call.c (convert_like_real): Fail gracefully for a broken
1066 std::initializer_list, missing a definition.
1068 * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
1070 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
1072 PR c++/84792
1073 * decl.c (grokdeclarator): Fix diagnostic about typedef name used
1074 as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
1076 2018-04-05 Jason Merrill <jason@redhat.com>
1078 PR c++/82152 - ICE with class deduction and inherited ctor.
1079 * pt.c (do_class_deduction): Ignore inherited ctors.
1081 PR c++/84665 - ICE with array of empty class.
1082 * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
1084 PR c++/85228 - ICE with lambda in enumerator in template.
1085 * pt.c (bt_instantiate_type_proc): Don't assume
1086 CLASSTYPE_TEMPLATE_INFO is non-null.
1088 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
1090 Implement P0969
1091 * decl.c (find_decomp_class_base): Check accessibility instead
1092 of declared access, adjust diagnostic.
1094 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
1096 Implement P0961
1097 * decl.c (get_tuple_decomp_init): Check the templatedness
1098 of a member get.
1100 2018-04-05 Jason Merrill <jason@redhat.com>
1102 PR c++/85200 - ICE with constexpr if in generic lambda.
1103 * pt.c (extract_locals_r): Don't record the local specs of variables
1104 declared within the pattern.
1106 2018-04-05 Alexandre Oliva <aoliva@redhat.com>
1108 PR c++/84979
1109 * pt.c (check_auto_in_tmpl_args): New.
1110 (tsubst_qualified_id): Use it to reject template args
1111 referencing auto for non-type templates.
1112 * parser.c (cp_parser_template_id): Likewise.
1113 * cp-tree.h (check_auto_in_tmpl_args): Declare.
1114 * typeck2.c (build_functional_cast): Report correct location
1115 for invalid use of auto.
1117 2018-04-04 Jason Merrill <jason@redhat.com>
1119 PR c++/85215 - ICE with copy-init from conversion.
1120 * call.c (merge_conversion_sequences): Fix type of direct binding
1121 sequence.
1123 PR c++/84938 - ICE with division by ~-1.
1124 * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
1126 PR c++/84936 - ICE with unexpanded pack in mem-initializer.
1127 * parser.c (cp_parser_mem_initializer_list): Call
1128 check_for_bare_parameter_packs.
1130 2018-04-04 Jakub Jelinek <jakub@redhat.com>
1132 PR inline-asm/85172
1133 * constexpr.c (cxx_eval_builtin_function_call): For calls to
1134 builtin_valid_in_constant_expr_p functions, don't call
1135 cxx_eval_constant_expression if argument is not
1136 potential_constant_expression.
1138 PR c++/85146
1139 * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
1140 argument.
1141 * semantics.c (calculate_bases): Add complain argument. Use
1142 complete_type_or_maybe_complain instead of just complete_type and
1143 return an empty vector if it fails. Move make_tree_vector () call
1144 after early return. Formatting fixes.
1145 (calculate_direct_bases): Likewise. Call release_tree_vector at the
1146 end.
1147 (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
1148 * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
1149 calculate_direct_bases callers, formatting fixes.
1151 2018-04-04 Jason Merrill <jason@redhat.com>
1153 PR c++/85006 - -fconcepts ICE with A<auto...> return type
1154 * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
1156 PR c++/85200 - ICE with constexpr if in generic lambda.
1157 * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
1159 PR c++/84221 - bogus -Wunused with attribute and template.
1160 * decl2.c (is_late_template_attribute): Handle unused and used
1161 normally on non-TYPE_DECL.
1163 PR c++/85135 - ICE with omitted template arguments.
1164 * decl.c (grokdeclarator): Catch deduced class type in trailing
1165 return type.
1167 PR c++/85133 - ICE with missing concept initializer.
1168 * decl.c (cp_finish_decl): If a concept initializer is missing, use
1169 true.
1171 PR c++/85118 - wrong error with generic lambda and std::bind.
1172 * call.c (add_template_conv_candidate): Disable if there are any
1173 call operators.
1175 PR c++/85141 - ICE with compound assignment and static member fn.
1176 * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
1177 compound assignment.
1179 PR c++/85148 - ICE with 'this' in array NSDMI.
1180 * tree.c (replace_placeholders_r): Use handled_component_p.
1182 2018-04-04 Ville Voutilainen <ville.voutilainen@gmail.com>
1184 PR c++/65923
1185 * decl.c (grokfndecl): Handle standard UDL diagnostics here..
1186 * parser.c (cp_parser_unqualified_id): ..not here.
1188 2018-04-04 Alexandre Oliva <aoliva@redhat.com>
1190 PR c++/84943
1191 * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
1192 used.
1193 * decl2.c (mark_used): Return without effects if tf_conv.
1195 2018-04-03 Jason Merrill <jason@redhat.com>
1197 PR c++/85092 - C++17 ICE with unused list constructor.
1198 * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
1199 from a TARGET_EXPR.
1201 PR c++/85113 - ICE with constexpr and __builtin_constant_p.
1202 * constexpr.c (cxx_eval_builtin_function_call): Only defer
1203 __builtin_constant_p if ctx->quiet.
1205 2018-04-03 Paolo Carlini <paolo.carlini@oracle.com>
1207 PR c++/84768
1208 * pt.c (rewrite_template_parm): If the first argument is
1209 error_mark_node return it immediately.
1210 (build_deduction_guide): Check the return value of the
1211 latter for error_mark_node.
1212 (do_class_deduction): Check the return value of the latter.
1214 2018-04-03 Jason Merrill <jason@redhat.com>
1216 * semantics.c (finish_if_stmt_cond): Use
1217 instantiation_dependent_expression_p.
1219 PR c++/85149 - generic lambda and constexpr if.
1220 * pt.c (build_extra_args, add_extra_args): Split from
1221 tsubst_pack_expansion.
1222 (tsubst_expr) [IF_STMT]: Use them.
1223 * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
1225 * typeck.c (merge_types): Limit matching attribute shortcut to
1226 the default case.
1228 2018-04-03 Jakub Jelinek <jakub@redhat.com>
1230 PR c++/85147
1231 * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
1233 PR c++/85140
1234 * name-lookup.c (handle_namespace_attrs): Return early if attributes
1235 is error_mark_node.
1237 PR c++/85134
1238 * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
1239 fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
1240 instead for static data members clear init and set DECL_EXTERNAL.
1242 2018-04-02 Jason Merrill <jason@redhat.com>
1244 PR c++/64095 - auto... parameter pack.
1245 * parser.c (cp_parser_parameter_declaration): Handle turning autos
1246 into packs here.
1247 (cp_parser_parameter_declaration_list): Not here.
1249 2018-03-31 Alexandre Oliva <aoliva@redhat.com>
1251 PR c++/85027
1252 * class.c (instantiate_type): Peel off SAVE_EXPR before
1253 BASELINK.
1255 2018-03-30 Jason Merrill <jason@redhat.com>
1257 * typeck2.c (process_init_constructor_record): Use
1258 init_list_type_node for the CONSTRUCTOR around an anonymous union
1259 designated initializer.
1261 2018-03-30 Jakub Jelinek <jakub@redhat.com>
1263 PR c++/84791
1264 * semantics.c (finish_omp_reduction_clause): If
1265 OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
1266 even if processing_template_decl.
1268 2018-03-29 David Malcolm <dmalcolm@redhat.com>
1270 PR c++/84269
1271 * name-lookup.c (get_std_name_hint): Add names from <memory>,
1272 <tuple>, and <utility>.
1274 2018-03-29 Jason Merrill <jason@redhat.com>
1276 PR c++/85093 - too many template args with pack expansion.
1277 * pt.c (coerce_template_parms): Keep pack expansion args that will
1278 need to be empty.
1280 2018-03-29 Jason Merrill <jason@redhat.com>
1282 * pt.c (build_non_dependent_expr): Propagate expr location.
1284 2018-03-27 Jason Merrill <jason@redhat.com>
1286 PR c++/85060 - wrong-code with call to base member in template.
1287 * search.c (any_dependent_bases_p): Check uses_template_parms
1288 rather than processing_template_decl.
1290 2018-03-29 David Malcolm <dmalcolm@redhat.com>
1292 PR c++/85110
1293 * typeck.c (convert_for_assignment): When complaining due to
1294 conversions for an argument, attempt to use the location of the
1295 argument.
1297 2018-03-28 Paolo Carlini <paolo.carlini@oracle.com>
1299 PR c++/85028
1300 * pt.c (tsubst_default_argument): Early return if the type of the
1301 parameter is erroneous.
1303 2018-03-28 Alexandre Oliva <aoliva@redhat.com>
1305 PR c++/84973
1306 * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
1307 templates.
