| blob | 7c903c553378033fc368800bbd470b39f64a9e42 |
1 2018-06-18 Jason Merrill <jason@redhat.com>
3 * tree.c (cp_expr_location): New.
4 * cp-tree.h (cp_expr_loc_or_loc): New.
5 * call.c, cvt.c, constexpr.c, constraint.cc, cp-gimplify.c, decl.c,
6 error.c, init.c, lex.c, parser.c, pt.c, semantics.c, typeck.c,
7 typeck2.c: Use it instead of EXPR_LOC_OR_LOC.
9 * parser.c (cp_parser_lambda_expression): Use a range for
10 LAMBDA_EXPR_LOCATION.
12 PR c++/86200 - ICE with unexpanded pack in lambda parameter.
13 * pt.c (find_parameter_packs_r) [LAMBDA_EXPR]: Also look into the
14 function type.
16 PR c++/81060 - ICE with unexpanded parameter pack.
17 * pt.c (check_for_bare_parameter_packs): Add loc parameter.
18 * decl.c (grokdeclarator): Call it for qualifying_scope.
20 PR c++/86171 - ICE with recursive alias instantiation.
21 * pt.c (tsubst_decl): Handle recursive alias instantiation.
23 2018-06-18 Paolo Carlini <paolo.carlini@oracle.com>
25 * decl.c (duplicate_decls): Consistently use DECL_SOURCE_LOCATION
26 in errors about redefined default arguments; tidy.
28 2018-06-16 Kugan Vivekanandarajah <kuganv@linaro.org>
30 * constexpr.c (potential_constant_expression_1): Handle ABSU_EXPR.
31 * cp-gimplify.c (cp_fold): Likewise.
33 2018-06-15 Jason Merrill <jason@redhat.com>
35 PR c++/86147 - wrong capture for template argument.
36 * expr.c (mark_use): Look through NOP_EXPR.
38 * name-lookup.c (do_pushtag): Don't look through complete types, but
39 don't add to them either. Get context from current_binding_level.
40 * pt.c (tsubst_default_argument): Use push_to/pop_from_top_level.
42 * decl.c (start_enum): Do compare dependent underlying type.
44 PR c++/82882 - ICE with lambda in template default argument.
45 * lambda.c (record_null_lambda_scope): New.
46 * pt.c (tsubst_lambda_expr): Use it.
47 * name-lookup.c (do_pushtag): Don't give a lambda DECL_CONTEXT of a
48 function that isn't open.
50 * tree.c (maybe_warn_parm_abi): Inform the location of the class.
52 2018-06-14 Marek Polacek <polacek@redhat.com>
54 PR c++/86063
55 * decl2.c (cp_check_const_attributes): Skip trees that are not
56 TREE_LISTs.
58 2018-06-14 Jakub Jelinek <jakub@redhat.com>
60 P0624R2 - Default constructible and assignable stateless lambdas
61 * method.c (synthesized_method_walk): For C++2a don't mark
62 sfk_constructor or sfk_copy_assignment as deleted if lambda has
63 no lambda-captures.
65 2018-06-14 Paolo Carlini <paolo.carlini@oracle.com>
67 * decl.c (duplicate_decls): Use DECL_SOURCE_LOCATION in
68 OPT_Wshadow warning_at.
69 (grokfndecl): Consistently use the location_t argument in
70 literal operator diagnostic messages.
71 (grokdeclarator): Use declspecs->locations[ds_storage_class]
72 in error_at call.
73 * decl2.c (finish_static_data_member_decl): Use DECL_SOURCE_LOCATION
74 in permerror call.
76 2018-06-13 Jason Merrill <jason@redhat.com>
78 PR c++/86099 - ICE with trivial copy and non-trivial default ctor.
79 * constexpr.c (instantiate_cx_fn_r): Don't synthesize trivial
80 constructors.
82 PR c++/86094 - wrong code with defaulted move ctor.
83 * class.c (classtype_has_non_deleted_move_ctor): New.
84 * tree.c (maybe_warn_parm_abi, type_has_nontrivial_copy_init):
85 Handle v12 breakage.
87 2018-06-12 Jason Merrill <jason@redhat.com>
89 PR c++/86098 - ICE with template placeholder for TTP.
90 * typeck.c (structural_comptypes) [TEMPLATE_TYPE_PARM]: Check
91 CLASS_PLACEHOLDER_TEMPLATE.
93 2018-06-12 Paolo Carlini <paolo.carlini@oracle.com>
95 * decl2.c (coerce_new_type, coerce_delete_type): Add location_t
96 parameter and adjust error_at calls.
97 * decl.c (grok_op_properties): Adjust calls.
98 * cp-tree.h (oerce_new_type, coerce_delete_type): Adjust decls.
100 2018-06-12 Marek Polacek <polacek@redhat.com>
102 Core issue 1331 - const mismatch with defaulted copy constructor
103 * class.c (check_bases_and_members): When checking a defaulted
104 function, mark it as deleted rather than giving an error.
106 2018-06-11 Jason Merrill <jason@redhat.com>
108 PR c++/85792 -Wctor-dtor-privacy and inherited constructor.
109 * class.c (maybe_warn_about_overly_private_class): Handle inherited
110 constructors.
112 PR c++/85963 - -Wunused-but-set with ?: in template.
113 * pt.c (tsubst_copy_and_build) [COND_EXPR]: Call mark_rvalue_use.
115 2018-06-11 Paolo Carlini <paolo.carlini@oracle.com>
117 * decl.c (grok_op_properties): Consistently use the location
118 of the decl; remove special casing of POSTINCREMENT_EXPR and
119 POSTDECREMENT_EXPR wrt default arguments.
121 2018-06-05 Jason Merrill <jason@redhat.com>
123 * constexpr.c (cxx_eval_binary_expression): Special case comparison
124 of pointers to members of the same union.
126 2018-06-11 Jason Merrill <jason@redhat.com>
128 PR c++/86094 - wrong code with defaulted move ctor.
129 * tree.c (type_has_nontrivial_copy_init): Fix move ctor handling.
131 2018-06-10 Paolo Carlini <paolo.carlini@oracle.com>
133 * decl.c (grokfndecl): Use the location_t argument in two more places.
135 2018-06-06 Marek Polacek <polacek@redhat.com>
137 PR c++/85977
138 * pt.c (unify): If ELTTYPE has no deducible template parms, skip
139 deduction from the list elements.
140 (type_unification_real): Check convertibility of list elements.
142 2018-06-06 Jason Merrill <jason@redhat.com>
144 PR c++/86060 - ICE on range for with -std=c++98.
145 * parser.c (cp_parser_init_statement): Don't clobber *decl after
146 pedwarn.
148 PR c++/85710 - ICE with -Wmemset-elt-size.
149 * semantics.c (finish_call_expr): Call warn_for_memset here.
150 * parser.c (cp_parser_postfix_expression): Not here.
151 (literal_integer_zerop): No longer static.
152 * pt.c (build_non_dependent_expr): Don't wrap CONST_DECL.
154 2018-06-05 Marek Polacek <polacek@redhat.com>
156 PR c++/85976
157 * tree.c (cp_tree_equal): Handle USING_DECL.
159 2018-06-05 Jason Merrill <jason@redhat.com>
161 PR c++/85731 - wrong error with qualified-id in template.
162 * semantics.c (finish_qualified_id_expr): build_qualified_name
163 for unbound names in the current class.
165 2018-06-04 Jason Merrill <jason@redhat.com>
167 PR c++/61806 - missed SFINAE with partial specialization.
168 * cp-tree.h (deferring_access_check_sentinel): Add deferring_kind
169 parameter to constructor.
170 * pt.c (instantiate_class_template_1): Enable access checking
171 before call to most_specialized_partial_spec.
173 PR c++/85765 - SFINAE and non-type default template arg.
174 * pt.c (type_unification_real): Do full semantic processing if
175 substituting a partial args list replaces all template parms.
177 2018-06-03 Jason Merrill <jason@redhat.com>
179 PR c++/85739 - ICE with pointer to member template parm.
180 * cvt.c (perform_qualification_conversions): Use cp_fold_convert.
182 2018-06-02 Jason Merrill <jason@redhat.com>
184 PR c++/85761 - ICE with ill-formed use of const outer variable.
185 * expr.c (mark_use): Handle location wrappers.
187 2018-06-01 Jason Merrill <jason@redhat.com>
189 PR c++/85764 - bogus 'this' not captured error.
190 * lambda.c (resolvable_dummy_lambda): Use nonlambda_method_basetype.
191 (nonlambda_method_basetype): Handle NSDMI.
193 CWG 1581: When are constexpr member functions defined?
194 * constexpr.c (instantiate_cx_fn_r, instantiate_constexpr_fns): New.
195 (cxx_eval_outermost_constant_expr): Call instantiate_constexpr_fns.
197 PR c++/58281 - explicit instantiation of constexpr
198 * pt.c (mark_decl_instantiated): Clear DECL_EXTERNAL.
200 * pt.c (instantiate_decl): Any defaulted function is defined.
202 2018-05-30 Jonathan Wakely <jwakely@redhat.com>
204 PR c++/77777
205 * call.c (resolve_args): Use location of expression, not current input
206 location.
208 2018-05-30 Ville Voutilainen <ville.voutilainen@gmail.com>
210 Do not warn about zero-as-null when NULL is used.
211 * call.c (conversion_null_warnings): Check for pointer
212 types converted from zero constants.
213 (convert_like_real): Add a warning sentinel at the end.
214 * tree.c (maybe_warn_zero_as_null_pointer_constant): Also
215 check null_node_p.
217 2018-05-30 Jason Merrill <jason@redhat.com>
219 PR c++/85807 - ICE with call in template NSDMI.
220 * init.c (get_nsdmi): Use push_to/pop_from_top_level.
221 * tree.c (bot_manip): Don't set_flags_from_callee in a template.
223 PR c++/85873 - constant initializer_list array not in .rodata.
224 * tree.c (build_target_expr): Set TREE_READONLY.
225 * call.c (set_up_extended_ref_temp): Set TREE_READONLY.
227 * parser.c (cp_parser_check_condition_declarator): Handle
228 cp_error_declarator.
230 2018-05-30 Jonathan Wakely <jwakely@redhat.com>
232 * typeck.c (cxx_sizeof_or_alignof_type): Return size_one_node instead
233 of using it in dead store.
235 2018-05-29 Jason Merrill <jason@redhat.com>
237 PR c++/67445 - returning temporary initializer_list.
238 PR c++/67711 - assigning from temporary initializer_list.
239 PR c++/48562 - new initializer_list.
240 * typeck.c (maybe_warn_about_returning_address_of_local): Also warn
241 about returning local initializer_list.
242 * cp-tree.h (AUTO_TEMP_NAME, TEMP_NAME_P): Remove.
243 * call.c (build_over_call): Warn about assignment from temporary
244 init_list.
245 * init.c (build_new_1): Warn about 'new std::initializer_list'.
246 (find_list_begin, maybe_warn_list_ctor): New.
247 (perform_member_init): Use maybe_warn_list_ctor.
249 2018-05-29 Marek Polacek <polacek@redhat.com>
251 PR c++/85883
252 * init.c (build_new): Handle deducing a class with new
253 with more than one argument.
255 2018-05-29 Jakub Jelinek <jakub@redhat.com>
257 PR c++/85952
258 * init.c (build_aggr_init): For structured binding initialized from
259 array call mark_rvalue_use on the initializer.
261 2018-05-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
263 * decl2.c (start_static_storage_duration_function): Use
264 splay_tree_delete_pointers.
266 2018-05-25 Jason Merrill <jason@redhat.com>
268 PR c++/85815 - reference to member of enclosing template.
269 * search.c (lookup_base): Use currently_open_class.
270 (lookup_member): Use it regardless of -fconcepts.
271 * parser.c (cp_parser_postfix_dot_deref_expression): Check it.
273 CWG 616, 1213 - value category of subobject references.
274 * tree.c (lvalue_kind): Fix handling of ARRAY_REF of pointer.
276 2018-05-24 Jason Merrill <jason@redhat.com>
278 PR c++/85842 - -Wreturn-type, constexpr if and generic lambda.
279 * pt.c (tsubst_lambda_expr): Copy current_function_returns_* to
280 generic lambda.
282 2018-05-24 Ville Voutilainen <ville.voutilainen@gmail.com>
284 Pedwarn on a non-standard position of a C++ attribute.
285 * parser.c (cp_parser_namespace_definition): Pedwarn about attributes
286 after the namespace name.
288 2018-05-24 Paolo Carlini <paolo.carlini@oracle.com>
290 * cp-tree.h (INDIRECT_TYPE_P): New.
291 * call.c (build_trivial_dtor_call, maybe_warn_class_memaccess,
292 joust): Use it instead of POINTER_TYPE_P.
293 * class.c (update_vtable_entry_for_fn, find_flexarrays,
294 * fixed_type_or_null, resolves_to_fixed_type_p): Likewise.
295 * constexpr.c (cxx_eval_binary_expression, cxx_fold_indirect_ref,
296 * cxx_eval_increment_expression, potential_constant_expression_1):
297 Likewise.
298 * cp-gimplify.c (cp_gimplify_expr, cp_genericize_r): Likewise.
299 * cp-objcp-common.c (cxx_get_alias_set): Likewise.
300 * cp-ubsan.c (cp_ubsan_maybe_instrument_member_call,
301 cp_ubsan_maybe_instrument_downcast): Likewise.
302 * cvt.c (cp_convert_to_pointer, ocp_convert,
303 cp_get_fndecl_from_callee, maybe_warn_nodiscard, convert): Likewise.
304 * cxx-pretty-print.c (cxx_pretty_printer::abstract_declarator,
305 pp_cxx_offsetof_expression_1): Likewise.
306 * decl.c (grokparms, static_fn_type): Likewise.
307 * decl2.c (grokbitfield): Likewise.
308 * error.c (dump_expr): Likewise.
309 * except.c (initialize_handler_parm, check_noexcept_r): Likewise.
310 * init.c (warn_placement_new_too_small): Likewise.
311 * lambda.c (build_capture_proxy, add_capture): Likewise.
312 * parser.c (cp_parser_omp_for_loop): Likewise.
313 * pt.c (convert_nontype_argument, fn_type_unification,
314 uses_deducible_template_parms, check_cv_quals_for_unify,
315 dependent_type_p_r): Likewise.