1309 PR c++/84968
1310 * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
1312 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
1314 PR c++/85067
1315 * method.c (defaulted_late_check): Partially revert r253321 changes,
1316 do not early return upon error.
1318 2018-03-27 Jakub Jelinek <jakub@redhat.com>
1320 PR c++/85077
1321 * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
1322 type call fold to generate VECTOR_CSTs when possible.
1324 PR c++/85076
1325 * tree.c (cp_build_reference_type): If to_type is error_mark_node,
1326 return it right away.
1328 2018-03-27 Volker Reichelt <v.reichelt@netcologne.de>
1330 * search.c (check_final_overrider): Use inform instead of error
1331 for the diagnostics of the overridden functions. Tweak wording.
1333 2018-03-27 Jakub Jelinek <jakub@redhat.com>
1335 PR c++/85068
1336 * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
1337 is NULL. Assert if thunk_binfo is NULL then errorcount is non-zero.
1339 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
1340 Jason Merrill <jason@redhat.com>
1342 PR c++/84632
1343 * init.c (build_aggr_init): When initializing from array,
1344 reject anything but CONSTRUCTORs and TARGET_EXPRs.
1345 (build_vec_init): Handle separately ARRAY_TYPEs.
1347 2018-03-26 Jason Merrill <jason@redhat.com>
1349 PR c++/85062 - ICE with alignas in wrong place.
1350 * decl.c (grokdeclarator): Ignore attributes on type-specifiers
1351 here.
1353 PR c++/85049 - ICE with __integer_pack.
1354 * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
1355 * cp-tree.h (TEMPLATE_PARM_P): New.
1357 2018-03-23 Jason Merrill <jason@redhat.com>
1359 PR c++/78489 - wrong SFINAE behavior.
1361 PR c++/84489
1362 * pt.c (type_unification_real): Don't defer substitution failure.
1364 2018-03-23 Jakub Jelinek <jakub@redhat.com>
1366 PR c++/85015
1367 * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
1368 result.
1370 PR c++/84942
1371 * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
1372 cp_build_unary_op call with gcc_unreachable ().
1374 2018-03-23 Marek Polacek <polacek@redhat.com>
1376 PR c++/85045
1377 * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
1378 Handle EXACT_DIV_EXPR and RDIV_EXPR. Tweak condition.
1379 (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
1381 2018-03-23 Ville Voutilainen <ville.voutilainen@gmail.com>
1383 Implement P0962
1384 * parser.c (cp_parser_perform_range_for_lookup): Change
1385 the condition for deciding whether to use members.
1387 2018-03-23 Marek Polacek <polacek@redhat.com>
1389 PR c++/85033
1390 * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
1392 2018-03-23 Alexandre Oliva <aoliva@redhat.com>
1394 PR c++/71251
1395 * parser.c (cp_parser_alias_declaration): Call
1396 parser_check_template_parameters.
1398 PR c++/84789
1399 * pt.c (resolve_typename_type): Drop assert that stopped
1400 simplification to template-independent types. Add assert to
1401 verify the initial scope is template dependent.
1402 * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
1403 Reparse the id expression as a type-name, not a declarator.
1405 PR c++/84729
1406 * init.c (build_vec_init): Error at parenthesized array init.
1408 PR c++/84610
1409 PR c++/84642
1410 PR c++/84942
1411 * cp-tree.h (temp_override): New template class, generalizing
1412 a cleanup that was only used...
1413 * parser.c (cp_parser_parameter_declaration_clause):
1414 ... here for auto_is_implicit_function_template_parm_p.
1415 (cp_parser_gnu_attributes_opt): Use it here as well.
1416 (cp_parser_std_attribute): Likewise.
1418 2018-03-22 Marek Polacek <polacek@redhat.com>
1420 PR c++/84854
1421 * semantics.c (finish_if_stmt_cond): Check if the type of the condition
1422 is boolean.
1424 2018-03-21 Jason Merrill <jason@redhat.com>
1426 PR c++/81311 - wrong C++17 overload resolution.
1427 * call.c (build_user_type_conversion_1): Remove C++17 code.
1428 (conv_binds_ref_to_prvalue): New.
1429 (build_over_call): Handle C++17 copy elision.
1430 (build_special_member_call): Only do C++17 copy elision here if the
1431 argument is already the right type.
1433 2018-03-21 Alexandre Oliva <aoliva@redhat.com>
1435 PR c++/71965
1436 * init.c (build_vec_init): Silence error, former sorry,
1437 without tf_error.
1439 PR c++/84610
1440 PR c++/84642
1441 * parser.c (abort_fully_implicit_template_p): New.
1442 (cp_parser_skip_to_end_of_statement): Use it.
1443 (cp_parser_skip_to_end_of_block_or_statement): Likewise.
1444 (finish_fully_implicit_template_p): Clear
1445 implicit_template_parms and implicit_template_scope.
1447 2018-03-21 Paolo Carlini <paolo.carlini@oracle.com>
1449 PR c++/84972
1450 * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
1451 error_mark_node when check_array_designated_initializer fails.
1453 2018-03-21 Jakub Jelinek <jakub@redhat.com>
1455 PR c++/84961
1456 * cp-tree.h (genericize_compound_lvalue): Declare.
1457 * typeck.c (genericize_compound_lvalue): New function.
1458 (unary_complex_lvalue, cp_build_modify_expr): Use it.
1459 * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
1460 and PREDECREMENT_EXPR in output and "m" constrained input operands with
1461 COMPOUND_EXPR. Call cxx_mark_addressable on the rightmost
1462 COMPOUND_EXPR operand.
1464 2018-03-21 Nathan Sidwell <nathan@acm.org>
1466 PR c++/85008
1467 * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
1468 * decl2.c (vague_linkage_p): Likewise.
1470 2018-03-21 David Malcolm <dmalcolm@redhat.com>
1472 PR c++/84994
1473 * constexpr.c (constexpr_fn_retval): Make non-"static".
1474 * cp-tree.h (constexpr_fn_retval): New decl.
1475 * search.c (direct_accessor_p): Update leading comment.
1476 (reference_accessor_p): Likewise.
1477 (field_accessor_p): Replace check that function body is a
1478 RETURN_EXPR with a call to constexpr_fn_retval. Fix
1479 indentation of "field_type" decl.
1481 2018-03-21 Nathan Sidwell <nathan@acm.org>
1483 PR c++/84804
1484 * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
1485 complete classes.
1487 2018-03-21 Martin Sebor <msebor@redhat.com>
1489 PR c++/84850
1490 * call.c (first_non_public_field): New template and function.
1491 (first_non_trivial_field): New function.
1492 (maybe_warn_class_memaccess): Call them.
1494 2018-03-21 David Malcolm <dmalcolm@redhat.com>
1496 PR c++/84892
1497 * search.c (field_accessor_p): Use class_of_this_parm rather than
1498 type_of_this_parm, to check that "this" is a "const T *", rather
1499 than a "T *const".
1501 2018-03-21 Nathan Sidwell <nathan@acm.org>
1503 * class.c (finish_struct_anon_r): Refactor, deprecate anything
1504 other than public non-static data members.
1505 * parser.c (cp_parser_init_declarator): Deprecate attributes after
1506 parenthesized initializer.
1508 PR c++/84836
1509 * name-lookup.c (update_binding): Correct logic for local binding
1510 update.
1512 2018-03-21 Marek Polacek <polacek@redhat.com>
1514 PR c++/71638, ICE with NSDMI and reference.
1515 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1516 even when we replace an element.
1518 2018-03-20 Marek Polacek <polacek@redhat.com>
1520 PR c++/84978, ICE with NRVO.
1521 * constexpr.c (cxx_eval_constant_expression): Handle the case when
1522 a RESULT_DECL isn't in the hash map.
1524 2018-03-20 Jason Merrill <jason@redhat.com>
1526 PR c++/84978, ICE with NRVO.
1527 * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
1528 (cp_get_callee_fndecl_nofold): New.
1529 * cp-gimplify.c (cp_genericize_r): Use it instead.
1530 * call.c (check_self_delegation): Likewise.
1532 2018-03-20 Nathan Sidwell <nathan@acm.org>
1534 PR c++/84962
1535 * name-lookup.c (pushdecl_class_level): Push anon-struct's
1536 member_vec, if there is one.
1538 PR c++/84970
1539 * cp-tree.h (lookup_list_keep): Declare.
1540 * tree.c (lookup_list_keep): New, broken out of ...
1541 (build_min): ... here. Call it.
1542 * decl.c (cp_finish_decl): Call lookup_list_keep.
1544 2018-03-19 Jason Merrill <jason@redhat.com>
1546 PR c++/84937 - ICE with class deduction and auto.
1547 * pt.c (rewrite_template_parm): Fix auto handling.
1549 2018-03-19 Marek Polacek <polacek@redhat.com>
1551 PR c++/84925
1552 * pt.c (enclosing_instantiation_of): Check if fn is null.
1554 PR c++/84927
1555 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1556 as we evaluate the elements.
1557 (cxx_eval_constant_expression): Verify constructor's flags
1558 unconditionally.
1560 2018-03-19 Jason Merrill <jason@redhat.com>
1562 PR c++/71834 - template-id with too few arguments.
1563 * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
1565 2018-03-19 Nathan Sidwell <nathan@acm.org>
1567 PR c++/84835
1568 * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
1569 * pt.c (build_template_decl): Propagate language linkage.
1571 PR c++/84812
1572 * name-lookup.c (set_local_extern_decl_linkage): Defend against
1573 ambiguous lookups.
1575 2018-03-16 Jakub Jelinek <jakub@redhat.com>
1577 PR c/84910
1578 * parser.c (cp_parser_lambda_introducer): Remove trailing space from
1579 diagnostics.
1580 * method.c (synthesize_method): Likewise.
1581 * pt.c (convert_nontype_argument): Likewise.
1583 2018-03-16 Jason Merrill <jason@redhat.com>
1585 PR c++/84720 - ICE with rvalue ref non-type argument.
1586 * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
1587 (convert_nontype_argument): Revert earlier change.
1589 PR c++/80227 - SFINAE and negative array size.
1590 * decl.c (compute_array_index_type): Use
1591 build_converted_constant_expr and valid_constant_size_p.
1593 PR c++/84906 - silent wrong code with ambiguous conversion.
1594 * call.c (build_user_type_conversion_1): Set need_temporary_p on
1595 ambiguous conversion.
1596 (convert_like_real): Check it.
1598 PR c++/83937 - wrong C++17 handling of init-list ctor argument.
1599 * call.c (build_special_member_call): Don't convert an init-list
1600 argument directly to the class type.
1602 2018-03-16 Jakub Jelinek <jakub@redhat.com>
1604 PR c++/79937
1605 PR c++/82410
1606 * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
1607 (find_placeholder): Declare.
1608 * tree.c (struct replace_placeholders_t): Add exp member.
1609 (replace_placeholders_r): Don't walk into ctors with
1610 CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
1611 d->exp. Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
1612 (replace_placeholders): Initialize data.exp.
1613 (find_placeholders_r, find_placeholders): New functions.
1614 * typeck2.c (process_init_constructor_record,
1615 process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
1616 if adding NSDMI on which find_placeholder returns true.
1617 * call.c (build_over_call): Don't call replace_placeholders here.
1618 * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
1619 TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
1620 TARGET_EXPR_INITIAL.
1621 (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
1622 ctor.
1624 2018-03-16 Jason Merrill <jason@redhat.com>
1626 PR c++/83911 - ICE with multiversioned constructor.
1627 * cp-gimplify.c (cp_genericize_r): Replace versioned function with
1628 dispatchere here.
1629 * call.c (build_over_call): Not here.
1631 2018-03-16 Jakub Jelinek <jakub@redhat.com>
1633 PR c++/84874
1634 * decl.c (reshape_init_class): Don't assert d->cur->index == field
1635 if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
1637 2018-03-15 Jakub Jelinek <jakub@redhat.com>
1639 PR c++/84222
1640 * cp-tree.h (cp_warn_deprecated_use): Declare.
1641 * tree.c (cp_warn_deprecated_use): New function.
1642 * typeck2.c (build_functional_cast): Use it.
1643 * decl.c (grokparms): Likewise.
1644 (grokdeclarator): Likewise. Temporarily push nested class scope
1645 around grokparms call for out of class member definitions.
1647 2018-03-14 Jason Merrill <jason@redhat.com>
1649 PR c++/84820 - no error for invalid qualified-id.
1650 * parser.c (cp_parser_make_indirect_declarator): Don't wrap
1651 cp_error_declarator.
1653 PR c++/84801 - ICE with unexpanded pack in lambda.
1654 * pt.c (check_for_bare_parameter_packs): Don't return early for a
1655 lambda in non-template context.
1657 PR c++/81236 - auto variable and auto function
1658 * pt.c (tsubst_baselink): Update the type of the BASELINK after
1659 mark_used.
1661 2018-03-14 Jason Merrill <jason@redhat.com>
1663 PR c++/83916 - ICE with template template parameters.
1664 * pt.c (convert_template_argument): Don't substitute into type of
1665 non-type parameter if we don't have enough arg levels.
1666 (unify): Likewise.
1668 2018-03-14 Marek Polacek <polacek@redhat.com>
1670 PR c++/84596
1671 * semantics.c (finish_static_assert): Check
1672 instantiation_dependent_expression_p instead of
1673 {type,value}_dependent_expression_p.
1675 2018-03-13 Paolo Carlini <paolo.carlini@oracle.com>
1676 Jason Merrill <jason@redhat.com>
1678 PR c++/82336 - link error with list-init default argument.
1679 * decl.c (check_default_argument): Unshare an initializer list.
1681 2018-03-13 Jakub Jelinek <jakub@redhat.com>
1683 PR c++/84843
1684 * decl.c (duplicate_decls): For redefinition of built-in, use error
1685 and return error_mark_node. For redeclaration, return error_mark_node
1686 rather than olddecl if !flag_permissive.
1688 2018-03-13 Jason Merrill <jason@redhat.com>
1690 PR c++/82565 - ICE with concepts and generic lambda.
1691 * pt.c (instantiate_decl): Clear fn_context for lambdas.
1693 2018-03-13 Jason Merrill <jason@redhat.com>
1695 PR c++/84720 - ICE with rvalue ref non-type argument.
1696 * pt.c (convert_nontype_argument): Handle rvalue references.
1698 PR c++/84839 - ICE with decltype of parameter pack.
1699 * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
1700 instantiating dummy parms.
1702 * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
1703 parameter even without -Wpedantic.
1705 PR c++/84798 - ICE with auto in abstract function declarator.
1706 * parser.c (cp_parser_parameter_declaration_clause): Check
1707 parser->default_arg_ok_p.
1709 2018-03-13 Jakub Jelinek <jakub@redhat.com>
1711 PR c++/84808
1712 * constexpr.c (find_array_ctor_elt): Don't use elt reference after
1713 first potential CONSTRUCTOR_ELTS reallocation. Convert dindex to
1714 sizetype. Formatting fixes.
1716 2018-03-12 Jason Merrill <jason@redhat.com>
1718 PR c++/84355 - ICE with deduction for member class template.
1719 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
1720 CLASS_PLACEHOLDER_TEMPLATE.
1722 PR c++/84802 - ICE capturing uninstantiated class.
1723 * lambda.c (build_capture_proxy): Call complete_type.
1725 2018-03-09 Jason Merrill <jason@redhat.com>
1727 PR c++/84770 - ICE with typedef and parameter pack.
1728 * pt.c (verify_unstripped_args_1): Split out from
1729 verify_unstripped_args.
1731 PR c++/84785 - ICE with alias template and default targs.
1732 * pt.c (type_unification_real): Set processing_template_decl if
1733 saw_undeduced == 1.
1735 PR c++/84752 - ICE with capture of constexpr array.
1736 * call.c (standard_conversion): Set rvaluedness_matches_p on the
1737 identity conversion under ck_lvalue.
1739 2018-03-09 Jason Merrill <jason@redhat.com>
1740 Paolo Carlini <paolo.carlini@oracle.com>
1742 PR c++/71169
1743 PR c++/71832
1744 * pt.c (any_erroneous_template_args_p): New.
1745 * cp-tree.h (any_erroneous_template_args_p): Declare it.
1746 * parser.c (cp_parser_class_specifier_1): Use it.
1748 2018-03-09 Jason Merrill <jason@redhat.com>
1750 PR c++/84726 - unnecessary capture of constant vars.
1751 * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
1752 (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
1753 * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
1754 * lambda.c (is_constant_capture_proxy)
1755 (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
1756 (prune_lambda_captures): New.
1757 (finish_lambda_function): Call prune_lambda_captures.
1759 2018-03-09 Jason Merrill <jason@redhat.com>
1760 Jakub Jelinek <jakub@redhat.com>
1762 PR c++/84076
1763 * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
1764 build ADDR_EXPR with REFERENCE_TYPE.
1765 (build_over_call): For purposes of check_function_arguments, if
1766 argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
1767 its operand rather than the argument itself.
1769 2018-03-09 Jakub Jelinek <jakub@redhat.com>
1771 PR c++/84724
1772 * decl.c (duplicate_decls): Don't override __* prefixed builtins
1773 except for __[^b]*_chk, instead issue permerror and for -fpermissive
1774 also a note and return olddecl.