316 * search.c (check_final_overrider): Likewise.
317 * semantics.c (handle_omp_array_sections, finish_omp_clauses,
318 finish_omp_for): Likewise.
319 * tree.c (cp_build_qualified_type_real): Likewise.
320 * typeck.c (build_class_member_access_expr,
321 finish_class_member_access_expr, build_x_indirect_ref,
322 cp_build_indirect_ref_1, cp_build_binary_op, build_const_cast_1):
323 Likewise.
325 2018-05-24 Jason Merrill <jason@redhat.com>
327 PR c++/85864 - literal template and default template arg.
328 * pt.c (instantiation_dependent_r): Handle NONTYPE_ARGUMENT_PACK.
330 2018-05-24 Marek Polacek <polacek@redhat.com>
332 PR c++/85847
333 * init.c (build_new_1): Use fold_non_dependent_expr. Use a dedicated
334 variable for its result. Fix a condition.
335 (build_new): Use fold_non_dependent_expr. Tweak a condition.
337 2018-05-23 Jason Merrill <jason@redhat.com>
339 Fix cast to rvalue reference from prvalue.
340 * cvt.c (diagnose_ref_binding): Handle rvalue reference.
341 * rtti.c (build_dynamic_cast_1): Don't try to build a reference to
342 non-class type. Handle xvalue argument.
343 * typeck.c (build_reinterpret_cast_1): Allow cast from prvalue to
344 rvalue reference.
345 * semantics.c (finish_compound_literal): Do direct-initialization,
346 not cast, to initialize a reference.
348 CWG 616, 1213 - value category of subobject references.
349 * tree.c (lvalue_kind): A reference to a subobject of a prvalue is
350 an xvalue.
351 * typeck2.c (build_m_component_ref): Likewise.
352 * typeck.c (cp_build_addr_expr_1, lvalue_or_else): Remove diagnostic
353 distinction between temporary and xvalue.
355 2018-05-23 Marek Polacek <polacek@redhat.com>
357 Implement P0614R1, Range-based for statements with initializer.
358 * parser.c (cp_parser_range_based_for_with_init_p): New.
359 (cp_parser_init_statement): Use it. Parse the optional init-statement
360 for a range-based for loop.
361 (cp_parser_skip_to_closing_parenthesis_1): Handle balancing ?:.
363 2018-05-22 Jason Merrill <jason@redhat.com>
365 PR c++/81420 - not extending temporary lifetime.
366 * call.c (extend_ref_init_temps_1): Handle ARRAY_REF.
367 * class.c (build_base_path): Avoid redundant move of an rvalue.
369 PR c++/85866 - error with .* in default template arg.
370 * pt.c (tsubst_copy_and_build): Handle partial instantiation.
372 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
374 * parser.c (cp_parser_parameter_declaration_list): Remove
375 bool* parameter.
376 (cp_parser_parameter_declaration_clause): Adjust.
377 (cp_parser_cache_defarg): Likewise.
379 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
381 PR c++/84588
382 * parser.c (cp_parser_maybe_commit_to_declaration,
383 cp_parser_check_condition_declarator): New.
384 (cp_parser_simple_declaration): Use the first above.
385 (cp_parser_condition): Use both the above; enforce
386 [stmt.stmt]/2 about the declarator not specifying
387 a function or an array; improve error-recovery.
389 2018-05-20 Jason Merrill <jason@redhat.com>
391 PR libstdc++/85843 - warning in logic_error copy constructor.
392 * class.c (type_has_user_nondefault_constructor): Check for a
393 user-provided ctor, not user-declared.
395 2018-05-19 Jason Merrill <jason@redhat.com>
397 * pt.c (tsubst_pack_expansion): Sorry rather than abort
398 on __integer_pack as subexpression of pattern.
400 2018-05-18 Jason Merrill <jason@redhat.com>
402 PR c++/58407 - deprecated implicit copy ops.
403 * call.c (build_over_call): Warn about deprecated trivial fns.
404 * class.c (classtype_has_user_copy_or_dtor): New.
405 (type_build_ctor_call): Check TREE_DEPRECATED.
406 (type_build_dtor_call): Likewise.
407 * decl2.c (cp_warn_deprecated_use): Move from tree.c.
408 Add checks. Return bool. Handle -Wdeprecated-copy.
409 (mark_used): Use it.
410 * decl.c (grokdeclarator): Remove redundant checks.
411 * typeck2.c (build_functional_cast): Likewise.
412 * method.c (lazily_declare_fn): Mark deprecated copy ops.
413 * init.c (build_aggr_init): Only set TREE_USED if there are
414 side-effects.
416 2018-05-18 Cesar Philippidis <cesar@codesourcery.com>
418 PR c++/85782
419 * cp-gimplify.c (cp_genericize_r): Call genericize_omp_for_stmt for
420 OACC_LOOPs.
422 2018-05-18 Richard Sandiford <richard.sandiford@linaro.org>
424 * constexpr.c (cxx_eval_constant_expression): Remove FMA_EXPR handling.
425 (potential_constant_expression_1): Likewise.
427 2018-05-16 Marek Polacek <polacek@redhat.com>
429 PR c++/85363
430 * call.c (set_flags_from_callee): Handle AGGR_INIT_EXPRs too.
431 * tree.c (bot_manip): Call set_flags_from_callee for
432 AGGR_INIT_EXPRs too.
434 2018-05-15 Jason Merrill <jason@redhat.com>
436 * cp-tree.h (cp_expr): Remove copy constructor.
437 * mangle.c (struct releasing_vec): Declare copy constructor.
439 * constexpr.c (cxx_eval_vec_init_1): Pass tf_none if ctx->quiet.
441 PR c++/64372 - CWG 1560, gratuitous lvalue-rvalue conversion in ?:
442 * call.c (build_conditional_expr_1): Don't force_rvalue when one arm
443 is a throw-expression.
445 2018-05-15 Paolo Carlini <paolo.carlini@oracle.com>
447 * cp-tree.h (DECL_MAYBE_IN_CHARGE_CDTOR_P): New.
448 (FOR_EACH_CLONE): Update.
449 * decl.c (grokdeclarator): Use it.
450 * decl2.c (vague_linkage_p): Likewise.
451 * mangle.c (mangle_decl): Likewise.
452 * method.c (lazily_declare_fn): Likewise.
453 * optimize.c (can_alias_cdtor, maybe_clone_body): Likewise.
454 * repo.c (repo_emit_p): Likewise.
455 * tree.c (decl_linkage): Likewise.
457 2018-05-14 Jason Merrill <jason@redhat.com>
459 Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
460 * tree.c (build_cp_fntype_variant): New.
461 (build_ref_qualified_type, build_exception_variant)
462 (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
463 (cxx_type_hash_eq, cp_check_qualified_type): Check
464 TYPE_HAS_LATE_RETURN_TYPE.
465 (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
466 (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
467 * class.c (build_clone): Use cxx_copy_lang_qualifiers.
468 (adjust_clone_args): Likewise.
469 * decl.c (grokfndecl): Add late_return_type_p parameter. Use
470 build_cp_fntype_variant.
471 (grokdeclarator): Pass late_return_type_p to grokfndecl.
472 (check_function_type): Use cxx_copy_lang_qualifiers.
473 (static_fn_type): Use cxx_copy_lang_qualifiers.
474 * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
475 (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
476 (change_return_type): Use cxx_copy_lang_qualifiers.
477 * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
478 * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
479 return type on the declarator like a normal trailing return type.
480 * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
481 (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
482 * typeck.c (merge_types): Use build_cp_fntype_variant.
484 2018-05-14 Paolo Carlini <paolo.carlini@oracle.com>
486 * cp-tree.h (TYPE_REF_P): New.
487 (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
488 * call.c (build_list_conv, build_aggr_conv, standard_conversion,
489 direct_reference_binding, reference_binding, implicit_conversion,
490 add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
491 build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
492 build_over_call, perform_implicit_conversion_flags,
493 extend_ref_init_temps, type_has_extended_temps): Use it.
494 * class.c (one_inheriting_sig, check_field_decls,
495 check_bases_and_members, find_flexarrays, finish_struct,
496 fixed_type_or_null): Likewise.
497 * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
498 non_const_var_error, cxx_eval_constant_expression,
499 potential_constant_expression_1): Likewise.
500 * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
501 cp_genericize_r, cxx_omp_privatize_by_reference,
502 cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
503 cp_fold_maybe_rvalue): Likewise.
504 * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
505 * cvt.c (build_up_reference, convert_to_reference,
506 convert_from_reference, convert_to_void, noexcept_conv_p,
507 fnptr_conv_p): Likewise.
508 * decl.c (poplevel, check_for_uninitialized_const_var,
509 check_initializer, initialize_local_var, cp_finish_decl,
510 get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
511 move_signature_fn_p, grok_op_properties, finish_function): Likewise.
512 * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
513 decl_maybe_constant_var_p): Likewise.
514 * error.c (dump_type_prefix, dump_expr): Likewise.
515 * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
516 is_admissible_throw_operand_or_catch_parameter): Likewise.
517 * expr.c (mark_use): Likewise.
518 * init.c (build_zero_init_1, build_value_init_noctor,
519 perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
520 build_new, build_delete): Likewise.
521 * lambda.c (build_lambda_object): Likewise.
522 * mangle.c (write_expression, write_template_arg): Likewise.
523 * method.c (forward_parm, do_build_copy_constructor,
524 do_build_copy_assign, build_stub_object, constructible_expr,
525 walk_field_subobs): Likewise.
526 * parser.c (cp_parser_omp_for_loop_init,
527 cp_parser_omp_declare_reduction_exprs,
528 cp_parser_omp_declare_reduction): Likewise.
529 * pt.c (convert_nontype_argument_function, convert_nontype_argument,
530 convert_template_argument, tsubst_pack_expansion,
531 tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
532 maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
533 more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
534 value_dependent_expression_p, build_deduction_guide): Likewise.
535 * semantics.c (finish_handler_parms, finish_non_static_data_member,
536 finish_compound_literal, omp_privatize_field,
537 handle_omp_array_sections_1, handle_omp_array_sections,
538 cp_check_omp_declare_reduction, finish_omp_reduction_clause,
539 finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
540 finish_omp_clauses, finish_decltype_type, capture_decltype,
541 finish_builtin_launder): Likewise.
542 * tree.c (lvalue_kind, cp_build_reference_type, move,
543 cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
544 * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
545 cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
546 cp_build_addr_expr_1, maybe_warn_about_useless_cast,
547 build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
548 build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
549 convert_for_initialization,
550 maybe_warn_about_returning_address_of_local, check_return_expr,
551 cp_type_quals, casts_away_constness, non_reference): Likewise.
552 * typeck2.c (cxx_readonly_error, store_init_value,
553 process_init_constructor_record, build_x_arrow, build_functional_cast,
554 add_exception_specifier): Likewise.
556 2018-05-14 Jason Merrill <jason@redhat.com>
558 * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
559 (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
561 2018-05-11 Jakub Jelinek <jakub@redhat.com>
563 PR c/85696
564 * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
565 * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
566 cxx_omp_predetermined_sharing_1. Rename old function to ...
567 (cxx_omp_predetermined_sharing_1): ... this.
568 * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
569 instead of cxx_omp_predetermined_sharing.
571 2018-05-10 Jason Merrill <jason@redhat.com>
573 * decl.c (cp_finish_decl): Don't instantiate auto variable.
574 (check_static_variable_definition): Allow auto.
575 * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
577 * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
578 (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
580 Core issue 2310 - conversion to base of incomplete type.
581 * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
583 CWG 2267 - list-initialization of reference temporary
584 * call.c (reference_binding): List-initializing a reference
585 temporary is copy-list-initialization.
587 * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
589 * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
590 instantiation in template context.
592 * class.c (vbase_has_user_provided_move_assign): Use
593 user_provided_p.
595 * lambda.c (lambda_expr_this_capture): Improve logic.
597 * decl.c (make_typename_type): s/parameters/arguments/.
598 * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
599 * pt.c (make_pack_expansion): Correct error message.
601 2018-05-10 Jakub Jelinek <jakub@redhat.com>
603 PR c++/85662
604 * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
605 fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
606 fold_convert.
608 2018-05-10 Eric Botcazou <ebotcazou@adacore.com>
610 PR c++/85400
611 * decl2.c (adjust_var_decl_tls_model): New static function.
612 (comdat_linkage): Call it on a variable.
613 (maybe_make_one_only): Likewise.
615 2018-05-09 Paolo Carlini <paolo.carlini@oracle.com>
617 PR c++/85713
618 Revert:
619 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
621 PR c++/84588
622 * parser.c (cp_parser_parameter_declaration_list): When the
623 entire parameter-declaration-list is erroneous maybe call
624 abort_fully_implicit_template.
626 2018-05-08 Jason Merrill <jason@redhat.com>
628 PR c++/85706 - class deduction under decltype
629 * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE. Clear
630 *walk_subtrees whether or not we walked into the operand.
631 (type_uses_auto): Only look at deduced contexts.
633 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
635 PR c++/84588
636 * parser.c (cp_parser_parameter_declaration_list): When the
637 entire parameter-declaration-list is erroneous maybe call
638 abort_fully_implicit_template.
640 2018-05-08 Marek Polacek <polacek@redhat.com>
642 PR c++/85695
643 * semantics.c (finish_if_stmt_cond): See through typedefs.
645 2018-05-07 Jason Merrill <jason@redhat.com>
647 PR c++/85646 - lambda visibility.
648 * decl2.c (determine_visibility): Don't mess with template arguments
649 from the containing scope.
650 (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
651 thunk.
653 2018-05-07 Nathan Sidwell <nathan@acm.org>
655 Remove fno-for-scope
656 * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
657 (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
658 (SET_DECL_SHADOWED_FOR_VAR): Delete.
659 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
660 (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
661 Don't declare.
662 * name-lookup.h (struct cp_binding_level): Remove
663 dead_vars_from_for field.
664 * cp-lang.c (cp_init_ts): Delete.
665 (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
666 * cp-objcp-common.c (shadowed_var_for_decl): Delete.
667 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
668 (init_shadowed_var_for_decl): Delete.
669 * decl.c (poplevel): Remove shadowed for var handling.
670 (cxx_init_decl_processing): Remove -ffor-scope deprecation.