1776 2018-03-09 Nathan Sidwell <nathan@acm.org>
1778 PR c++/84733
1779 * name-lookup.c (do_pushdecl_with_scope): Only clear
1780 current_function_decl when pushing a non-class (i.e. namespace)
1781 scope.
1783 2018-03-08 Jason Merrill <jason@redhat.com>
1784 Jakub Jelinek <jakub@redhat.com>
1786 PR c++/80598
1787 * call.c (build_over_call): In templates set TREE_USED (first_fn) when
1788 not calling mark_used for the benefit of -Wunused-function warning.
1790 2018-03-06 Jason Merrill <jason@redhat.com>
1792 * lambda.c (is_capture_proxy_with_ref): Remove.
1793 * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
1795 2018-03-06 Marek Polacek <polacek@redhat.com>
1797 PR c++/84684
1798 * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
1799 arguments.
1801 2018-03-06 Alexandre Oliva <aoliva@redhat.com>
1803 PR c++/84231
1804 * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
1805 only while processing template decls.
1806 * typeck.c (build_x_conditional_expr): Move wrapping of
1807 reference type around type...
1808 * call.c (build_conditional_expr_1): ... here. Rename
1809 is_lvalue to is_glvalue.
1810 * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
1811 INDIRECT_REF of COND_EXPR too.
1813 PR c++/84593
1814 * init.c (build_zero_init_1): Zero-initialize references.
1816 PR c++/84492
1817 * semantics.c (finish_stmt_expr_expr): Reject unresolved
1818 overloads used as stmt expr values.
1820 2018-03-05 Jason Merrill <jason@redhat.com>
1822 PR c++/84708 - ICE with lambda in local class NSDMI.
1823 * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
1824 context.
1826 2018-03-05 Jakub Jelinek <jakub@redhat.com>
1828 PR c++/84684
1829 * constexpr.c (constexpr_call_hasher::equal): Return false if
1830 lhs->hash != rhs->hash. Change return 1 to return true and
1831 return 0 to return false.
1833 2018-03-05 Nathan Sidwell <nathan@acm.org>
1835 PR c++/84702
1836 * pt.c (process_template_arg): Mark lookup_keep on a default arg.
1838 2018-03-05 Marek Polacek <polacek@redhat.com>
1840 PR c++/84707
1841 * decl.c (duplicate_decls): Check DECL_NAME before accessing
1842 UDLIT_OPER_P.
1844 2018-03-05 Nathan Sidwell <nathan@acm.org>
1846 PR c++/84694
1847 * friend.c (do_friend): Restore check for identifier_p inside
1848 TEMPLATE_ID_EXPR.
1850 2018-03-05 Paolo Carlini <paolo.carlini@oracle.com>
1852 PR c++/84618
1853 * parser.c (cp_parser_lambda_introducer): Reject any capture not
1854 involving a VAR_DECL or a PARM_DECL.
1856 2018-03-05 Pádraig Brady <P@draigBrady.com>
1857 Jason Merrill <jason@redhat.com>
1858 Nathan Sidwell <nathan@acm.org>
1860 PR c++/84497
1861 * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
1863 2018-03-03 Jason Merrill <jason@redhat.com>
1865 PR c++/84686 - missing volatile loads.
1866 * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
1868 2018-03-03 Paolo Carlini <paolo.carlini@oracle.com>
1870 PR c++/71464
1871 * optimize.c (maybe_thunk_body): Bail out immediately if either
1872 fns[0] or fns[1] is null.
1874 2018-03-02 Marek Polacek <polacek@redhat.com>
1876 PR c++/84578
1877 * constexpr.c (get_array_or_vector_nelts): New.
1878 (cxx_eval_array_reference): Use it.
1879 (cxx_eval_vec_init_1): Likewise.
1880 (cxx_eval_store_expression): Likewise.
1882 2018-03-02 Jason Merrill <jason@redhat.com>
1884 * semantics.c (force_paren_expr): Remove redundant test.
1886 2018-03-02 Marek Polacek <polacek@redhat.com>
1888 PR c++/84663
1889 * decl.c (cp_complete_array_type): Check error_mark_node.
1891 PR c++/84664
1892 * typeck.c (cp_perform_integral_promotions): Check the result of
1893 mark_rvalue_use.
1895 2018-03-02 Jakub Jelinek <jakub@redhat.com>
1897 PR c++/84662
1898 * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
1899 RETURN instead of return.
1900 <case POINTER_PLUS_EXPR>: Likewise.
1901 <case CONVERT_EXPR>: If op0 is error_mark_node, just return
1902 it instead of wrapping it into CONVERT_EXPR.
1904 2018-03-02 Jason Merrill <jason@redhat.com>
1906 Fix MIPS16 ICE.
1907 * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
1909 2018-03-02 Marek Polacek <polacek@redhat.com>
1911 PR c++/84590
1912 * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
1913 wrapped in VIEW_CONVERT_EXPR.
1915 2018-03-01 Martin Sebor <msebor@redhat.com>
1917 PR c++/84294
1918 * decl.c (check_redeclaration_no_default_args): Merge attributes
1919 specified on redeclarations of the same function template.
1920 Remove dead code.
1922 2018-03-01 Marek Polacek <polacek@redhat.com>
1923 Jason Merrill <jason@redhat.com>
1925 PR c++/84582
1926 * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
1927 a template.
1928 (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
1929 * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
1930 of instantiate_non_dependent_expr.
1931 * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
1933 2018-03-01 Nathan Sidwell <nathan@acm.org>
1935 PR c++/84434
1936 * name-lookup.c (member_vec_dedup): Remove manually peeled
1937 iteration. Ignore dependent ctor inheritance.
1939 2018-03-01 Jason Merrill <jason@redhat.com>
1941 PR c++/71569 - decltype of template.
1942 * parser.c (cp_parser_decltype_expr): Handle missing template args.
1944 2018-03-01 Marek Polacek <polacek@redhat.com>
1946 PR c++/84596
1947 * constexpr.c (require_rvalue_constant_expression): New function.
1948 * cp-tree.h: Declare it.
1949 * semantics.c (finish_static_assert): Use it instead of
1950 require_potential_rvalue_constant_expression.
1952 2018-03-01 Jason Merrill <jason@redhat.com>
1953 Alexandre Oliva <aoliva@redhat.com>
1955 PR c++/71569 - ICE with redundant args on member variable template.
1956 * decl.c (start_decl): Handle partial specialization of member
1957 variable template.
1958 * pt.c (determine_specialization): Allow partial specialization
1959 of member variable template without specializing enclosing class.
1960 (process_partial_specialization): Improve error message.
1962 2018-02-28 Jason Merrill <jason@redhat.com>
1964 PR c++/71784 - ICE with ref-qualifier and explicit specialization.
1965 * pt.c (determine_specialization): Check ref-qualifier.
1967 2018-02-28 Jakub Jelinek <jakub@redhat.com>
1969 PR c++/84609
1970 * parser.c (cp_parser_attributes_opt): Formatting fix.
1971 (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
1972 cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
1973 New functions.
1974 (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
1975 instead of tentative parse to peek over optional attribute tokens
1976 to check for CPP_COLON after them.
1978 PR c++/83871
1979 PR c++/83503
1980 * pt.c (INCLUDE_STRING): Remove define.
1981 (warn_spec_missing_attributes): Use pretty_printer instead of
1982 std::string. Fix up inform call so that the list of attributes
1983 is in %s argument.
1985 2018-02-28 Martin Sebor <msebor@redhat.com>
1987 PR testsuite/84617
1988 * decl.c (duplicate_decls): Fully merge attributes const, pure,
1989 and malloc.
1991 2018-02-28 Nathan Sidwell <nathan@acm.org>
1993 PR c++/84602
1994 * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
1995 * name-lookup.c (fields_linear_search): Look in an anon-aggr
1996 regardless of want_type.
1997 (search_anon_aggr): Just use get_class_binding_direct.
1999 2018-02-28 Jakub Jelinek <jakub@redhat.com>
2001 * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
2002 inform_n.
2004 2018-02-27 Martin Sebor <msebor@redhat.com>
2006 * pt.c: Avoid including <string> directly.
2008 2018-02-27 Martin Sebor <msebor@redhat.com>
2010 PR c++/83871
2011 PR c++/83503
2012 * cp-tree.h (warn_spec_missing_attributes): New function.
2013 ((check_explicit_specialization): Add an argument. Call the above
2014 function.
2015 * decl.c (duplicate_decls): Avoid applying primary function template's
2016 attributes to its explicit specializations.
2017 cp/pt.c (warn_spec_missing_attributes): Define.
2019 2018-02-27 Håkon Sandsmark <hsandsmark@gmail.com>
2021 PR c++/71546 - lambda init-capture with qualified-id.
2022 * parser.c (cp_parser_lambda_introducer): Clear scope after
2023 each lambda capture.