671 * name-lookup.c (find_local_binding): Remove shadowed for var
672 handling.
673 (check_local_shadow): Likewise.
674 (check_for_out_of_scope_variable): Delete.
675 * parser.c (cp_parser_primary_expression): Remove shadowed for var
676 handling.
677 * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
678 * semantics.c (begin_for_scope): Always have a scope.
679 (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
680 (begin_range_for_stmt, finish_id_expression): Likewise.
682 2018-05-07 Jason Merrill <jason@redhat.com>
684 PR c++/85618 - ICE with initialized VLA.
685 * tree.c (vla_type_p): New.
686 * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
687 rather than array_of_runtime_bound_p.
689 2018-05-05 Paolo Carlini <paolo.carlini@oracle.com>
691 * cvt.c (ocp_convert): Early handle the special case of a
692 null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
694 2018-05-03 Jason Merrill <jason@redhat.com>
696 PR c++/85600 - virtual delete failure.
697 * init.c (build_delete): Always save_expr when deleting.
699 2018-05-03 Nathan Sidwell <nathan@acm.org>
701 * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
702 * name-lookup.c (do_pushdecl): Likewise.
704 2018-05-02 Paolo Carlini <paolo.carlini@oracle.com>
705 Jason Merrill <jason@redhat.com>
707 PR c++/68374
708 * name-lookup.c (check_local_shadow): Don't handle static old
709 declarations in the block handling locals shadowing locals.
711 2018-05-01 Jason Merrill <jason@redhat.com>
713 PR c++/85587 - error with scoped enum in template.
714 * semantics.c (finish_qualified_id_expr): Don't return an
715 unqualified IDENTIFIER_NODE.
717 2018-04-30 Jason Merrill <jason@redhat.com>
719 PR c++/85580 - extern "C" and local variables
720 * name-lookup.c (check_extern_c_conflict): Ignore local decls.
722 PR c++/84701 - unsigned typeof.
723 * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
724 of long/short/signed/unsigned.
726 PR c++/85305 - pack in lambda init-capture.
727 * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
728 check_for_bare_parameter_packs in a subexpression.
729 (cp_parser_lambda_introducer): Use it.
731 PR c++/61982 - dead stores to destroyed objects.
732 * call.c (build_trivial_dtor_call): New, assigns a clobber.
733 (build_over_call, build_special_member_call): Use it.
734 * cp-tree.h: Declare it.
735 * init.c (build_delete): Remove trivial path.
737 * init.c (build_dtor_call): Use build_special_member_call.
738 (build_delete): Remove redundant uses of save_addr.
740 * decl.c (build_clobber_this): Use build_clobber.
742 2018-04-27 Jakub Jelinek <jakub@redhat.com>
744 PR c++/85553
745 * init.c (build_zero_init_1): For zero initialization of
746 NULLPTR_TYPE_P type use build_int_cst directly.
748 2018-04-27 David Malcolm <dmalcolm@redhat.com>
750 PR c++/85515
751 * name-lookup.c (consider_binding_level): Skip compiler-generated
752 variables.
753 * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
754 nested if statements into a series of rejection tests. Reject
755 lambda-ignored entities as suggestions.
757 2018-04-27 Jason Merrill <jason@redhat.com>
759 * cvt.c (cp_fold_convert): Use convert_ptrmem.
760 * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
762 2018-04-27 Paolo Carlini <paolo.carlini@oracle.com>
764 PR c++/84691
765 * decl.c (grokdeclarator): Clear friendp upon definition in local
766 class definition error.
768 2018-04-27 Jason Merrill <jason@redhat.com>
770 PR c++/85545 - ICE with noexcept PMF conversion.
771 * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
772 build_ptrmemfunc.
773 * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
774 adjustment.
775 (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
777 2018-04-27 Nathan Sidwell <nathan@acm.org>
779 * typeck.c (convert_ptrmem): Move local var decls to initialization.
781 * cp-tree.h (TEMPLATE_INFO): Fix comments.
782 (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
783 (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
784 (dump, print_other_binding_stacks): Remove declarations.
785 * name-lookup.c (print_other_binding_stack): Make static.
786 * pt.c (build_template_decl): Make static.
788 2018-04-26 Jason Merrill <jason@redhat.com>
790 PR c++/85545 - ICE with noexcept PMF conversion.
791 * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
793 2018-04-25 Nathan Sidwell <nathan@acm.org>
795 PR c++/85437
796 PR c++/49171
797 * cp-tree.h (REINTERPRET_CAST_P): New.
798 * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
799 Reject REINTERPET_CAST_P conversions. Use cplus_expand_constant
800 for non-trivial PTRMEM_CST cases.
801 * typeck.c (build_nop_reinterpret): New.
802 (build_reinterpret_cast_1): Use it. Set REINTERPRET_CAST_P on
803 NOP_EXPRs returned by cp_convert.
805 2018-04-23 Jason Merrill <jason@redhat.com>
807 PR c++/69560 - wrong alignof(double) on x86.
808 CWG 1879 - Inadequate definition of alignment requirement.
809 * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
810 * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
811 (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
812 (cxx_alignof_expr): Pass it.
813 * parser.c (cp_parser_unary_expression): Pass it.
814 * pt.c (tsubst_copy): Copy it.
815 (tsubst_copy_and_build): Pass it.
816 * decl.c (fold_sizeof_expr): Pass it.
818 2018-04-23 Jakub Jelinek <jakub@redhat.com>
819 Jason Merrill <jason@redhat.com>
821 PR c++/85470 - wrong error with static data member.
822 * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
823 * typeck2.c (store_init_value): Likewise.
825 2018-04-20 Jakub Jelinek <jakub@redhat.com>
827 PR c++/85462
828 * cp-tree.h (tinst_level): Remove in_system_header_p member,
829 change refcount member from unsigned char to unsigned short,
830 add refcount_infinity static data member, adjust comments.
831 * pt.c (tinst_level::refcount_infinity): Define.
832 (inc_refcount_use): Remove assert, don't increment if refcount
833 is already refcount_infinity, adjust comment.
834 (dec_refcount_use): Remove assert, don't decrement if refcount
835 is refcount_infinity, adjust comment.
836 (push_tinst_level_loc): Formatting fix.
838 2018-04-19 Paolo Carlini <paolo.carlini@oracle.com>
840 PR c++/84611
841 * pt.c (lookup_template_class_1): Check pushtag return value for
842 error_mark_node.
844 2018-04-19 Alexandre Oliva <aoliva@redhat.com>
846 PR c++/80290
847 * cp-tree.h (tinst_level::free): Fix whitespace.
849 2018-04-18 Paolo Carlini <paolo.carlini@oracle.com>
851 PR c++/84630
852 * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
853 for error_mark_node.
855 2018-04-18 Jakub Jelinek <jakub@redhat.com>
857 PR c++/84463
858 * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
859 tricks from here to ...
860 * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here. Only use it
861 if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
863 2018-04-18 Alexandre Oliva <aoliva@redhat.com>
865 PR c++/80290
866 * cp-tree.h (struct tinst_level): Split decl into tldcl and
867 targs. Add private split_list_p, tree_list_p, and not_list_p
868 inline const predicates; to_list private member function
869 declaration; free public member function declaration; list_p,
870 get_node and maybe_get_node accessors, and refcount data
871 member. Narrow errors to unsigned short.
872 * error.c (print_instantiation_full_context): Use new
873 accessors.
874 (print_instantiation_partial_context_line): Likewise. Drop
875 const from tinst_level-typed parameter.
876 * mangle.c (mangle_decl_string): Likewise.
877 * pt.c (freelist): New template class.
878 (tree_list_freelist_head): New var.
879 (tree_list_freelist): New fn, along with specializations.
880 (tinst_level_freelist_head): New var.
881 (pending_template_freelist_head): Likewise.
882 (tinst_level_freelist, pending_template_freelist): New fns.
883 (tinst_level::to_list, tinst_level::free): Define.
884 (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
885 (set_refcount_ptr): New template fn.
886 (add_pending_template): Adjust for refcounting, freelists and
887 new accessors.
888 (neglectable_inst_p): Take a NULL d as a non-DECL.
889 (limit_bad_template_recursion): Use new accessors.
890 (push_tinst_level): New overload to create the list.
891 (push_tinst_level_loc): Make it static, split decl into two
892 args, adjust tests and initialization to cope with split
893 lists, use freelist, adjust for refcounting.
894 (push_tinst_level_loc): New wrapper with the old interface.
895 (pop_tinst_level): Adjust for refcounting.
896 (record_last_problematic_instantiation): Likewise.
897 (reopen_tinst_level): Likewise. Use new accessors.
898 (instantiate_alias_template): Adjust for split list.
899 (fn_type_unification): Likewise.
900 (get_partial_spec_bindings): Likewise.
901 (instantiate_pending_templates): Use new accessors. Adjust
902 for refcount. Release pending_template to freelist.
903 (instantiating_current_function_p): Use new accessors.
905 2018-04-16 Alexandre Oliva <aoliva@redhat.com>
907 PR c++/85039
908 * parser.c (cp_parser_builtin_offset): Reject type definitions.
909 * mangle.c (nested_anon_class_index): Avoid crash returning -1
910 if we've seen errors.
912 2018-04-12 David Malcolm <dmalcolm@redhat.com>
914 PR c++/85385
915 * name-lookup.c (macro_use_before_def::maybe_make): New function,
916 checking that the use is indeed before the definition.
917 (macro_use_before_def::macro_use_before_def): Make private.
918 (macro_use_before_def::~macro_use_before_def): Make private. Move
919 check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
920 (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
921 than using new directly.
923 2018-04-12 Jason Merrill <jason@redhat.com>
925 PR c++/85356 - ICE with pointer to member function.
926 * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
927 flag_noexcept_type. Build the new spec within the function context.
928 * except.c (build_noexcept_spec): Do get constant value in templates
929 if flag_noexcept_type.
930 * decl.c (check_redeclaration_exception_specification): Don't
931 instantiate noexcept on a dependent declaration.
933 2018-04-12 Marek Polacek <polacek@redhat.com>
935 PR c++/85258
936 * constexpr.c (reduced_constant_expression_p): Return false for null
937 trees.
939 2018-04-11 Marek Polacek <polacek@redhat.com>
941 PR c++/85032
942 * constexpr.c (potential_constant_expression_1): Consider conversions
943 from classes to literal types potentially constant.
945 2018-04-10 Paolo Carlini <paolo.carlini@oracle.com>
947 PR c++/70808
948 * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
949 the type like TYPE_PTR_OR_PTRMEM_P.
951 2018-04-10 Jason Merrill <jason@redhat.com>
953 PR debug/65821 - wrong location for main().
954 * call.c (clear_location_r, convert_default_arg): Revert.
955 * tree.c (break_out_target_exprs): Add clear_location parm.
956 (struct bot_data): New.
957 (bot_manip): Clear location if requested.
958 * init.c (get_nsdmi): Pass clear_location.
960 2018-04-10 David Malcolm <dmalcolm@redhat.com>
962 PR c++/85110
963 * call.c (get_fndecl_argument_location): Make non-static.
964 * cp-tree.h (get_fndecl_argument_location): New decl.
965 * typeck.c (convert_for_assignment): When complaining due to
966 conversions for an argument, show the location of the parameter
967 within the decl.
969 2018-04-10 Jakub Jelinek <jakub@redhat.com>
971 PR c++/85312 - P0962 cleanup
972 * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
973 diagnostics.
975 2018-04-10 Jason Merrill <jason@redhat.com>
977 PR debug/65821 - wrong location for main().
978 * call.c (clear_location_r): New.
979 (convert_default_arg): Use it.
980 * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
982 PR c++/85285 - ICE with flexible array after substitution.
983 * pt.c (instantiate_class_template_1): Check for flexible array in
984 union.
986 2018-04-09 Paolo Carlini <paolo.carlini@oracle.com>
988 PR c++/85227
989 * decl.c (cp_finish_decomp): In a template, if the type is incomplete
990 issue a pedwarn and defer trying to do bindings.
992 2018-04-09 Jason Merrill <jason@redhat.com>
994 PR c++/85279 - dump_expr doesn't understand decltype.
995 * error.c (dump_expr): Handle DECLTYPE_TYPE.
997 PR c++/85262 - ICE with redundant qualification on constructor.
998 * call.c (build_new_method_call_1): Move make_args_non_dependent
999 after A::A() handling.
1001 PR c++/85277 - ICE with invalid offsetof.
1002 * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
1003 Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
1005 PR c++/85264 - ICE with excess template-parameter-list.
1006 * parser.c (cp_parser_check_template_parameters): Add template_id_p
1007 parameter. Don't allow an extra template header if true.
1008 (cp_parser_class_head): Pass template_id_p.
1009 (cp_parser_elaborated_type_specifier): Likewise.
1010 (cp_parser_alias_declaration): Likewise.
1011 (cp_parser_check_declarator_template_parameters): Likewise.
1013 2018-04-09 Jakub Jelinek <jakub@redhat.com>
1015 PR c++/85194
1016 * parser.c (cp_parser_simple_declaration): For structured bindings,
1017 if *maybe_range_for_decl is NULL after parsing it, set it to
1018 error_mark_node.
1020 2018-04-09 Jason Merrill <jason@redhat.com>
1022 PR c++/85256 - ICE capturing pointer to VLA.
1023 * lambda.c (add_capture): Distinguish between variable-size and
1024 variably-modified types.
1026 2018-04-06 Jason Merrill <jason@redhat.com>
1028 PR c++/85214 - ICE with alias, generic lambda, constexpr if.
1029 * pt.c (extract_locals_r): Remember local typedefs.
1031 2018-04-06 David Malcolm <dmalcolm@redhat.com>
1033 PR c++/84269
1034 * name-lookup.c (struct std_name_hint): Move out of
1035 get_std_name_hint; add field "min_dialect".
1036 (get_std_name_hint): Add min_dialect values to all initializers.
1037 Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
1038 <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
1039 <shared_mutex>, <string_view>, <thread>, and <variant>.
1040 Add fstream, ifstream, and ofstream to <fstream>.
1041 Add istringstream, ostringstream, and stringstream to <sstream>.
1042 Add basic_string to <string>.
1043 Add tuple_element and tuple_size to <tuple>.
1044 Add declval to <utility>.
1045 Fix ordering of <queue> and <tuple>.
1046 Return a std_name_hint, rather than a const char *.
1047 (get_cxx_dialect_name): New function.