2025 2018-02-27 Nathan Sidwell <nathan@acm.org>
2027 PR c++/84426
2028 * name-lookup.h (get_member_slot): Rename ...
2029 (find_member_slot): ... here.
2030 (add_member_slot): New.
2031 * name-lookup.c (member_vec_linear_search): No need to check for
2032 NULL slot.
2033 (get_member_slot): Rename ...
2034 (find_member_slot): ... here. Don't add slot for incomplete class.
2035 (add_member_slot): New.
2036 * class.c (add_method): Adjust get_member_slot rename. Bail out
2037 if push_class_level_binding fails. Create slot and grok
2038 properties once we're committed to insertion.
2040 2018-02-27 Jason Merrill <jason@redhat.com>
2042 PR c++/84489 - dependent default template argument
2043 * pt.c (type_unification_real): Handle early substitution failure.
2045 2018-02-26 Jason Merrill <jason@redhat.com>
2047 PR c++/84560 - ICE capturing multi-dimensional VLA.
2048 * tree.c (array_of_runtime_bound_p): False if the element is
2049 variably-modified.
2051 PR c++/84441 - ICE with base initialized from ?:
2052 * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
2054 PR c++/84520 - ICE with generic lambda in NSDMI.
2055 * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
2056 'this' in a generic lambda instantiation.
2058 PR c++/84559 - ICE with constexpr VLA.
2059 * constexpr.c (ensure_literal_type_for_constexpr_object): Check
2060 for constexpr variable with VLA type.
2062 2018-02-26 Jakub Jelinek <jakub@redhat.com>
2064 PR c++/84558
2065 * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
2066 a valid constant initializer. Formatting fixes.
2068 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
2070 PR c++/84540
2071 * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
2072 returning NULL_TREE.
2073 (apply_late_template_attributes): Likewise.
2075 2018-02-26 Jakub Jelinek <jakub@redhat.com>
2077 PR c++/84557
2078 * parser.c (cp_parser_omp_var_list_no_open): Only call
2079 cp_parser_lookup_name_simple on names satisfying identifier_p.
2080 (cp_parser_oacc_routine): Likewise.
2082 2018-02-26 Jason Merrill <jason@redhat.com>
2084 PR c++/84551 - ICE with concepts and -g.
2085 * parser.c (add_debug_begin_stmt): Do nothing in a concept.
2087 2018-02-26 Marek Polacek <polacek@redhat.com>
2089 PR c++/84325
2090 * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
2091 non-types.
2093 2018-02-26 Jason Merrill <jason@redhat.com>
2095 PR c++/84447 - ICE with deleted inherited ctor with default arg.
2096 * call.c (build_over_call): Handle deleted functions in one place.
2098 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
2100 PR c++/84533
2101 * decl.c (redeclaration_error_message): Don't try to use
2102 DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
2104 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
2106 * lambda.c (build_capture_proxy): Define static.
2107 * cp-tree.h (build_capture_proxy): Remove.
2109 2018-02-26 Marek Polacek <polacek@redhat.com>
2111 PR c++/84537
2112 * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
2113 if name is error node.
2115 2018-02-25 Jason Merrill <jason@redhat.com>
2117 PR c++/84015 - ICE with class deduction and auto template parm.
2118 * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
2120 2018-02-24 Marek Polacek <polacek@redhat.com>
2122 PR c++/83692
2123 * constexpr.c (maybe_constant_init_1): New function.
2124 (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
2125 (cxx_constant_init): New function.
2126 * cp-tree.h (cxx_constant_init): Declare.
2127 * typeck2.c (store_init_value): Call cxx_constant_init instead of
2128 cxx_constant_value. Move the maybe_constant_init call under an 'else'.
2130 2018-02-22 Jason Merrill <jason@redhat.com>
2132 PR c++/70468 - ICE with constructor delegation via typedef.
2133 * pt.c (tsubst_initializer_list): Check for other mem-initializers
2134 with constructor delegation.
2136 2018-02-22 Jason Merrill <jason@redhat.com>
2138 PR c++/84424 - ICE with constexpr and __builtin_shuffle.
2139 * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
2140 VECTOR_TYPE.
2142 2018-02-22 Marek Polacek <polacek@redhat.com>
2144 PR c++/84493
2145 * parser.c (cp_parser_braced_list): Use require_open instead of
2146 consume_open.
2148 2018-02-21 Jason Merrill <jason@redhat.com>
2150 PR c++/84454 - ICE with pack expansion in signature.
2151 * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
2153 2018-02-20 Siddhesh Poyarekar <siddhesh@sourceware.org>
2155 * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
2156 IF_STMT.
2158 2018-02-20 Paolo Carlini <paolo.carlini@oracle.com>
2160 PR c++/84446
2161 * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
2162 on error_mark_node.
2164 2018-02-20 Jakub Jelinek <jakub@redhat.com>
2166 PR c++/84445
2167 * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
2168 TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
2170 PR c++/84449
2171 * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
2172 returns error_mark_node, return it immediately.
2173 (break_out_target_exprs): If cp_walk_tree with bot_manip returns
2174 error_mark_node, return error_mark_node.
2176 PR c++/84455
2177 * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
2178 function_depth to avoid GC during finish_lambda_function.
2180 2018-02-19 Jason Merrill <jason@redhat.com>
2182 PR c++/84429 - ICE capturing VLA.
2183 * lambda.c (build_capture_proxy): Handle reference refs.
2185 2018-02-19 Jakub Jelinek <jakub@redhat.com>
2187 PR c++/84448
2188 * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
2189 either operand is error_mark_node, set current.lhs to that instead of
2190 creating a binary op with error_mark_node operands.
2192 PR c++/84430
2193 * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
2195 2018-02-19 Paolo Carlini <paolo.carlini@oracle.com>
2197 PR c++/84348
2198 * decl.c (grokdeclarator): Early return error_mark_node upon
2199 ill-formed friend declaration.
2201 2018-02-16 Marek Polacek <polacek@redhat.com>
2202 Jakub Jelinek <jakub@redhat.com>
2204 PR c++/84192
2205 * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
2206 set *jump_target to anything if jump_target is NULL.
2208 2018-02-16 Jason Merrill <jason@redhat.com>
2210 PR c++/84151 - unnecessary volatile load with static member.
2211 * call.c (build_new_method_call_1): Avoid loading from a volatile
2212 lvalue used as the object argument for a static member function.
2214 PR c++/81853 - using-directive and constexpr.
2215 * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
2217 PR c++/84420 - ICE with structured binding in lambda.
2218 * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
2220 PR c++/83835 - C++17 error with constructor ctors.
2221 * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
2223 PR c++/82664 - ICE with reference to function template parm.
2224 * pt.c (convert_nontype_argument_function): Avoid obfuscationg
2225 NOP_EXPRs.
2227 PR c++/82764 - C++17 ICE with empty base
2228 * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
2230 2018-02-16 Jason Merrill <jason@redhat.com>
2232 PR c++/84421 - type-dependent if constexpr
2233 * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
2235 2018-02-16 Nathan Sidwell <nathan@acm.org>
2237 Deprecate -ffriend-injection.
2238 * decl.c (cxx_init_decl_processing): Emit warning on option.
2239 * name-lookup.c (do_pushdecl): Emit warning if we push a visible
2240 friend.
2242 2018-02-16 Paolo Carlini <paolo.carlini@oracle.com>
2244 PR c++/82468
2245 * decl.c (check_special_function_return_type): Reject template
2246 template parameter in deduction guide.
2248 2018-02-16 Nathan Sidwell <nathan@acm.org>
2250 PR c++/84375
2251 * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
2253 2018-02-15 Jason Merrill <jason@redhat.com>
2255 PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
2256 * call.c (convert_like_real): Don't use the copy-list-initialization
2257 shortcut for ck_base.
2259 PR c++/84045 - ICE with typedef and noexcept.
2260 * except.c (build_noexcept_spec): Use strip_typedefs_expr.
2262 PR c++/84376 - ICE with omitted template arguments.
2263 * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
2265 PR c++/84368 - wrong error with local variable in variadic lambda.
2266 * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
2267 local_specializations.
2269 2018-02-15 Paolo Carlini <paolo.carlini@oracle.com>
2271 PR c++/84330
2272 * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
2273 as first argument.
2275 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
2277 PR c++/84350
2278 * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
2279 init, early return.
2281 2018-02-14 Nathan Sidwell <nathan@acm.org>
2283 * decl2.c (mark_vtable_entries): Set input_location to decl's.
2284 (c_parse_final_cleanups): Restore input_location after emitting
2285 vtables.
2287 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
2289 * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
2290 (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
2291 auto_deduction_context, tree, int): Add defaults.