1048 (maybe_suggest_missing_std_header): Detect names that aren't yet
1049 available in the current dialect, and instead of suggesting a
1050 missing #include, warn about the dialect.
1052 2018-04-06 Jakub Jelinek <jakub@redhat.com>
1054 PR c++/85210
1055 * pt.c (tsubst_decomp_names): Return error_mark_node and assert
1056 errorcount is set if tsubst doesn't return a VAR_DECL.
1058 2018-04-06 David Malcolm <dmalcolm@redhat.com>
1060 PR c++/85021
1061 * name-lookup.c (using_directives_contain_std_p): New function.
1062 (has_using_namespace_std_directive_p): New function.
1063 (suggest_alternatives_for): Simplify if/else logic using early
1064 returns. If no candidates were found, and there's a
1065 "using namespace std;" directive, call
1066 maybe_suggest_missing_std_header.
1067 (maybe_suggest_missing_header): Split later part of the function
1068 into..
1069 (maybe_suggest_missing_std_header): New.
1071 2018-04-06 Jason Merrill <jason@redhat.com>
1073 PR c++/85242 - ICE with class definition in template parm.
1074 * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
1075 processing_template_parmlist.
1077 PR c++/85240 - LTO ICE with using of undeduced auto fn.
1078 * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
1080 2018-04-05 Jakub Jelinek <jakub@redhat.com>
1082 PR c++/85209
1083 * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
1084 is not prev, if prev == decl.
1086 PR c++/85208
1087 * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
1088 maybe_apply_pragma_weak here...
1089 (cp_maybe_mangle_decomp): ... but call it here instead.
1091 2018-04-05 Jason Merrill <jason@redhat.com>
1093 PR c++/85136 - ICE with designated init in template.
1094 * decl.c (maybe_deduce_size_from_array_init): Handle dependent
1095 designated initializer.
1096 (check_array_designated_initializer): Update ce->index with the
1097 constant value.
1099 PR c++/83808 - ICE with VLA initialization.
1100 * typeck2.c (process_init_constructor_array): Don't require a VLA
1101 initializer to have VLA type.
1103 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
1105 PR c++/80956
1106 * call.c (convert_like_real): Fail gracefully for a broken
1107 std::initializer_list, missing a definition.
1109 * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
1111 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
1113 PR c++/84792
1114 * decl.c (grokdeclarator): Fix diagnostic about typedef name used
1115 as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
1117 2018-04-05 Jason Merrill <jason@redhat.com>
1119 PR c++/82152 - ICE with class deduction and inherited ctor.
1120 * pt.c (do_class_deduction): Ignore inherited ctors.
1122 PR c++/84665 - ICE with array of empty class.
1123 * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
1125 PR c++/85228 - ICE with lambda in enumerator in template.
1126 * pt.c (bt_instantiate_type_proc): Don't assume
1127 CLASSTYPE_TEMPLATE_INFO is non-null.
1129 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
1131 Implement P0969
1132 * decl.c (find_decomp_class_base): Check accessibility instead
1133 of declared access, adjust diagnostic.
1135 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
1137 Implement P0961
1138 * decl.c (get_tuple_decomp_init): Check the templatedness
1139 of a member get.
1141 2018-04-05 Jason Merrill <jason@redhat.com>
1143 PR c++/85200 - ICE with constexpr if in generic lambda.
1144 * pt.c (extract_locals_r): Don't record the local specs of variables
1145 declared within the pattern.
1147 2018-04-05 Alexandre Oliva <aoliva@redhat.com>
1149 PR c++/84979
1150 * pt.c (check_auto_in_tmpl_args): New.
1151 (tsubst_qualified_id): Use it to reject template args
1152 referencing auto for non-type templates.
1153 * parser.c (cp_parser_template_id): Likewise.
1154 * cp-tree.h (check_auto_in_tmpl_args): Declare.
1155 * typeck2.c (build_functional_cast): Report correct location
1156 for invalid use of auto.
1158 2018-04-04 Jason Merrill <jason@redhat.com>
1160 PR c++/85215 - ICE with copy-init from conversion.
1161 * call.c (merge_conversion_sequences): Fix type of direct binding
1162 sequence.
1164 PR c++/84938 - ICE with division by ~-1.
1165 * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
1167 PR c++/84936 - ICE with unexpanded pack in mem-initializer.
1168 * parser.c (cp_parser_mem_initializer_list): Call
1169 check_for_bare_parameter_packs.
1171 2018-04-04 Jakub Jelinek <jakub@redhat.com>
1173 PR inline-asm/85172
1174 * constexpr.c (cxx_eval_builtin_function_call): For calls to
1175 builtin_valid_in_constant_expr_p functions, don't call
1176 cxx_eval_constant_expression if argument is not
1177 potential_constant_expression.
1179 PR c++/85146
1180 * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
1181 argument.
1182 * semantics.c (calculate_bases): Add complain argument. Use
1183 complete_type_or_maybe_complain instead of just complete_type and
1184 return an empty vector if it fails. Move make_tree_vector () call
1185 after early return. Formatting fixes.
1186 (calculate_direct_bases): Likewise. Call release_tree_vector at the
1187 end.
1188 (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
1189 * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
1190 calculate_direct_bases callers, formatting fixes.
1192 2018-04-04 Jason Merrill <jason@redhat.com>
1194 PR c++/85006 - -fconcepts ICE with A<auto...> return type
1195 * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
1197 PR c++/85200 - ICE with constexpr if in generic lambda.
1198 * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
1200 PR c++/84221 - bogus -Wunused with attribute and template.
1201 * decl2.c (is_late_template_attribute): Handle unused and used
1202 normally on non-TYPE_DECL.
1204 PR c++/85135 - ICE with omitted template arguments.
1205 * decl.c (grokdeclarator): Catch deduced class type in trailing
1206 return type.
1208 PR c++/85133 - ICE with missing concept initializer.
1209 * decl.c (cp_finish_decl): If a concept initializer is missing, use
1210 true.
1212 PR c++/85118 - wrong error with generic lambda and std::bind.
1213 * call.c (add_template_conv_candidate): Disable if there are any
1214 call operators.
1216 PR c++/85141 - ICE with compound assignment and static member fn.
1217 * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
1218 compound assignment.
1220 PR c++/85148 - ICE with 'this' in array NSDMI.
1221 * tree.c (replace_placeholders_r): Use handled_component_p.
1223 2018-04-04 Ville Voutilainen <ville.voutilainen@gmail.com>
1225 PR c++/65923
1226 * decl.c (grokfndecl): Handle standard UDL diagnostics here..
1227 * parser.c (cp_parser_unqualified_id): ..not here.
1229 2018-04-04 Alexandre Oliva <aoliva@redhat.com>
1231 PR c++/84943
1232 * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
1233 used.
1234 * decl2.c (mark_used): Return without effects if tf_conv.
1236 2018-04-03 Jason Merrill <jason@redhat.com>
1238 PR c++/85092 - C++17 ICE with unused list constructor.
1239 * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
1240 from a TARGET_EXPR.
1242 PR c++/85113 - ICE with constexpr and __builtin_constant_p.
1243 * constexpr.c (cxx_eval_builtin_function_call): Only defer
1244 __builtin_constant_p if ctx->quiet.
1246 2018-04-03 Paolo Carlini <paolo.carlini@oracle.com>
1248 PR c++/84768
1249 * pt.c (rewrite_template_parm): If the first argument is
1250 error_mark_node return it immediately.
1251 (build_deduction_guide): Check the return value of the
1252 latter for error_mark_node.
1253 (do_class_deduction): Check the return value of the latter.
1255 2018-04-03 Jason Merrill <jason@redhat.com>
1257 * semantics.c (finish_if_stmt_cond): Use
1258 instantiation_dependent_expression_p.
1260 PR c++/85149 - generic lambda and constexpr if.
1261 * pt.c (build_extra_args, add_extra_args): Split from
1262 tsubst_pack_expansion.
1263 (tsubst_expr) [IF_STMT]: Use them.
1264 * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
1266 * typeck.c (merge_types): Limit matching attribute shortcut to
1267 the default case.
1269 2018-04-03 Jakub Jelinek <jakub@redhat.com>
1271 PR c++/85147
1272 * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
1274 PR c++/85140
1275 * name-lookup.c (handle_namespace_attrs): Return early if attributes
1276 is error_mark_node.
1278 PR c++/85134
1279 * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
1280 fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
1281 instead for static data members clear init and set DECL_EXTERNAL.
1283 2018-04-02 Jason Merrill <jason@redhat.com>
1285 PR c++/64095 - auto... parameter pack.
1286 * parser.c (cp_parser_parameter_declaration): Handle turning autos
1287 into packs here.
1288 (cp_parser_parameter_declaration_list): Not here.
1290 2018-03-31 Alexandre Oliva <aoliva@redhat.com>
1292 PR c++/85027
1293 * class.c (instantiate_type): Peel off SAVE_EXPR before
1294 BASELINK.
1296 2018-03-30 Jason Merrill <jason@redhat.com>
1298 * typeck2.c (process_init_constructor_record): Use
1299 init_list_type_node for the CONSTRUCTOR around an anonymous union
1300 designated initializer.
1302 2018-03-30 Jakub Jelinek <jakub@redhat.com>
1304 PR c++/84791
1305 * semantics.c (finish_omp_reduction_clause): If
1306 OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
1307 even if processing_template_decl.
1309 2018-03-29 David Malcolm <dmalcolm@redhat.com>
1311 PR c++/84269
1312 * name-lookup.c (get_std_name_hint): Add names from <memory>,
1313 <tuple>, and <utility>.
1315 2018-03-29 Jason Merrill <jason@redhat.com>
1317 PR c++/85093 - too many template args with pack expansion.
1318 * pt.c (coerce_template_parms): Keep pack expansion args that will
1319 need to be empty.
1321 2018-03-29 Jason Merrill <jason@redhat.com>
1323 * pt.c (build_non_dependent_expr): Propagate expr location.
1325 2018-03-27 Jason Merrill <jason@redhat.com>
1327 PR c++/85060 - wrong-code with call to base member in template.
1328 * search.c (any_dependent_bases_p): Check uses_template_parms
1329 rather than processing_template_decl.
1331 2018-03-29 David Malcolm <dmalcolm@redhat.com>
1333 PR c++/85110
1334 * typeck.c (convert_for_assignment): When complaining due to
1335 conversions for an argument, attempt to use the location of the
1336 argument.
1338 2018-03-28 Paolo Carlini <paolo.carlini@oracle.com>
1340 PR c++/85028
1341 * pt.c (tsubst_default_argument): Early return if the type of the
1342 parameter is erroneous.
1344 2018-03-28 Alexandre Oliva <aoliva@redhat.com>
1346 PR c++/84973
1347 * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
1348 templates.
1350 PR c++/84968
1351 * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
1353 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
1355 PR c++/85067
1356 * method.c (defaulted_late_check): Partially revert r253321 changes,
1357 do not early return upon error.
1359 2018-03-27 Jakub Jelinek <jakub@redhat.com>
1361 PR c++/85077
1362 * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
1363 type call fold to generate VECTOR_CSTs when possible.
1365 PR c++/85076
1366 * tree.c (cp_build_reference_type): If to_type is error_mark_node,
1367 return it right away.
1369 2018-03-27 Volker Reichelt <v.reichelt@netcologne.de>
1371 * search.c (check_final_overrider): Use inform instead of error
1372 for the diagnostics of the overridden functions. Tweak wording.
1374 2018-03-27 Jakub Jelinek <jakub@redhat.com>
1376 PR c++/85068
1377 * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
1378 is NULL. Assert if thunk_binfo is NULL then errorcount is non-zero.
1380 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
1381 Jason Merrill <jason@redhat.com>
1383 PR c++/84632
1384 * init.c (build_aggr_init): When initializing from array,
1385 reject anything but CONSTRUCTORs and TARGET_EXPRs.
1386 (build_vec_init): Handle separately ARRAY_TYPEs.
1388 2018-03-26 Jason Merrill <jason@redhat.com>
1390 PR c++/85062 - ICE with alignas in wrong place.
1391 * decl.c (grokdeclarator): Ignore attributes on type-specifiers
1392 here.
1394 PR c++/85049 - ICE with __integer_pack.
1395 * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
1396 * cp-tree.h (TEMPLATE_PARM_P): New.
1398 2018-03-23 Jason Merrill <jason@redhat.com>
1400 PR c++/78489 - wrong SFINAE behavior.
1402 PR c++/84489
1403 * pt.c (type_unification_real): Don't defer substitution failure.
1405 2018-03-23 Jakub Jelinek <jakub@redhat.com>
1407 PR c++/85015
1408 * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
1409 result.
1411 PR c++/84942
1412 * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
1413 cp_build_unary_op call with gcc_unreachable ().
1415 2018-03-23 Marek Polacek <polacek@redhat.com>
1417 PR c++/85045
1418 * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
1419 Handle EXACT_DIV_EXPR and RDIV_EXPR. Tweak condition.
1420 (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
1422 2018-03-23 Ville Voutilainen <ville.voutilainen@gmail.com>
1424 Implement P0962
1425 * parser.c (cp_parser_perform_range_for_lookup): Change
1426 the condition for deciding whether to use members.
1428 2018-03-23 Marek Polacek <polacek@redhat.com>
1430 PR c++/85033
1431 * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
1433 2018-03-23 Alexandre Oliva <aoliva@redhat.com>
1435 PR c++/71251
1436 * parser.c (cp_parser_alias_declaration): Call
1437 parser_check_template_parameters.
1439 PR c++/84789
1440 * pt.c (resolve_typename_type): Drop assert that stopped
1441 simplification to template-independent types. Add assert to
1442 verify the initial scope is template dependent.
1443 * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
1444 Reparse the id expression as a type-name, not a declarator.
1446 PR c++/84729
1447 * init.c (build_vec_init): Error at parenthesized array init.
1449 PR c++/84610
1450 PR c++/84642
1451 PR c++/84942
1452 * cp-tree.h (temp_override): New template class, generalizing
1453 a cleanup that was only used...
1454 * parser.c (cp_parser_parameter_declaration_clause):
1455 ... here for auto_is_implicit_function_template_parm_p.