2292 * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
2293 (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
2294 tsubst_flags_t argument.
2295 * init.c (build_new): Likewise.
2297 2018-02-13 Jakub Jelinek <jakub@redhat.com>
2299 PR c++/84364
2300 * typeck.c (check_return_expr): Don't emit -Weffc++ warning
2301 about return other than *this in assignment operators if
2302 retval is type dependent expression.
2304 2018-02-13 Paolo Carlini <paolo.carlini@oracle.com>
2306 PR c++/84333
2307 * call.c (build_conditional_expr_1): Use cp_save_expr instead of
2308 save_expr for the G++ extension.
2310 2018-02-13 Jason Merrill <jason@redhat.com>
2312 PR c++/84080 - ICE with return type deduction and specialization.
2313 * pt.c (determine_specialization): Check uses_template_parms.
2315 Fix more variadic capture issues.
2316 * pt.c (find_parameter_packs_r): Also look at explicit captures.
2317 (check_for_bare_parameter_packs): Check current_class_type for
2318 lambda context.
2319 (extract_locals_r): Handle seeing a full instantiation of a pack.
2320 (tsubst_pack_expansion): Likewise. Force lambda capture.
2321 * parser.c (cp_parser_lambda_introducer): Don't
2322 check_for_bare_parameter_packs.
2324 PR c++/84338 - wrong variadic sizeof.
2325 * pt.c (argument_pack_select_arg): Like the macro, but look through
2326 a pack expansion.
2327 (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
2328 (extract_fnparm_pack): Do make_pack_expansion.
2329 (extract_locals_r): Do strip a pack expansion.
2330 * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
2332 2018-02-12 Jakub Jelinek <jakub@redhat.com>
2334 PR c++/84341
2335 * parser.c (cp_parser_binary_expression): Use build_min instead of
2336 build2_loc to build the no_toplevel_fold_p toplevel binary expression.
2338 2018-02-12 Nathan Sidwell <nathan@acm.org>
2340 PR c++/84263
2341 * parser.c (cp_parser_decltype): Push and pop
2342 deferring_access_checks. Reorganize to avoid goto.
2344 2018-02-12 Richard Biener <rguenther@suse.de>
2346 PR c++/84281
2347 * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
2348 uniform constructors and delay allocating them fully.
2350 2018-02-09 Jason Merrill <jason@redhat.com>
2352 PR c++/84036 - ICE with variadic capture.
2353 Handle variadic capture proxies more like non-variadic.
2354 * lambda.c (build_capture_proxy): Remove workaround.
2355 * pt.c (find_parameter_packs_r): The proxy is a pack.
2356 (instantiate_class_template_1): Remove dead lambda code.
2357 (extract_fnparm_pack): Don't make_pack_expansion.
2358 (extract_locals_r): Don't strip a pack expansion.
2359 (tsubst_pack_expansion): Handle proxy packs. Use
2360 PACK_EXPANSION_EXTRA_ARGS less.
2361 (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
2362 (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
2363 [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
2364 (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
2365 (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
2367 2018-02-10 Jakub Jelinek <jakub@redhat.com>
2369 PR sanitizer/83987
2370 * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
2372 2018-02-09 Jason Merrill <jason@redhat.com>
2374 PR c++/81917 - ICE with void_t and partial specialization.
2375 * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
2376 calling most_specialized_partial_spec.
2378 2018-02-09 Nathan Sidwell <nathan@acm.org>
2380 PR c/84293
2381 * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
2382 Pass expr location to strict_aliasing_warning.
2384 2018-02-09 Jason Merrill <jason@redhat.com>
2386 PR c++/84296 - ICE with qualified-id in template.
2387 PR c++/83714
2388 * pt.c (unknown_base_ref_p): New.
2389 (instantiation_dependent_scope_ref_p): Use it instead of
2390 any_dependent_bases_p.
2392 2018-02-09 Marek Polacek <polacek@redhat.com>
2393 Jakub Jelinek <jakub@redhat.com>
2395 PR c++/83659
2396 * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
2397 fold_indirect_ref_1, including poly_*int64. Verify first that
2398 tree_fits_poly_int64_p (op01). Formatting fixes.
2400 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
2402 * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
2403 * lambda.c (build_capture_proxy): Likewise.
2404 * search.c (field_access_p): Likewise.
2405 * semantics.c (omp_clause_decl, omp_privatize_field,
2406 finish_omp_clauses): Likewise.
2408 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
2410 PR c++/83806
2411 * typeck.c (decay_conversion): Use mark_rvalue_use for the special
2412 case of nullptr too.
2414 2018-02-08 Nathan Sidwell <nathan@acm.org>
2416 * class.c (finish_struct): Fix std:initializer_list diagnostic
2417 formatting.
2419 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
2421 PR c++/83204
2422 * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
2424 2018-02-07 Jakub Jelinek <jakub@redhat.com>
2426 PR c++/84082
2427 * parser.c (cp_parser_dot_deref_incomplete): New function.
2428 (cp_parser_postfix_dot_deref_expression): Use it.
2430 2018-02-07 David Malcolm <dmalcolm@redhat.com>
2432 PR c++/81610
2433 PR c++/80567
2434 * name-lookup.c (suggest_rid_p): New function.
2435 (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
2436 suggest_rid_p.
2438 2018-02-07 Jason Merrill <jason@redhat.com>
2440 PR c++/84182 - ICE with captured lambda
2441 PR c++/84181
2442 * pt.c (extract_locals_r, extract_local_specs): New.
2443 (tsubst_pack_expansion): Use them.
2445 2018-02-07 Martin Liska <mliska@suse.cz>
2447 PR c++/84059.
2448 * class.c (add_method): Append argument value.
2449 * cp-tree.h (maybe_version_functions): Add new argument.
2450 * decl.c (decls_match): Call it if a declaration does not
2451 have DECL_FUNCTION_VERSIONED.
2452 (maybe_version_functions): record argument is added.
2454 2018-02-05 Marek Polacek <polacek@redhat.com>
2456 * class.c: Remove unused global variables.
2457 (build_primary_vtable): Don't gather statistics.
2458 (print_class_statistics): Remove.
2459 * cp-tree.h (print_class_statistics): Remove.
2460 * tree.c (cxx_print_statistics): Don't call print_class_statistics.
2462 2018-02-02 Paolo Carlini <paolo.carlini@oracle.com>
2464 * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
2465 * constexpr.c (cx_check_missing_mem_inits): Likewise.
2466 * decl.c (next_initializable_field, find_decomp_class_base,
2467 cp_finish_decomp): Likewise.
2468 * typeck2.c (process_init_constructor_record): Likewise.
2470 2018-02-02 Jason Merrill <jason@redhat.com>
2472 PR c++/84181 - ICE with lambda parm in template argument.
2473 * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
2475 2018-02-01 Jason Merrill <jason@redhat.com>
2477 PR c++/84160 - ICE with nested variadic capture.
2478 * lambda.c (is_capture_proxy_with_ref): New.
2479 (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
2480 COMPONENT_REF.
2481 * expr.c (mark_use): Use is_capture_proxy_with_ref.
2482 * constexpr.c (potential_constant_expression_1): Likewise.
2483 * semantics.c (process_outer_var_ref): Likewise.
2485 2018-02-01 Marek Polacek <polacek@redhat.com>
2487 PR c++/84125
2488 * typeck.c (build_address): Relax the assert when
2489 processing_template_decl.
2491 2018-02-01 Jason Merrill <jason@redhat.com>
2493 PR c++/84126 - ICE with variadic generic lambda
2494 PR c++/84036
2495 PR c++/82249
2496 * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
2497 PACK_EXPANSION_EXTRA_ARGS.
2499 2018-02-01 Paolo Carlini <paolo.carlini@oracle.com>
2501 PR c++/83796
2502 * call.c (convert_like_real): If w're initializing from {} explicitly
2503 call abstract_virtuals_error_sfinae.
2505 2018-01-31 Jason Merrill <jason@redhat.com>
2506 Jakub Jelinek <jakub@redhat.com>
2508 PR c++/83993
2509 * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
2510 around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
2511 on ADDR_EXPR.
2513 2018-01-31 Jakub Jelinek <jakub@redhat.com>
2515 PR c++/83993
2516 * constexpr.c (diag_array_subscript): Emit different diagnostics
2517 if TYPE_DOMAIN (arraytype) is NULL.
2518 (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
2519 with NULL TYPE_DOMAIN use size_zero_node as nelts.
2521 2018-01-31 Paolo Carlini <paolo.carlini@oracle.com>
2523 PR c++/84092
2524 * semantics.c (finish_qualified_id_expr): When handling an
2525 UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
2527 2018-01-31 Marek Polacek <polacek@redhat.com>
2529 PR c++/84138
2530 * cp-gimplify.c (cp_fold): Check if X is an error node before
2531 calling useless_type_conversion_p.