1456 (cp_parser_gnu_attributes_opt): Use it here as well.
1457 (cp_parser_std_attribute): Likewise.
1459 2018-03-22 Marek Polacek <polacek@redhat.com>
1461 PR c++/84854
1462 * semantics.c (finish_if_stmt_cond): Check if the type of the condition
1463 is boolean.
1465 2018-03-21 Jason Merrill <jason@redhat.com>
1467 PR c++/81311 - wrong C++17 overload resolution.
1468 * call.c (build_user_type_conversion_1): Remove C++17 code.
1469 (conv_binds_ref_to_prvalue): New.
1470 (build_over_call): Handle C++17 copy elision.
1471 (build_special_member_call): Only do C++17 copy elision here if the
1472 argument is already the right type.
1474 2018-03-21 Alexandre Oliva <aoliva@redhat.com>
1476 PR c++/71965
1477 * init.c (build_vec_init): Silence error, former sorry,
1478 without tf_error.
1480 PR c++/84610
1481 PR c++/84642
1482 * parser.c (abort_fully_implicit_template_p): New.
1483 (cp_parser_skip_to_end_of_statement): Use it.
1484 (cp_parser_skip_to_end_of_block_or_statement): Likewise.
1485 (finish_fully_implicit_template_p): Clear
1486 implicit_template_parms and implicit_template_scope.
1488 2018-03-21 Paolo Carlini <paolo.carlini@oracle.com>
1490 PR c++/84972
1491 * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
1492 error_mark_node when check_array_designated_initializer fails.
1494 2018-03-21 Jakub Jelinek <jakub@redhat.com>
1496 PR c++/84961
1497 * cp-tree.h (genericize_compound_lvalue): Declare.
1498 * typeck.c (genericize_compound_lvalue): New function.
1499 (unary_complex_lvalue, cp_build_modify_expr): Use it.
1500 * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
1501 and PREDECREMENT_EXPR in output and "m" constrained input operands with
1502 COMPOUND_EXPR. Call cxx_mark_addressable on the rightmost
1503 COMPOUND_EXPR operand.
1505 2018-03-21 Nathan Sidwell <nathan@acm.org>
1507 PR c++/85008
1508 * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
1509 * decl2.c (vague_linkage_p): Likewise.
1511 2018-03-21 David Malcolm <dmalcolm@redhat.com>
1513 PR c++/84994
1514 * constexpr.c (constexpr_fn_retval): Make non-"static".
1515 * cp-tree.h (constexpr_fn_retval): New decl.
1516 * search.c (direct_accessor_p): Update leading comment.
1517 (reference_accessor_p): Likewise.
1518 (field_accessor_p): Replace check that function body is a
1519 RETURN_EXPR with a call to constexpr_fn_retval. Fix
1520 indentation of "field_type" decl.
1522 2018-03-21 Nathan Sidwell <nathan@acm.org>
1524 PR c++/84804
1525 * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
1526 complete classes.
1528 2018-03-21 Martin Sebor <msebor@redhat.com>
1530 PR c++/84850
1531 * call.c (first_non_public_field): New template and function.
1532 (first_non_trivial_field): New function.
1533 (maybe_warn_class_memaccess): Call them.
1535 2018-03-21 David Malcolm <dmalcolm@redhat.com>
1537 PR c++/84892
1538 * search.c (field_accessor_p): Use class_of_this_parm rather than
1539 type_of_this_parm, to check that "this" is a "const T *", rather
1540 than a "T *const".
1542 2018-03-21 Nathan Sidwell <nathan@acm.org>
1544 * class.c (finish_struct_anon_r): Refactor, deprecate anything
1545 other than public non-static data members.
1546 * parser.c (cp_parser_init_declarator): Deprecate attributes after
1547 parenthesized initializer.
1549 PR c++/84836
1550 * name-lookup.c (update_binding): Correct logic for local binding
1551 update.
1553 2018-03-21 Marek Polacek <polacek@redhat.com>
1555 PR c++/71638, ICE with NSDMI and reference.
1556 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1557 even when we replace an element.
1559 2018-03-20 Marek Polacek <polacek@redhat.com>
1561 PR c++/84978, ICE with NRVO.
1562 * constexpr.c (cxx_eval_constant_expression): Handle the case when
1563 a RESULT_DECL isn't in the hash map.
1565 2018-03-20 Jason Merrill <jason@redhat.com>
1567 PR c++/84978, ICE with NRVO.
1568 * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
1569 (cp_get_callee_fndecl_nofold): New.
1570 * cp-gimplify.c (cp_genericize_r): Use it instead.
1571 * call.c (check_self_delegation): Likewise.
1573 2018-03-20 Nathan Sidwell <nathan@acm.org>
1575 PR c++/84962
1576 * name-lookup.c (pushdecl_class_level): Push anon-struct's
1577 member_vec, if there is one.
1579 PR c++/84970
1580 * cp-tree.h (lookup_list_keep): Declare.
1581 * tree.c (lookup_list_keep): New, broken out of ...
1582 (build_min): ... here. Call it.
1583 * decl.c (cp_finish_decl): Call lookup_list_keep.
1585 2018-03-19 Jason Merrill <jason@redhat.com>
1587 PR c++/84937 - ICE with class deduction and auto.
1588 * pt.c (rewrite_template_parm): Fix auto handling.
1590 2018-03-19 Marek Polacek <polacek@redhat.com>
1592 PR c++/84925
1593 * pt.c (enclosing_instantiation_of): Check if fn is null.
1595 PR c++/84927
1596 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1597 as we evaluate the elements.
1598 (cxx_eval_constant_expression): Verify constructor's flags
1599 unconditionally.
1601 2018-03-19 Jason Merrill <jason@redhat.com>
1603 PR c++/71834 - template-id with too few arguments.
1604 * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
1606 2018-03-19 Nathan Sidwell <nathan@acm.org>
1608 PR c++/84835
1609 * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
1610 * pt.c (build_template_decl): Propagate language linkage.
1612 PR c++/84812
1613 * name-lookup.c (set_local_extern_decl_linkage): Defend against
1614 ambiguous lookups.
1616 2018-03-16 Jakub Jelinek <jakub@redhat.com>
1618 PR c/84910
1619 * parser.c (cp_parser_lambda_introducer): Remove trailing space from
1620 diagnostics.
1621 * method.c (synthesize_method): Likewise.
1622 * pt.c (convert_nontype_argument): Likewise.
1624 2018-03-16 Jason Merrill <jason@redhat.com>
1626 PR c++/84720 - ICE with rvalue ref non-type argument.
1627 * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
1628 (convert_nontype_argument): Revert earlier change.
1630 PR c++/80227 - SFINAE and negative array size.
1631 * decl.c (compute_array_index_type): Use
1632 build_converted_constant_expr and valid_constant_size_p.
1634 PR c++/84906 - silent wrong code with ambiguous conversion.
1635 * call.c (build_user_type_conversion_1): Set need_temporary_p on
1636 ambiguous conversion.
1637 (convert_like_real): Check it.
1639 PR c++/83937 - wrong C++17 handling of init-list ctor argument.
1640 * call.c (build_special_member_call): Don't convert an init-list
1641 argument directly to the class type.
1643 2018-03-16 Jakub Jelinek <jakub@redhat.com>
1645 PR c++/79937
1646 PR c++/82410
1647 * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
1648 (find_placeholder): Declare.
1649 * tree.c (struct replace_placeholders_t): Add exp member.
1650 (replace_placeholders_r): Don't walk into ctors with
1651 CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
1652 d->exp. Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
1653 (replace_placeholders): Initialize data.exp.
1654 (find_placeholders_r, find_placeholders): New functions.
1655 * typeck2.c (process_init_constructor_record,
1656 process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
1657 if adding NSDMI on which find_placeholder returns true.
1658 * call.c (build_over_call): Don't call replace_placeholders here.
1659 * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
1660 TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
1661 TARGET_EXPR_INITIAL.
1662 (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
1663 ctor.
1665 2018-03-16 Jason Merrill <jason@redhat.com>
1667 PR c++/83911 - ICE with multiversioned constructor.
1668 * cp-gimplify.c (cp_genericize_r): Replace versioned function with
1669 dispatchere here.
1670 * call.c (build_over_call): Not here.
1672 2018-03-16 Jakub Jelinek <jakub@redhat.com>
1674 PR c++/84874
1675 * decl.c (reshape_init_class): Don't assert d->cur->index == field
1676 if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
1678 2018-03-15 Jakub Jelinek <jakub@redhat.com>
1680 PR c++/84222
1681 * cp-tree.h (cp_warn_deprecated_use): Declare.
1682 * tree.c (cp_warn_deprecated_use): New function.
1683 * typeck2.c (build_functional_cast): Use it.
1684 * decl.c (grokparms): Likewise.
1685 (grokdeclarator): Likewise. Temporarily push nested class scope
1686 around grokparms call for out of class member definitions.
1688 2018-03-14 Jason Merrill <jason@redhat.com>
1690 PR c++/84820 - no error for invalid qualified-id.
1691 * parser.c (cp_parser_make_indirect_declarator): Don't wrap
1692 cp_error_declarator.
1694 PR c++/84801 - ICE with unexpanded pack in lambda.
1695 * pt.c (check_for_bare_parameter_packs): Don't return early for a
1696 lambda in non-template context.
1698 PR c++/81236 - auto variable and auto function
1699 * pt.c (tsubst_baselink): Update the type of the BASELINK after
1700 mark_used.
1702 2018-03-14 Jason Merrill <jason@redhat.com>
1704 PR c++/83916 - ICE with template template parameters.
1705 * pt.c (convert_template_argument): Don't substitute into type of
1706 non-type parameter if we don't have enough arg levels.
1707 (unify): Likewise.
1709 2018-03-14 Marek Polacek <polacek@redhat.com>
1711 PR c++/84596
1712 * semantics.c (finish_static_assert): Check
1713 instantiation_dependent_expression_p instead of
1714 {type,value}_dependent_expression_p.
1716 2018-03-13 Paolo Carlini <paolo.carlini@oracle.com>
1717 Jason Merrill <jason@redhat.com>
1719 PR c++/82336 - link error with list-init default argument.
1720 * decl.c (check_default_argument): Unshare an initializer list.
1722 2018-03-13 Jakub Jelinek <jakub@redhat.com>
1724 PR c++/84843
1725 * decl.c (duplicate_decls): For redefinition of built-in, use error
1726 and return error_mark_node. For redeclaration, return error_mark_node
1727 rather than olddecl if !flag_permissive.
1729 2018-03-13 Jason Merrill <jason@redhat.com>
1731 PR c++/82565 - ICE with concepts and generic lambda.
1732 * pt.c (instantiate_decl): Clear fn_context for lambdas.
1734 2018-03-13 Jason Merrill <jason@redhat.com>
1736 PR c++/84720 - ICE with rvalue ref non-type argument.
1737 * pt.c (convert_nontype_argument): Handle rvalue references.
1739 PR c++/84839 - ICE with decltype of parameter pack.
1740 * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
1741 instantiating dummy parms.
1743 * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
1744 parameter even without -Wpedantic.
1746 PR c++/84798 - ICE with auto in abstract function declarator.
1747 * parser.c (cp_parser_parameter_declaration_clause): Check
1748 parser->default_arg_ok_p.
1750 2018-03-13 Jakub Jelinek <jakub@redhat.com>
1752 PR c++/84808
1753 * constexpr.c (find_array_ctor_elt): Don't use elt reference after
1754 first potential CONSTRUCTOR_ELTS reallocation. Convert dindex to
1755 sizetype. Formatting fixes.
1757 2018-03-12 Jason Merrill <jason@redhat.com>
1759 PR c++/84355 - ICE with deduction for member class template.
1760 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
1761 CLASS_PLACEHOLDER_TEMPLATE.
1763 PR c++/84802 - ICE capturing uninstantiated class.
1764 * lambda.c (build_capture_proxy): Call complete_type.
1766 2018-03-09 Jason Merrill <jason@redhat.com>
1768 PR c++/84770 - ICE with typedef and parameter pack.
1769 * pt.c (verify_unstripped_args_1): Split out from
1770 verify_unstripped_args.
1772 PR c++/84785 - ICE with alias template and default targs.
1773 * pt.c (type_unification_real): Set processing_template_decl if
1774 saw_undeduced == 1.
1776 PR c++/84752 - ICE with capture of constexpr array.
1777 * call.c (standard_conversion): Set rvaluedness_matches_p on the
1778 identity conversion under ck_lvalue.
1780 2018-03-09 Jason Merrill <jason@redhat.com>
1781 Paolo Carlini <paolo.carlini@oracle.com>
1783 PR c++/71169
1784 PR c++/71832
1785 * pt.c (any_erroneous_template_args_p): New.
1786 * cp-tree.h (any_erroneous_template_args_p): Declare it.
1787 * parser.c (cp_parser_class_specifier_1): Use it.
1789 2018-03-09 Jason Merrill <jason@redhat.com>
1791 PR c++/84726 - unnecessary capture of constant vars.
1792 * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
1793 (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
1794 * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
1795 * lambda.c (is_constant_capture_proxy)
1796 (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
1797 (prune_lambda_captures): New.
1798 (finish_lambda_function): Call prune_lambda_captures.
1800 2018-03-09 Jason Merrill <jason@redhat.com>
1801 Jakub Jelinek <jakub@redhat.com>
1803 PR c++/84076
1804 * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
1805 build ADDR_EXPR with REFERENCE_TYPE.
1806 (build_over_call): For purposes of check_function_arguments, if
1807 argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
1808 its operand rather than the argument itself.
1810 2018-03-09 Jakub Jelinek <jakub@redhat.com>
1812 PR c++/84724
1813 * decl.c (duplicate_decls): Don't override __* prefixed builtins
1814 except for __[^b]*_chk, instead issue permerror and for -fpermissive
1815 also a note and return olddecl.
1817 2018-03-09 Nathan Sidwell <nathan@acm.org>
1819 PR c++/84733
1820 * name-lookup.c (do_pushdecl_with_scope): Only clear
1821 current_function_decl when pushing a non-class (i.e. namespace)
1822 scope.
1824 2018-03-08 Jason Merrill <jason@redhat.com>
1825 Jakub Jelinek <jakub@redhat.com>
1827 PR c++/80598
1828 * call.c (build_over_call): In templates set TREE_USED (first_fn) when
1829 not calling mark_used for the benefit of -Wunused-function warning.
1831 2018-03-06 Jason Merrill <jason@redhat.com>
1833 * lambda.c (is_capture_proxy_with_ref): Remove.
1834 * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
1836 2018-03-06 Marek Polacek <polacek@redhat.com>
1838 PR c++/84684
1839 * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
1840 arguments.
1842 2018-03-06 Alexandre Oliva <aoliva@redhat.com>
1844 PR c++/84231
1845 * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
1846 only while processing template decls.
1847 * typeck.c (build_x_conditional_expr): Move wrapping of
1848 reference type around type...
1849 * call.c (build_conditional_expr_1): ... here. Rename
1850 is_lvalue to is_glvalue.
1851 * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
1852 INDIRECT_REF of COND_EXPR too.
1854 PR c++/84593
1855 * init.c (build_zero_init_1): Zero-initialize references.
1857 PR c++/84492
1858 * semantics.c (finish_stmt_expr_expr): Reject unresolved
1859 overloads used as stmt expr values.
1861 2018-03-05 Jason Merrill <jason@redhat.com>
1863 PR c++/84708 - ICE with lambda in local class NSDMI.
1864 * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
1865 context.
1867 2018-03-05 Jakub Jelinek <jakub@redhat.com>
1869 PR c++/84684
1870 * constexpr.c (constexpr_call_hasher::equal): Return false if
1871 lhs->hash != rhs->hash. Change return 1 to return true and
1872 return 0 to return false.
1874 2018-03-05 Nathan Sidwell <nathan@acm.org>
1876 PR c++/84702
1877 * pt.c (process_template_arg): Mark lookup_keep on a default arg.
1879 2018-03-05 Marek Polacek <polacek@redhat.com>
1881 PR c++/84707
1882 * decl.c (duplicate_decls): Check DECL_NAME before accessing
1883 UDLIT_OPER_P.
1885 2018-03-05 Nathan Sidwell <nathan@acm.org>
1887 PR c++/84694
1888 * friend.c (do_friend): Restore check for identifier_p inside
1889 TEMPLATE_ID_EXPR.
1891 2018-03-05 Paolo Carlini <paolo.carlini@oracle.com>
1893 PR c++/84618
1894 * parser.c (cp_parser_lambda_introducer): Reject any capture not
1895 involving a VAR_DECL or a PARM_DECL.
1897 2018-03-05 Pádraig Brady <P@draigBrady.com>
1898 Jason Merrill <jason@redhat.com>
1899 Nathan Sidwell <nathan@acm.org>
1901 PR c++/84497
1902 * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
1904 2018-03-03 Jason Merrill <jason@redhat.com>
1906 PR c++/84686 - missing volatile loads.
1907 * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
1909 2018-03-03 Paolo Carlini <paolo.carlini@oracle.com>
1911 PR c++/71464
1912 * optimize.c (maybe_thunk_body): Bail out immediately if either
1913 fns[0] or fns[1] is null.
1915 2018-03-02 Marek Polacek <polacek@redhat.com>
1917 PR c++/84578
1918 * constexpr.c (get_array_or_vector_nelts): New.
1919 (cxx_eval_array_reference): Use it.
1920 (cxx_eval_vec_init_1): Likewise.
1921 (cxx_eval_store_expression): Likewise.
1923 2018-03-02 Jason Merrill <jason@redhat.com>
1925 * semantics.c (force_paren_expr): Remove redundant test.
1927 2018-03-02 Marek Polacek <polacek@redhat.com>
1929 PR c++/84663
1930 * decl.c (cp_complete_array_type): Check error_mark_node.
1932 PR c++/84664
1933 * typeck.c (cp_perform_integral_promotions): Check the result of
1934 mark_rvalue_use.
1936 2018-03-02 Jakub Jelinek <jakub@redhat.com>
1938 PR c++/84662
1939 * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
1940 RETURN instead of return.
1941 <case POINTER_PLUS_EXPR>: Likewise.
1942 <case CONVERT_EXPR>: If op0 is error_mark_node, just return
1943 it instead of wrapping it into CONVERT_EXPR.
1945 2018-03-02 Jason Merrill <jason@redhat.com>
1947 Fix MIPS16 ICE.
1948 * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
1950 2018-03-02 Marek Polacek <polacek@redhat.com>
1952 PR c++/84590
1953 * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
1954 wrapped in VIEW_CONVERT_EXPR.
1956 2018-03-01 Martin Sebor <msebor@redhat.com>
1958 PR c++/84294
1959 * decl.c (check_redeclaration_no_default_args): Merge attributes
1960 specified on redeclarations of the same function template.
1961 Remove dead code.
1963 2018-03-01 Marek Polacek <polacek@redhat.com>
1964 Jason Merrill <jason@redhat.com>
1966 PR c++/84582
1967 * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
1968 a template.
1969 (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
1970 * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
1971 of instantiate_non_dependent_expr.
1972 * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
1974 2018-03-01 Nathan Sidwell <nathan@acm.org>
1976 PR c++/84434
1977 * name-lookup.c (member_vec_dedup): Remove manually peeled
1978 iteration. Ignore dependent ctor inheritance.
1980 2018-03-01 Jason Merrill <jason@redhat.com>
1982 PR c++/71569 - decltype of template.
1983 * parser.c (cp_parser_decltype_expr): Handle missing template args.
1985 2018-03-01 Marek Polacek <polacek@redhat.com>
1987 PR c++/84596
1988 * constexpr.c (require_rvalue_constant_expression): New function.
1989 * cp-tree.h: Declare it.
1990 * semantics.c (finish_static_assert): Use it instead of
1991 require_potential_rvalue_constant_expression.
1993 2018-03-01 Jason Merrill <jason@redhat.com>
1994 Alexandre Oliva <aoliva@redhat.com>
1996 PR c++/71569 - ICE with redundant args on member variable template.
1997 * decl.c (start_decl): Handle partial specialization of member
1998 variable template.
1999 * pt.c (determine_specialization): Allow partial specialization
2000 of member variable template without specializing enclosing class.
2001 (process_partial_specialization): Improve error message.
2003 2018-02-28 Jason Merrill <jason@redhat.com>
2005 PR c++/71784 - ICE with ref-qualifier and explicit specialization.
2006 * pt.c (determine_specialization): Check ref-qualifier.
2008 2018-02-28 Jakub Jelinek <jakub@redhat.com>
2010 PR c++/84609
2011 * parser.c (cp_parser_attributes_opt): Formatting fix.
2012 (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
2013 cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
2014 New functions.
2015 (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
2016 instead of tentative parse to peek over optional attribute tokens
2017 to check for CPP_COLON after them.
2019 PR c++/83871
2020 PR c++/83503
2021 * pt.c (INCLUDE_STRING): Remove define.
2022 (warn_spec_missing_attributes): Use pretty_printer instead of
2023 std::string. Fix up inform call so that the list of attributes
2024 is in %s argument.
2026 2018-02-28 Martin Sebor <msebor@redhat.com>
2028 PR testsuite/84617
2029 * decl.c (duplicate_decls): Fully merge attributes const, pure,
2030 and malloc.
2032 2018-02-28 Nathan Sidwell <nathan@acm.org>
2034 PR c++/84602
2035 * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
2036 * name-lookup.c (fields_linear_search): Look in an anon-aggr
2037 regardless of want_type.
2038 (search_anon_aggr): Just use get_class_binding_direct.
2040 2018-02-28 Jakub Jelinek <jakub@redhat.com>
2042 * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
2043 inform_n.
2045 2018-02-27 Martin Sebor <msebor@redhat.com>
2047 * pt.c: Avoid including <string> directly.
2049 2018-02-27 Martin Sebor <msebor@redhat.com>
2051 PR c++/83871
2052 PR c++/83503
2053 * cp-tree.h (warn_spec_missing_attributes): New function.
2054 ((check_explicit_specialization): Add an argument. Call the above
2055 function.
2056 * decl.c (duplicate_decls): Avoid applying primary function template's
2057 attributes to its explicit specializations.
2058 cp/pt.c (warn_spec_missing_attributes): Define.
2060 2018-02-27 Håkon Sandsmark <hsandsmark@gmail.com>
2062 PR c++/71546 - lambda init-capture with qualified-id.
2063 * parser.c (cp_parser_lambda_introducer): Clear scope after
2064 each lambda capture.
2066 2018-02-27 Nathan Sidwell <nathan@acm.org>
2068 PR c++/84426
2069 * name-lookup.h (get_member_slot): Rename ...
2070 (find_member_slot): ... here.
2071 (add_member_slot): New.
2072 * name-lookup.c (member_vec_linear_search): No need to check for
2073 NULL slot.
2074 (get_member_slot): Rename ...
2075 (find_member_slot): ... here. Don't add slot for incomplete class.
2076 (add_member_slot): New.
2077 * class.c (add_method): Adjust get_member_slot rename. Bail out
2078 if push_class_level_binding fails. Create slot and grok
2079 properties once we're committed to insertion.
2081 2018-02-27 Jason Merrill <jason@redhat.com>
2083 PR c++/84489 - dependent default template argument
2084 * pt.c (type_unification_real): Handle early substitution failure.
2086 2018-02-26 Jason Merrill <jason@redhat.com>
2088 PR c++/84560 - ICE capturing multi-dimensional VLA.
2089 * tree.c (array_of_runtime_bound_p): False if the element is
2090 variably-modified.
2092 PR c++/84441 - ICE with base initialized from ?:
2093 * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
2095 PR c++/84520 - ICE with generic lambda in NSDMI.
2096 * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
2097 'this' in a generic lambda instantiation.
2099 PR c++/84559 - ICE with constexpr VLA.
2100 * constexpr.c (ensure_literal_type_for_constexpr_object): Check
2101 for constexpr variable with VLA type.
2103 2018-02-26 Jakub Jelinek <jakub@redhat.com>
2105 PR c++/84558
2106 * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
2107 a valid constant initializer. Formatting fixes.
2109 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
2111 PR c++/84540
2112 * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
2113 returning NULL_TREE.
2114 (apply_late_template_attributes): Likewise.
2116 2018-02-26 Jakub Jelinek <jakub@redhat.com>
2118 PR c++/84557
2119 * parser.c (cp_parser_omp_var_list_no_open): Only call
2120 cp_parser_lookup_name_simple on names satisfying identifier_p.
2121 (cp_parser_oacc_routine): Likewise.
2123 2018-02-26 Jason Merrill <jason@redhat.com>
2125 PR c++/84551 - ICE with concepts and -g.
2126 * parser.c (add_debug_begin_stmt): Do nothing in a concept.
2128 2018-02-26 Marek Polacek <polacek@redhat.com>
2130 PR c++/84325
2131 * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
2132 non-types.
2134 2018-02-26 Jason Merrill <jason@redhat.com>
2136 PR c++/84447 - ICE with deleted inherited ctor with default arg.
2137 * call.c (build_over_call): Handle deleted functions in one place.
2139 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
2141 PR c++/84533
2142 * decl.c (redeclaration_error_message): Don't try to use
2143 DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
2145 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
2147 * lambda.c (build_capture_proxy): Define static.
2148 * cp-tree.h (build_capture_proxy): Remove.
2150 2018-02-26 Marek Polacek <polacek@redhat.com>
2152 PR c++/84537
2153 * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
2154 if name is error node.
2156 2018-02-25 Jason Merrill <jason@redhat.com>
2158 PR c++/84015 - ICE with class deduction and auto template parm.
2159 * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
2161 2018-02-24 Marek Polacek <polacek@redhat.com>
2163 PR c++/83692
2164 * constexpr.c (maybe_constant_init_1): New function.
2165 (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
2166 (cxx_constant_init): New function.
2167 * cp-tree.h (cxx_constant_init): Declare.
2168 * typeck2.c (store_init_value): Call cxx_constant_init instead of
2169 cxx_constant_value. Move the maybe_constant_init call under an 'else'.
2171 2018-02-22 Jason Merrill <jason@redhat.com>
2173 PR c++/70468 - ICE with constructor delegation via typedef.
2174 * pt.c (tsubst_initializer_list): Check for other mem-initializers
2175 with constructor delegation.
2177 2018-02-22 Jason Merrill <jason@redhat.com>
2179 PR c++/84424 - ICE with constexpr and __builtin_shuffle.
2180 * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
2181 VECTOR_TYPE.
2183 2018-02-22 Marek Polacek <polacek@redhat.com>
2185 PR c++/84493
2186 * parser.c (cp_parser_braced_list): Use require_open instead of
2187 consume_open.
2189 2018-02-21 Jason Merrill <jason@redhat.com>
2191 PR c++/84454 - ICE with pack expansion in signature.
2192 * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
2194 2018-02-20 Siddhesh Poyarekar <siddhesh@sourceware.org>
2196 * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
2197 IF_STMT.
2199 2018-02-20 Paolo Carlini <paolo.carlini@oracle.com>
2201 PR c++/84446
2202 * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
2203 on error_mark_node.
2205 2018-02-20 Jakub Jelinek <jakub@redhat.com>
2207 PR c++/84445
2208 * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
2209 TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
2211 PR c++/84449
2212 * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
2213 returns error_mark_node, return it immediately.
2214 (break_out_target_exprs): If cp_walk_tree with bot_manip returns
2215 error_mark_node, return error_mark_node.
2217 PR c++/84455
2218 * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
2219 function_depth to avoid GC during finish_lambda_function.
2221 2018-02-19 Jason Merrill <jason@redhat.com>
2223 PR c++/84429 - ICE capturing VLA.
2224 * lambda.c (build_capture_proxy): Handle reference refs.
2226 2018-02-19 Jakub Jelinek <jakub@redhat.com>
2228 PR c++/84448
2229 * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
2230 either operand is error_mark_node, set current.lhs to that instead of
2231 creating a binary op with error_mark_node operands.
2233 PR c++/84430
2234 * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
2236 2018-02-19 Paolo Carlini <paolo.carlini@oracle.com>
2238 PR c++/84348
2239 * decl.c (grokdeclarator): Early return error_mark_node upon
2240 ill-formed friend declaration.
2242 2018-02-16 Marek Polacek <polacek@redhat.com>
2243 Jakub Jelinek <jakub@redhat.com>
2245 PR c++/84192
2246 * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
2247 set *jump_target to anything if jump_target is NULL.