2533 2018-01-30 Jason Merrill <jason@redhat.com>
2535 PR c++/84091 - ICE with local class in lambda in template.
2536 * decl2.c (determine_visibility): Look for outer containing template
2537 instantiation.
2539 PR c++/84098 - ICE with lambda in template NSDMI.
2540 * pt.c (instantiate_class_template_1): Ignore more lambdas.
2542 2018-01-29 Jason Merrill <jason@redhat.com>
2544 PR c++/68810 - wrong location for reinterpret_cast error.
2545 * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
2546 !dofold.
2548 2018-01-29 Marek Polacek <polacek@redhat.com>
2550 PR c++/83996
2551 * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
2552 => fooarray[1] in offset_int.
2554 2018-01-29 Jason Merrill <jason@redhat.com>
2556 PR c++/83942 - wrong unused warning with static_cast.
2557 * cvt.c (ocp_convert): Call mark_rvalue_use.
2559 2018-01-26 Jason Merrill <jason@redhat.com>
2561 PR c++/83956 - wrong dtor error with anonymous union
2562 * method.c (walk_field_subobs): Variant members only affect
2563 deletedness.
2564 (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
2566 PR c++/84036 - ICE with variadic capture.
2567 PR c++/82249
2568 * pt.c (tsubst_pack_expansion): When optimizing a simple
2569 substitution, pull a single pack expansion out of its pack.
2571 PR c++/82514 - ICE with local class in generic lambda.
2572 * pt.c (regenerated_lambda_fn_p): Remove.
2573 (enclosing_instantiation_of): Don't use it.
2574 (tsubst_function_decl): Call enclosing_instantiation_of.
2576 * pt.c (lookup_template_class_1): Add sanity check.
2577 * name-lookup.c (do_pushtag): Don't add closures to local_classes.
2579 2018-01-25 Jakub Jelinek <jakub@redhat.com>
2581 PR c++/84031
2582 * decl.c (find_decomp_class_base): Ignore unnamed bitfields. Ignore
2583 recursive calls that return ret.
2584 (cp_finish_decomp): Ignore unnamed bitfields.
2586 2018-01-23 Jason Merrill <jason@redhat.com>
2588 PR c++/82249 - wrong mismatched pack length error.
2589 * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
2590 unsubstituted function parameter pack.
2592 2018-01-23 Paolo Carlini <paolo.carlini@oracle.com>
2594 PR c++/83921
2595 * decl.c (check_for_uninitialized_const_var): Not static; add
2596 bool and tsubst_flags_t parameters; adjust to be used both in
2597 constexpr context and not.
2598 * constexpr.c (potential_constant_expression_1): Use the above.
2599 * cp-tree.h (check_for_uninitialized_const_var): Declare.
2601 2018-01-23 Jason Merrill <jason@redhat.com>
2603 PR c++/83947 - ICE with auto declarations.
2604 * pt.c (do_auto_deduction): Don't deduce from an auto decl.
2605 * decl.c (undeduced_auto_decl): Limit to vars and fns.
2607 2018-01-23 David Malcolm <dmalcolm@redhat.com>
2609 PR c++/83974
2610 * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
2611 for pointer to member function types.
2613 2018-01-23 Jakub Jelinek <jakub@redhat.com>
2615 PR sanitizer/83987
2616 * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
2617 DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
2619 2018-01-23 Nathan Sidwell <nathan@acm.org>
2621 PR c++/83988
2622 * pt.c (tsubst_baselink): Remove optype assert.
2623 * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
2625 2018-01-23 Jakub Jelinek <jakub@redhat.com>
2627 PR c++/83958
2628 * decl.c (cp_finish_decomp): Diagnose if reference structure binding
2629 refers to incomplete type.
2631 2018-01-23 Nathan Sidwell <nathan@acm.org>
2633 Deprecate ARM-era for scope handling
2634 * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
2635 (cxx_init_decl_processing): Deprecate flag_new_for_scope being
2636 cleared.
2637 * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
2638 cleanup handling.
2639 * semantics.c (begin_for_scope): Flag_new_for_scope is
2640 boolean-like.
2641 (finish_for_stmt, begin_range_for_stmt): Likewise.
2643 2018-01-22 Jason Merrill <jason@redhat.com>
2645 PR c++/83720
2646 * decl2.c (determine_visibility): Fix template_decl handling
2647 instead of blocking it.
2649 PR c++/83720 - ICE with lambda and LTO.
2650 * decl2.c (determine_visibility): Clear template_decl for
2651 function-scope decls. Propagate anonymous linkage from containing
2652 function.
2654 2018-01-22 Marek Polacek <polacek@redhat.com>
2656 PR c++/81933
2657 * typeck2.c (split_nonconstant_init_1): Return false if we didn't
2658 split out anything.
2660 2018-01-22 Ville Voutilainen <ville.voutilainen@gmail.com>
2662 PR c++/83895
2663 * decl.c (grokdeclarator): Don't diagnose extra parens
2664 on typedefs.
2666 2018-01-19 Jakub Jelinek <jakub@redhat.com>
2668 PR c++/81167
2669 * call.c (joust): Use TREE_TYPE (source) if source is
2670 a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
2672 PR c++/83919
2673 * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
2674 for direct enum init.
2675 * decl.c (reshape_init): Likewise.
2677 2018-01-19 Marek Polacek <polacek@redhat.com>
2679 * constexpr.c (fold_simple): Simplify.
2681 2018-01-18 Jason Merrill <jason@redhat.com>
2683 PR c++/83714
2684 * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
2685 * pt.c (instantiation_dependent_scope_ref_p): True if
2686 any_dependent_bases_p.
2688 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
2690 * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
2691 vs DECL_NONTRIVIALLY_INITIALIZED_P).
2693 2018-01-18 Jason Merrill <jason@redhat.com>
2695 PR c++/82461 - constexpr list-initialized member
2696 * constexpr.c (potential_constant_expression_1): Check
2697 TARGET_EXPR_DIRECT_INIT_P.
2699 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
2701 PR c++/81013
2702 * decl.c (xref_basetypes): Early return upon error about derived
2703 union.
2705 2018-01-18 Nathan Sidwell <nathan@acm.org>
2707 PR c++/83160
2708 * cp-tree.h (mark_use): Declare.
2709 * expr.c (mark_use): Make extern.
2710 * call.c (direct_reference_binding): Set inner conv's
2711 rvaluedness_matches_p, if it is an identity.
2712 (convert_like_real): Mark lvalue or rvalue use for identity as
2713 rvaledness_matches_p demands.
2715 2018-01-18 Jakub Jelinek <jakub@redhat.com>
2717 PR c++/83824
2718 * parser.c (attr_chainon): New function.
2719 (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
2720 cp_parser_namespace_definition, cp_parser_init_declarator,
2721 cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
2722 cp_parser_gnu_attributes_opt): Use it.
2723 (cp_parser_member_declaration, cp_parser_objc_class_ivars,
2724 cp_parser_objc_struct_declaration): Likewise. Don't reset
2725 prefix_attributes if attributes is error_mark_node.
2727 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
2729 PR c++/78344
2730 * decl.c (grokdeclarator): Do not append the error_mark_node
2731 due to an erroneous optional attribute-specifier-seq.
2733 2018-01-17 Jakub Jelinek <jakub@redhat.com>
2735 PR c++/83897
2736 * cp-gimplify.c (cp_maybe_instrument_return): Handle
2737 CLEANUP_POINT_EXPR.
2739 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
2741 PR c++/81054
2742 * constexpr.c (ensure_literal_type_for_constexpr_object): Return
2743 error_mark_node when we give an error.
2744 * decl.c (cp_finish_decl): Use the latter.
2746 2018-01-17 Nathan Sidwell <nathan@acm.org>
2748 PR c++/83287
2749 * init.c (build_raw_new_expr): Scan list for lookups to keep.
2751 2018-01-17 David Malcolm <dmalcolm@redhat.com>
2753 PR c++/83814
2754 * expr.c (fold_for_warn): Move from c-common.c, reducing to just
2755 the C++ part. If processing a template, call
2756 fold_non_dependent_expr rather than fully folding.
2758 2018-01-17 Jason Merrill <jason@redhat.com>
2760 PR c++/81067 - redundant NULL warning.
2761 * call.c (convert_like_real): Restore null_node handling.
2763 2018-01-17 Jason Merrill <jason@redhat.com>
2765 PR c++/81843 - ICE with variadic member template.
2766 PR c++/72801
2767 * pt.c (unify_pack_expansion): Don't try to deduce enclosing
2768 template args.