2249 2018-02-16 Jason Merrill <jason@redhat.com>
2251 PR c++/84151 - unnecessary volatile load with static member.
2252 * call.c (build_new_method_call_1): Avoid loading from a volatile
2253 lvalue used as the object argument for a static member function.
2255 PR c++/81853 - using-directive and constexpr.
2256 * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
2258 PR c++/84420 - ICE with structured binding in lambda.
2259 * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
2261 PR c++/83835 - C++17 error with constructor ctors.
2262 * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
2264 PR c++/82664 - ICE with reference to function template parm.
2265 * pt.c (convert_nontype_argument_function): Avoid obfuscationg
2266 NOP_EXPRs.
2268 PR c++/82764 - C++17 ICE with empty base
2269 * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
2271 2018-02-16 Jason Merrill <jason@redhat.com>
2273 PR c++/84421 - type-dependent if constexpr
2274 * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
2276 2018-02-16 Nathan Sidwell <nathan@acm.org>
2278 Deprecate -ffriend-injection.
2279 * decl.c (cxx_init_decl_processing): Emit warning on option.
2280 * name-lookup.c (do_pushdecl): Emit warning if we push a visible
2281 friend.
2283 2018-02-16 Paolo Carlini <paolo.carlini@oracle.com>
2285 PR c++/82468
2286 * decl.c (check_special_function_return_type): Reject template
2287 template parameter in deduction guide.
2289 2018-02-16 Nathan Sidwell <nathan@acm.org>
2291 PR c++/84375
2292 * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
2294 2018-02-15 Jason Merrill <jason@redhat.com>
2296 PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
2297 * call.c (convert_like_real): Don't use the copy-list-initialization
2298 shortcut for ck_base.
2300 PR c++/84045 - ICE with typedef and noexcept.
2301 * except.c (build_noexcept_spec): Use strip_typedefs_expr.
2303 PR c++/84376 - ICE with omitted template arguments.
2304 * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
2306 PR c++/84368 - wrong error with local variable in variadic lambda.
2307 * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
2308 local_specializations.
2310 2018-02-15 Paolo Carlini <paolo.carlini@oracle.com>
2312 PR c++/84330
2313 * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
2314 as first argument.
2316 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
2318 PR c++/84350
2319 * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
2320 init, early return.
2322 2018-02-14 Nathan Sidwell <nathan@acm.org>
2324 * decl2.c (mark_vtable_entries): Set input_location to decl's.
2325 (c_parse_final_cleanups): Restore input_location after emitting
2326 vtables.
2328 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
2330 * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
2331 (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
2332 auto_deduction_context, tree, int): Add defaults.
2333 * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
2334 (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
2335 tsubst_flags_t argument.
2336 * init.c (build_new): Likewise.
2338 2018-02-13 Jakub Jelinek <jakub@redhat.com>
2340 PR c++/84364
2341 * typeck.c (check_return_expr): Don't emit -Weffc++ warning
2342 about return other than *this in assignment operators if
2343 retval is type dependent expression.
2345 2018-02-13 Paolo Carlini <paolo.carlini@oracle.com>
2347 PR c++/84333
2348 * call.c (build_conditional_expr_1): Use cp_save_expr instead of
2349 save_expr for the G++ extension.
2351 2018-02-13 Jason Merrill <jason@redhat.com>
2353 PR c++/84080 - ICE with return type deduction and specialization.
2354 * pt.c (determine_specialization): Check uses_template_parms.
2356 Fix more variadic capture issues.
2357 * pt.c (find_parameter_packs_r): Also look at explicit captures.
2358 (check_for_bare_parameter_packs): Check current_class_type for
2359 lambda context.
2360 (extract_locals_r): Handle seeing a full instantiation of a pack.
2361 (tsubst_pack_expansion): Likewise. Force lambda capture.
2362 * parser.c (cp_parser_lambda_introducer): Don't
2363 check_for_bare_parameter_packs.
2365 PR c++/84338 - wrong variadic sizeof.
2366 * pt.c (argument_pack_select_arg): Like the macro, but look through
2367 a pack expansion.
2368 (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
2369 (extract_fnparm_pack): Do make_pack_expansion.
2370 (extract_locals_r): Do strip a pack expansion.
2371 * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
2373 2018-02-12 Jakub Jelinek <jakub@redhat.com>
2375 PR c++/84341
2376 * parser.c (cp_parser_binary_expression): Use build_min instead of
2377 build2_loc to build the no_toplevel_fold_p toplevel binary expression.
2379 2018-02-12 Nathan Sidwell <nathan@acm.org>
2381 PR c++/84263
2382 * parser.c (cp_parser_decltype): Push and pop
2383 deferring_access_checks. Reorganize to avoid goto.
2385 2018-02-12 Richard Biener <rguenther@suse.de>
2387 PR c++/84281
2388 * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
2389 uniform constructors and delay allocating them fully.
2391 2018-02-09 Jason Merrill <jason@redhat.com>
2393 PR c++/84036 - ICE with variadic capture.
2394 Handle variadic capture proxies more like non-variadic.
2395 * lambda.c (build_capture_proxy): Remove workaround.
2396 * pt.c (find_parameter_packs_r): The proxy is a pack.
2397 (instantiate_class_template_1): Remove dead lambda code.
2398 (extract_fnparm_pack): Don't make_pack_expansion.
2399 (extract_locals_r): Don't strip a pack expansion.
2400 (tsubst_pack_expansion): Handle proxy packs. Use
2401 PACK_EXPANSION_EXTRA_ARGS less.
2402 (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
2403 (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
2404 [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
2405 (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
2406 (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
2408 2018-02-10 Jakub Jelinek <jakub@redhat.com>
2410 PR sanitizer/83987
2411 * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
2413 2018-02-09 Jason Merrill <jason@redhat.com>
2415 PR c++/81917 - ICE with void_t and partial specialization.
2416 * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
2417 calling most_specialized_partial_spec.
2419 2018-02-09 Nathan Sidwell <nathan@acm.org>
2421 PR c/84293
2422 * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
2423 Pass expr location to strict_aliasing_warning.
2425 2018-02-09 Jason Merrill <jason@redhat.com>
2427 PR c++/84296 - ICE with qualified-id in template.
2428 PR c++/83714
2429 * pt.c (unknown_base_ref_p): New.
2430 (instantiation_dependent_scope_ref_p): Use it instead of
2431 any_dependent_bases_p.
2433 2018-02-09 Marek Polacek <polacek@redhat.com>
2434 Jakub Jelinek <jakub@redhat.com>
2436 PR c++/83659
2437 * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
2438 fold_indirect_ref_1, including poly_*int64. Verify first that
2439 tree_fits_poly_int64_p (op01). Formatting fixes.
2441 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
2443 * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
2444 * lambda.c (build_capture_proxy): Likewise.
2445 * search.c (field_access_p): Likewise.
2446 * semantics.c (omp_clause_decl, omp_privatize_field,
2447 finish_omp_clauses): Likewise.
2449 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
2451 PR c++/83806
2452 * typeck.c (decay_conversion): Use mark_rvalue_use for the special
2453 case of nullptr too.
2455 2018-02-08 Nathan Sidwell <nathan@acm.org>
2457 * class.c (finish_struct): Fix std:initializer_list diagnostic
2458 formatting.
2460 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
2462 PR c++/83204
2463 * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
2465 2018-02-07 Jakub Jelinek <jakub@redhat.com>
2467 PR c++/84082
2468 * parser.c (cp_parser_dot_deref_incomplete): New function.
2469 (cp_parser_postfix_dot_deref_expression): Use it.
2471 2018-02-07 David Malcolm <dmalcolm@redhat.com>
2473 PR c++/81610
2474 PR c++/80567
2475 * name-lookup.c (suggest_rid_p): New function.
2476 (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
2477 suggest_rid_p.
2479 2018-02-07 Jason Merrill <jason@redhat.com>
2481 PR c++/84182 - ICE with captured lambda
2482 PR c++/84181
2483 * pt.c (extract_locals_r, extract_local_specs): New.
2484 (tsubst_pack_expansion): Use them.
2486 2018-02-07 Martin Liska <mliska@suse.cz>
2488 PR c++/84059.
2489 * class.c (add_method): Append argument value.
2490 * cp-tree.h (maybe_version_functions): Add new argument.
2491 * decl.c (decls_match): Call it if a declaration does not
2492 have DECL_FUNCTION_VERSIONED.
2493 (maybe_version_functions): record argument is added.
2495 2018-02-05 Marek Polacek <polacek@redhat.com>
2497 * class.c: Remove unused global variables.
2498 (build_primary_vtable): Don't gather statistics.
2499 (print_class_statistics): Remove.
2500 * cp-tree.h (print_class_statistics): Remove.
2501 * tree.c (cxx_print_statistics): Don't call print_class_statistics.
2503 2018-02-02 Paolo Carlini <paolo.carlini@oracle.com>
2505 * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
2506 * constexpr.c (cx_check_missing_mem_inits): Likewise.
2507 * decl.c (next_initializable_field, find_decomp_class_base,
2508 cp_finish_decomp): Likewise.
2509 * typeck2.c (process_init_constructor_record): Likewise.
2511 2018-02-02 Jason Merrill <jason@redhat.com>
2513 PR c++/84181 - ICE with lambda parm in template argument.
2514 * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
2516 2018-02-01 Jason Merrill <jason@redhat.com>
2518 PR c++/84160 - ICE with nested variadic capture.
2519 * lambda.c (is_capture_proxy_with_ref): New.
2520 (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
2521 COMPONENT_REF.
2522 * expr.c (mark_use): Use is_capture_proxy_with_ref.
2523 * constexpr.c (potential_constant_expression_1): Likewise.
2524 * semantics.c (process_outer_var_ref): Likewise.
2526 2018-02-01 Marek Polacek <polacek@redhat.com>
2528 PR c++/84125
2529 * typeck.c (build_address): Relax the assert when
2530 processing_template_decl.
2532 2018-02-01 Jason Merrill <jason@redhat.com>
2534 PR c++/84126 - ICE with variadic generic lambda
2535 PR c++/84036
2536 PR c++/82249
2537 * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
2538 PACK_EXPANSION_EXTRA_ARGS.
2540 2018-02-01 Paolo Carlini <paolo.carlini@oracle.com>
2542 PR c++/83796
2543 * call.c (convert_like_real): If w're initializing from {} explicitly
2544 call abstract_virtuals_error_sfinae.
2546 2018-01-31 Jason Merrill <jason@redhat.com>
2547 Jakub Jelinek <jakub@redhat.com>
2549 PR c++/83993
2550 * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
2551 around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
2552 on ADDR_EXPR.
2554 2018-01-31 Jakub Jelinek <jakub@redhat.com>
2556 PR c++/83993
2557 * constexpr.c (diag_array_subscript): Emit different diagnostics
2558 if TYPE_DOMAIN (arraytype) is NULL.
2559 (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
2560 with NULL TYPE_DOMAIN use size_zero_node as nelts.
2562 2018-01-31 Paolo Carlini <paolo.carlini@oracle.com>
2564 PR c++/84092
2565 * semantics.c (finish_qualified_id_expr): When handling an
2566 UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
2568 2018-01-31 Marek Polacek <polacek@redhat.com>
2570 PR c++/84138
2571 * cp-gimplify.c (cp_fold): Check if X is an error node before
2572 calling useless_type_conversion_p.
2574 2018-01-30 Jason Merrill <jason@redhat.com>
2576 PR c++/84091 - ICE with local class in lambda in template.
2577 * decl2.c (determine_visibility): Look for outer containing template
2578 instantiation.
2580 PR c++/84098 - ICE with lambda in template NSDMI.
2581 * pt.c (instantiate_class_template_1): Ignore more lambdas.
2583 2018-01-29 Jason Merrill <jason@redhat.com>
2585 PR c++/68810 - wrong location for reinterpret_cast error.
2586 * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
2587 !dofold.
2589 2018-01-29 Marek Polacek <polacek@redhat.com>
2591 PR c++/83996
2592 * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
2593 => fooarray[1] in offset_int.
2595 2018-01-29 Jason Merrill <jason@redhat.com>
2597 PR c++/83942 - wrong unused warning with static_cast.
2598 * cvt.c (ocp_convert): Call mark_rvalue_use.
2600 2018-01-26 Jason Merrill <jason@redhat.com>
2602 PR c++/83956 - wrong dtor error with anonymous union
2603 * method.c (walk_field_subobs): Variant members only affect
2604 deletedness.
2605 (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
2607 PR c++/84036 - ICE with variadic capture.
2608 PR c++/82249
2609 * pt.c (tsubst_pack_expansion): When optimizing a simple
2610 substitution, pull a single pack expansion out of its pack.
2612 PR c++/82514 - ICE with local class in generic lambda.
2613 * pt.c (regenerated_lambda_fn_p): Remove.
2614 (enclosing_instantiation_of): Don't use it.
2615 (tsubst_function_decl): Call enclosing_instantiation_of.
2617 * pt.c (lookup_template_class_1): Add sanity check.
2618 * name-lookup.c (do_pushtag): Don't add closures to local_classes.
2620 2018-01-25 Jakub Jelinek <jakub@redhat.com>
2622 PR c++/84031
2623 * decl.c (find_decomp_class_base): Ignore unnamed bitfields. Ignore
2624 recursive calls that return ret.
2625 (cp_finish_decomp): Ignore unnamed bitfields.
2627 2018-01-23 Jason Merrill <jason@redhat.com>
2629 PR c++/82249 - wrong mismatched pack length error.
2630 * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
2631 unsubstituted function parameter pack.
2633 2018-01-23 Paolo Carlini <paolo.carlini@oracle.com>
2635 PR c++/83921
2636 * decl.c (check_for_uninitialized_const_var): Not static; add
2637 bool and tsubst_flags_t parameters; adjust to be used both in
2638 constexpr context and not.
2639 * constexpr.c (potential_constant_expression_1): Use the above.
2640 * cp-tree.h (check_for_uninitialized_const_var): Declare.
2642 2018-01-23 Jason Merrill <jason@redhat.com>
2644 PR c++/83947 - ICE with auto declarations.
2645 * pt.c (do_auto_deduction): Don't deduce from an auto decl.
2646 * decl.c (undeduced_auto_decl): Limit to vars and fns.