2770 2018-01-17 David Malcolm <dmalcolm@redhat.com>
2772 PR c++/83799
2773 * pt.c (type_dependent_expression_p): Strip any location wrapper
2774 before testing tree codes.
2775 (selftest::test_type_dependent_expression_p): New function.
2776 (selftest::cp_pt_c_tests): Call it.
2778 2018-01-17 Nathan Sidwell <nathan@acm.org>
2780 PR c++/83739
2781 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
2782 this not a final instantiation.
2784 2018-01-16 Jason Merrill <jason@redhat.com>
2786 PR c++/83714 - ICE checking return in template.
2787 * typeck.c (check_return_expr): Call build_non_dependent_expr.
2789 2018-01-16 Jakub Jelinek <jakub@redhat.com>
2791 PR c++/83817
2792 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
2793 is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
2794 instead of CALL_FROM_THUNK_P.
2796 PR c++/83825
2797 * name-lookup.c (member_vec_dedup): Return early if len is 0.
2798 (resort_type_member_vec, set_class_bindings,
2799 insert_late_enum_def_bindings): Use vec qsort method instead of
2800 calling qsort directly.
2802 2018-01-15 Martin Sebor <msebor@redhat.com>
2804 PR c++/83588
2805 * class.c (find_flexarrays): Make a record of multiple flexible array
2806 members.
2808 2018-01-12 Jason Merrill <jason@redhat.com>
2810 PR c++/83186 - ICE with static_cast of list-initialized temporary.
2811 * typeck.c (build_static_cast): Use build_non_dependent_expr.
2813 2018-01-12 Nathan Sidwell <nathan@acm.org>
2815 * cp-tree.h (mark_rvalue_use): Add parm name.
2816 * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
2817 mark_rvalue_use.
2818 * call.c (convert_like_real): Fix formatting.
2820 2018-01-11 Jason Merrill <jason@redhat.com>
2822 PR c++/82728 - wrong -Wunused-but-set-variable
2823 PR c++/82799
2824 PR c++/83690
2825 * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
2826 * decl.c (case_conversion): Likewise.
2827 * semantics.c (finish_static_assert): Call
2828 perform_implicit_conversion_flags.
2830 2018-01-11 Nathan Sidwell <nathan@acm.org>
2832 * method.c (enum mangling_flags): Delete long-dead enum.
2834 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
2836 * parser.c (cp_parser_std_attribute_spec): When
2837 token_pair::require_open / require_close return false simply
2838 return error_mark_node, avoid duplicate cp_parser_error about
2839 expected '(' / ')', respectively.
2841 2018-01-10 David Malcolm <dmalcolm@redhat.com>
2843 PR c++/43486
2844 * call.c (null_ptr_cst_p): Strip location wrappers when
2845 converting from '0' to a pointer type in C++11 onwards.
2846 (conversion_null_warnings): Replace comparison with null_node with
2847 call to null_node_p.
2848 (build_over_call): Likewise.
2849 * cp-gimplify.c (cp_fold): Remove the early bailout when
2850 processing_template_decl.
2851 * cp-lang.c (selftest::run_cp_tests): Call
2852 selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
2853 * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
2854 (selftest::run_cp_tests): Move decl to bottom of file.
2855 (null_node_p): New inline function.
2856 (selftest::cp_pt_c_tests): New decl.
2857 (selftest::cp_tree_c_tests): New decl.
2858 * cvt.c (build_expr_type_conversion): Replace comparison with
2859 null_node with call to null_node_p.
2860 * error.c (args_to_string): Likewise.
2861 * except.c (build_throw): Likewise.
2862 * mangle.c (write_expression): Skip location wrapper nodes.
2863 * parser.c (literal_integer_zerop): New function.
2864 (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
2865 the result for RID_TYPEID. Pass true for new "wrap_locations_p"
2866 param of cp_parser_parenthesized_expression_list. When calling
2867 warn_for_memset, replace integer_zerop calls with
2868 literal_integer_zerop, eliminating the double logical negation
2869 cast to bool. Eliminate the special-casing for CONST_DECL in
2870 favor of the fold_for_warn within warn_for_memset.
2871 (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
2872 param, defaulting to false. Convert "expr" to a cp_expr, and call
2873 maybe_add_location_wrapper on it when wrap_locations_p is true.
2874 (cp_parser_unary_expression): Call maybe_add_location_wrapper on
2875 the result for RID_ALIGNOF and RID_SIZEOF.
2876 (cp_parser_builtin_offsetof): Likewise.
2877 * pt.c: Include "selftest.h".
2878 (tsubst_copy): Handle location wrappers.
2879 (tsubst_copy_and_build): Likewise.
2880 (build_non_dependent_expr): Likewise.
2881 (selftest::test_build_non_dependent_expr): New function.
2882 (selftest::cp_pt_c_tests): New function.
2883 * tree.c: Include "selftest.h".
2884 (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
2885 (selftest::test_lvalue_kind): New function.
2886 (selftest::cp_tree_c_tests): New function.
2887 * typeck.c (string_conv_p): Strip any location wrapper from "exp".
2888 (cp_build_binary_op): Replace comparison with null_node with call
2889 to null_node_p.
2890 (build_address): Use location of operand when building address
2891 expression.
2893 2018-01-10 Marek Polacek <polacek@redhat.com>
2895 PR c++/82541
2896 * call.c (build_conditional_expr_1): Check complain before warning.
2897 * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
2898 -Wduplicated-branches.
2900 2018-01-10 Jakub Jelinek <jakub@redhat.com>
2902 PR c++/81327
2903 * call.c (maybe_warn_class_memaccess): Add forward declaration.
2904 Change last argument from tree * to const vec<tree, va_gc> *, adjust
2905 args uses and check number of operands too. Don't strip away any
2906 nops. Use maybe_constant_value when looking for INTEGER_CST args.
2907 Deal with src argument not having pointer type. Check
2908 tree_fits_uhwi_p before calling tree_to_uhwi. Remove useless
2909 test.
2910 (build_over_call): Call maybe_warn_class_memaccess here on the
2911 original arguments.
2912 (build_cxx_call): Rather than here on converted arguments.
2914 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
2916 PR c++/81055
2917 * init.c (build_vec_init): Avoid building an INIT_EXPR with
2918 error_mark_node as second argument.
2920 2018-01-09 Jakub Jelinek <jakub@redhat.com>
2922 PR c++/83734
2923 * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
2924 in STATEMENT_LIST. Remove unneeded assert.
2926 2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
2927 Alan Hayward <alan.hayward@arm.com>
2928 David Sherwood <david.sherwood@arm.com>
2930 * constexpr.c (cxx_eval_array_reference): Handle polynomial
2931 VECTOR_CST_NELTS.
2932 (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
2933 * call.c (build_conditional_expr_1): Likewise.
2934 * decl.c (cp_finish_decomp): Likewise.
2935 * mangle.c (write_type): Likewise.
2936 * typeck.c (structural_comptypes): Likewise.
2937 (cp_build_binary_op): Likewise.
2938 * typeck2.c (process_init_constructor_array): Likewise.
2940 2018-01-03 Jakub Jelinek <jakub@redhat.com>
2942 PR c++/83555
2943 * typeck.c (build_static_cast_1): For static casts to reference types,
2944 call build_base_path with flag_delete_null_pointer_checks as nonnull
2945 instead of always false. When -fsanitize=null, call
2946 ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
2947 * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
2948 call if the first argument is INTEGER_CST with REFERENCE_TYPE.
2950 2018-01-03 Nathan Sidwell <nathan@acm.org>
2952 PR c++/83667
2953 * method.c (make_alias_for): Copy DECL_CONTEXT.
2955 2018-01-03 Marek Polacek <polacek@redhat.com>
2957 PR c++/83592
2958 * decl.c (grokdeclarator): Don't warn about MVP in typename context.
2960 2018-01-03 Jakub Jelinek <jakub@redhat.com>
2962 PR preprocessor/83602
2963 * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
2964 for builtin macros.
2966 PR c++/83634
2967 * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
2968 error_mark_node, return error_mark_node.
2970 Update copyright years.
2972 2018-01-02 Jakub Jelinek <jakub@redhat.com>
2974 PR c++/83556
2975 * tree.c (replace_placeholders_r): Pass NULL as last argument to
2976 cp_walk_tree instead of d->pset. If non-TREE_CONSTANT and
2977 non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
2978 to false and return.
2979 (replace_placeholders): Pass NULL instead of &pset as last argument
2980 to cp_walk_tree.
2982 2018-01-02 Nathan Sidwell <nathan@acm.org>
2984 * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
2985 lval var.
2986 \f
2987 Copyright (C) 2018 Free Software Foundation, Inc.
2989 Copying and distribution of this file, with or without modification,
2990 are permitted in any medium without royalty provided the copyright
2991 notice and this notice are preserved.