2648 2018-01-23 David Malcolm <dmalcolm@redhat.com>
2650 PR c++/83974
2651 * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
2652 for pointer to member function types.
2654 2018-01-23 Jakub Jelinek <jakub@redhat.com>
2656 PR sanitizer/83987
2657 * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
2658 DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
2660 2018-01-23 Nathan Sidwell <nathan@acm.org>
2662 PR c++/83988
2663 * pt.c (tsubst_baselink): Remove optype assert.
2664 * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
2666 2018-01-23 Jakub Jelinek <jakub@redhat.com>
2668 PR c++/83958
2669 * decl.c (cp_finish_decomp): Diagnose if reference structure binding
2670 refers to incomplete type.
2672 2018-01-23 Nathan Sidwell <nathan@acm.org>
2674 Deprecate ARM-era for scope handling
2675 * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
2676 (cxx_init_decl_processing): Deprecate flag_new_for_scope being
2677 cleared.
2678 * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
2679 cleanup handling.
2680 * semantics.c (begin_for_scope): Flag_new_for_scope is
2681 boolean-like.
2682 (finish_for_stmt, begin_range_for_stmt): Likewise.
2684 2018-01-22 Jason Merrill <jason@redhat.com>
2686 PR c++/83720
2687 * decl2.c (determine_visibility): Fix template_decl handling
2688 instead of blocking it.
2690 PR c++/83720 - ICE with lambda and LTO.
2691 * decl2.c (determine_visibility): Clear template_decl for
2692 function-scope decls. Propagate anonymous linkage from containing
2693 function.
2695 2018-01-22 Marek Polacek <polacek@redhat.com>
2697 PR c++/81933
2698 * typeck2.c (split_nonconstant_init_1): Return false if we didn't
2699 split out anything.
2701 2018-01-22 Ville Voutilainen <ville.voutilainen@gmail.com>
2703 PR c++/83895
2704 * decl.c (grokdeclarator): Don't diagnose extra parens
2705 on typedefs.
2707 2018-01-19 Jakub Jelinek <jakub@redhat.com>
2709 PR c++/81167
2710 * call.c (joust): Use TREE_TYPE (source) if source is
2711 a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
2713 PR c++/83919
2714 * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
2715 for direct enum init.
2716 * decl.c (reshape_init): Likewise.
2718 2018-01-19 Marek Polacek <polacek@redhat.com>
2720 * constexpr.c (fold_simple): Simplify.
2722 2018-01-18 Jason Merrill <jason@redhat.com>
2724 PR c++/83714
2725 * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
2726 * pt.c (instantiation_dependent_scope_ref_p): True if
2727 any_dependent_bases_p.
2729 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
2731 * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
2732 vs DECL_NONTRIVIALLY_INITIALIZED_P).
2734 2018-01-18 Jason Merrill <jason@redhat.com>
2736 PR c++/82461 - constexpr list-initialized member
2737 * constexpr.c (potential_constant_expression_1): Check
2738 TARGET_EXPR_DIRECT_INIT_P.
2740 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
2742 PR c++/81013
2743 * decl.c (xref_basetypes): Early return upon error about derived
2744 union.
2746 2018-01-18 Nathan Sidwell <nathan@acm.org>
2748 PR c++/83160
2749 * cp-tree.h (mark_use): Declare.
2750 * expr.c (mark_use): Make extern.
2751 * call.c (direct_reference_binding): Set inner conv's
2752 rvaluedness_matches_p, if it is an identity.
2753 (convert_like_real): Mark lvalue or rvalue use for identity as
2754 rvaledness_matches_p demands.
2756 2018-01-18 Jakub Jelinek <jakub@redhat.com>
2758 PR c++/83824
2759 * parser.c (attr_chainon): New function.
2760 (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
2761 cp_parser_namespace_definition, cp_parser_init_declarator,
2762 cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
2763 cp_parser_gnu_attributes_opt): Use it.
2764 (cp_parser_member_declaration, cp_parser_objc_class_ivars,
2765 cp_parser_objc_struct_declaration): Likewise. Don't reset
2766 prefix_attributes if attributes is error_mark_node.
2768 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
2770 PR c++/78344
2771 * decl.c (grokdeclarator): Do not append the error_mark_node
2772 due to an erroneous optional attribute-specifier-seq.
2774 2018-01-17 Jakub Jelinek <jakub@redhat.com>
2776 PR c++/83897
2777 * cp-gimplify.c (cp_maybe_instrument_return): Handle
2778 CLEANUP_POINT_EXPR.
2780 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
2782 PR c++/81054
2783 * constexpr.c (ensure_literal_type_for_constexpr_object): Return
2784 error_mark_node when we give an error.
2785 * decl.c (cp_finish_decl): Use the latter.
2787 2018-01-17 Nathan Sidwell <nathan@acm.org>
2789 PR c++/83287
2790 * init.c (build_raw_new_expr): Scan list for lookups to keep.
2792 2018-01-17 David Malcolm <dmalcolm@redhat.com>
2794 PR c++/83814
2795 * expr.c (fold_for_warn): Move from c-common.c, reducing to just
2796 the C++ part. If processing a template, call
2797 fold_non_dependent_expr rather than fully folding.
2799 2018-01-17 Jason Merrill <jason@redhat.com>
2801 PR c++/81067 - redundant NULL warning.
2802 * call.c (convert_like_real): Restore null_node handling.
2804 2018-01-17 Jason Merrill <jason@redhat.com>
2806 PR c++/81843 - ICE with variadic member template.
2807 PR c++/72801
2808 * pt.c (unify_pack_expansion): Don't try to deduce enclosing
2809 template args.
2811 2018-01-17 David Malcolm <dmalcolm@redhat.com>
2813 PR c++/83799
2814 * pt.c (type_dependent_expression_p): Strip any location wrapper
2815 before testing tree codes.
2816 (selftest::test_type_dependent_expression_p): New function.
2817 (selftest::cp_pt_c_tests): Call it.
2819 2018-01-17 Nathan Sidwell <nathan@acm.org>
2821 PR c++/83739
2822 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
2823 this not a final instantiation.
2825 2018-01-16 Jason Merrill <jason@redhat.com>
2827 PR c++/83714 - ICE checking return in template.
2828 * typeck.c (check_return_expr): Call build_non_dependent_expr.
2830 2018-01-16 Jakub Jelinek <jakub@redhat.com>
2832 PR c++/83817
2833 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
2834 is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
2835 instead of CALL_FROM_THUNK_P.
2837 PR c++/83825
2838 * name-lookup.c (member_vec_dedup): Return early if len is 0.
2839 (resort_type_member_vec, set_class_bindings,
2840 insert_late_enum_def_bindings): Use vec qsort method instead of
2841 calling qsort directly.
2843 2018-01-15 Martin Sebor <msebor@redhat.com>
2845 PR c++/83588
2846 * class.c (find_flexarrays): Make a record of multiple flexible array
2847 members.
2849 2018-01-12 Jason Merrill <jason@redhat.com>
2851 PR c++/83186 - ICE with static_cast of list-initialized temporary.
2852 * typeck.c (build_static_cast): Use build_non_dependent_expr.
2854 2018-01-12 Nathan Sidwell <nathan@acm.org>
2856 * cp-tree.h (mark_rvalue_use): Add parm name.
2857 * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
2858 mark_rvalue_use.
2859 * call.c (convert_like_real): Fix formatting.
2861 2018-01-11 Jason Merrill <jason@redhat.com>
2863 PR c++/82728 - wrong -Wunused-but-set-variable
2864 PR c++/82799
2865 PR c++/83690
2866 * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
2867 * decl.c (case_conversion): Likewise.
2868 * semantics.c (finish_static_assert): Call
2869 perform_implicit_conversion_flags.
2871 2018-01-11 Nathan Sidwell <nathan@acm.org>
2873 * method.c (enum mangling_flags): Delete long-dead enum.
2875 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
2877 * parser.c (cp_parser_std_attribute_spec): When
2878 token_pair::require_open / require_close return false simply
2879 return error_mark_node, avoid duplicate cp_parser_error about
2880 expected '(' / ')', respectively.
2882 2018-01-10 David Malcolm <dmalcolm@redhat.com>
2884 PR c++/43486
2885 * call.c (null_ptr_cst_p): Strip location wrappers when
2886 converting from '0' to a pointer type in C++11 onwards.
2887 (conversion_null_warnings): Replace comparison with null_node with
2888 call to null_node_p.
2889 (build_over_call): Likewise.
2890 * cp-gimplify.c (cp_fold): Remove the early bailout when
2891 processing_template_decl.
2892 * cp-lang.c (selftest::run_cp_tests): Call
2893 selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
2894 * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
2895 (selftest::run_cp_tests): Move decl to bottom of file.
2896 (null_node_p): New inline function.
2897 (selftest::cp_pt_c_tests): New decl.
2898 (selftest::cp_tree_c_tests): New decl.
2899 * cvt.c (build_expr_type_conversion): Replace comparison with
2900 null_node with call to null_node_p.
2901 * error.c (args_to_string): Likewise.
2902 * except.c (build_throw): Likewise.
2903 * mangle.c (write_expression): Skip location wrapper nodes.
2904 * parser.c (literal_integer_zerop): New function.
2905 (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
2906 the result for RID_TYPEID. Pass true for new "wrap_locations_p"
2907 param of cp_parser_parenthesized_expression_list. When calling
2908 warn_for_memset, replace integer_zerop calls with
2909 literal_integer_zerop, eliminating the double logical negation
2910 cast to bool. Eliminate the special-casing for CONST_DECL in
2911 favor of the fold_for_warn within warn_for_memset.
2912 (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
2913 param, defaulting to false. Convert "expr" to a cp_expr, and call
2914 maybe_add_location_wrapper on it when wrap_locations_p is true.
2915 (cp_parser_unary_expression): Call maybe_add_location_wrapper on
2916 the result for RID_ALIGNOF and RID_SIZEOF.
2917 (cp_parser_builtin_offsetof): Likewise.
2918 * pt.c: Include "selftest.h".
2919 (tsubst_copy): Handle location wrappers.
2920 (tsubst_copy_and_build): Likewise.
2921 (build_non_dependent_expr): Likewise.
2922 (selftest::test_build_non_dependent_expr): New function.
2923 (selftest::cp_pt_c_tests): New function.
2924 * tree.c: Include "selftest.h".
2925 (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
2926 (selftest::test_lvalue_kind): New function.
2927 (selftest::cp_tree_c_tests): New function.
2928 * typeck.c (string_conv_p): Strip any location wrapper from "exp".
2929 (cp_build_binary_op): Replace comparison with null_node with call
2930 to null_node_p.
2931 (build_address): Use location of operand when building address
2932 expression.
2934 2018-01-10 Marek Polacek <polacek@redhat.com>
2936 PR c++/82541
2937 * call.c (build_conditional_expr_1): Check complain before warning.
2938 * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
2939 -Wduplicated-branches.
2941 2018-01-10 Jakub Jelinek <jakub@redhat.com>
2943 PR c++/81327
2944 * call.c (maybe_warn_class_memaccess): Add forward declaration.
2945 Change last argument from tree * to const vec<tree, va_gc> *, adjust
2946 args uses and check number of operands too. Don't strip away any
2947 nops. Use maybe_constant_value when looking for INTEGER_CST args.
2948 Deal with src argument not having pointer type. Check
2949 tree_fits_uhwi_p before calling tree_to_uhwi. Remove useless
2950 test.
2951 (build_over_call): Call maybe_warn_class_memaccess here on the
2952 original arguments.
2953 (build_cxx_call): Rather than here on converted arguments.
2955 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
2957 PR c++/81055
2958 * init.c (build_vec_init): Avoid building an INIT_EXPR with
2959 error_mark_node as second argument.
2961 2018-01-09 Jakub Jelinek <jakub@redhat.com>
2963 PR c++/83734
2964 * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
2965 in STATEMENT_LIST. Remove unneeded assert.
2967 2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
2968 Alan Hayward <alan.hayward@arm.com>
2969 David Sherwood <david.sherwood@arm.com>
2971 * constexpr.c (cxx_eval_array_reference): Handle polynomial
2972 VECTOR_CST_NELTS.
2973 (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
2974 * call.c (build_conditional_expr_1): Likewise.
2975 * decl.c (cp_finish_decomp): Likewise.
2976 * mangle.c (write_type): Likewise.
2977 * typeck.c (structural_comptypes): Likewise.
2978 (cp_build_binary_op): Likewise.
2979 * typeck2.c (process_init_constructor_array): Likewise.
2981 2018-01-03 Jakub Jelinek <jakub@redhat.com>
2983 PR c++/83555
2984 * typeck.c (build_static_cast_1): For static casts to reference types,
2985 call build_base_path with flag_delete_null_pointer_checks as nonnull
2986 instead of always false. When -fsanitize=null, call
2987 ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
2988 * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
2989 call if the first argument is INTEGER_CST with REFERENCE_TYPE.
2991 2018-01-03 Nathan Sidwell <nathan@acm.org>
2993 PR c++/83667
2994 * method.c (make_alias_for): Copy DECL_CONTEXT.
2996 2018-01-03 Marek Polacek <polacek@redhat.com>
2998 PR c++/83592
2999 * decl.c (grokdeclarator): Don't warn about MVP in typename context.
3001 2018-01-03 Jakub Jelinek <jakub@redhat.com>
3003 PR preprocessor/83602
3004 * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
3005 for builtin macros.
3007 PR c++/83634
3008 * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
3009 error_mark_node, return error_mark_node.
3011 Update copyright years.
3013 2018-01-02 Jakub Jelinek <jakub@redhat.com>
3015 PR c++/83556
3016 * tree.c (replace_placeholders_r): Pass NULL as last argument to
3017 cp_walk_tree instead of d->pset. If non-TREE_CONSTANT and
3018 non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
3019 to false and return.
3020 (replace_placeholders): Pass NULL instead of &pset as last argument
3021 to cp_walk_tree.
3023 2018-01-02 Nathan Sidwell <nathan@acm.org>
3025 * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
3026 lval var.
3027 \f
3028 Copyright (C) 2018 Free Software Foundation, Inc.
3030 Copying and distribution of this file, with or without modification,
3031 are permitted in any medium without royalty provided the copyright
3032 notice and this notice are preserved.