1 2018-05-25 Jason Merrill <jason@redhat.com>
3 PR c++/85815 - reference to member of enclosing template.
4 * search.c (lookup_base): Use currently_open_class.
5 (lookup_member): Use it regardless of -fconcepts.
6 * parser.c (cp_parser_postfix_dot_deref_expression): Check it.
8 CWG 616, 1213 - value category of subobject references.
9 * tree.c (lvalue_kind): Fix handling of ARRAY_REF of pointer.
11 2018-05-24 Jason Merrill <jason@redhat.com>
13 PR c++/85842 - -Wreturn-type, constexpr if and generic lambda.
14 * pt.c (tsubst_lambda_expr): Copy current_function_returns_* to
17 2018-05-24 Ville Voutilainen <ville.voutilainen@gmail.com>
19 Pedwarn on a non-standard position of a C++ attribute.
20 * parser.c (cp_parser_namespace_definition): Pedwarn about attributes
21 after the namespace name.
23 2018-05-24 Paolo Carlini <paolo.carlini@oracle.com>
25 * cp-tree.h (INDIRECT_TYPE_P): New.
26 * call.c (build_trivial_dtor_call, maybe_warn_class_memaccess,
27 joust): Use it instead of POINTER_TYPE_P.
28 * class.c (update_vtable_entry_for_fn, find_flexarrays,
29 * fixed_type_or_null, resolves_to_fixed_type_p): Likewise.
30 * constexpr.c (cxx_eval_binary_expression, cxx_fold_indirect_ref,
31 * cxx_eval_increment_expression, potential_constant_expression_1):
33 * cp-gimplify.c (cp_gimplify_expr, cp_genericize_r): Likewise.
34 * cp-objcp-common.c (cxx_get_alias_set): Likewise.
35 * cp-ubsan.c (cp_ubsan_maybe_instrument_member_call,
36 cp_ubsan_maybe_instrument_downcast): Likewise.
37 * cvt.c (cp_convert_to_pointer, ocp_convert,
38 cp_get_fndecl_from_callee, maybe_warn_nodiscard, convert): Likewise.
39 * cxx-pretty-print.c (cxx_pretty_printer::abstract_declarator,
40 pp_cxx_offsetof_expression_1): Likewise.
41 * decl.c (grokparms, static_fn_type): Likewise.
42 * decl2.c (grokbitfield): Likewise.
43 * error.c (dump_expr): Likewise.
44 * except.c (initialize_handler_parm, check_noexcept_r): Likewise.
45 * init.c (warn_placement_new_too_small): Likewise.
46 * lambda.c (build_capture_proxy, add_capture): Likewise.
47 * parser.c (cp_parser_omp_for_loop): Likewise.
48 * pt.c (convert_nontype_argument, fn_type_unification,
49 uses_deducible_template_parms, check_cv_quals_for_unify,
50 dependent_type_p_r): Likewise.
51 * search.c (check_final_overrider): Likewise.
52 * semantics.c (handle_omp_array_sections, finish_omp_clauses,
53 finish_omp_for): Likewise.
54 * tree.c (cp_build_qualified_type_real): Likewise.
55 * typeck.c (build_class_member_access_expr,
56 finish_class_member_access_expr, build_x_indirect_ref,
57 cp_build_indirect_ref_1, cp_build_binary_op, build_const_cast_1):
60 2018-05-24 Jason Merrill <jason@redhat.com>
62 PR c++/85864 - literal template and default template arg.
63 * pt.c (instantiation_dependent_r): Handle NONTYPE_ARGUMENT_PACK.
65 2018-05-24 Marek Polacek <polacek@redhat.com>
68 * init.c (build_new_1): Use fold_non_dependent_expr. Use a dedicated
69 variable for its result. Fix a condition.
70 (build_new): Use fold_non_dependent_expr. Tweak a condition.
72 2018-05-23 Jason Merrill <jason@redhat.com>
74 Fix cast to rvalue reference from prvalue.
75 * cvt.c (diagnose_ref_binding): Handle rvalue reference.
76 * rtti.c (build_dynamic_cast_1): Don't try to build a reference to
77 non-class type. Handle xvalue argument.
78 * typeck.c (build_reinterpret_cast_1): Allow cast from prvalue to
80 * semantics.c (finish_compound_literal): Do direct-initialization,
81 not cast, to initialize a reference.
83 CWG 616, 1213 - value category of subobject references.
84 * tree.c (lvalue_kind): A reference to a subobject of a prvalue is
86 * typeck2.c (build_m_component_ref): Likewise.
87 * typeck.c (cp_build_addr_expr_1, lvalue_or_else): Remove diagnostic
88 distinction between temporary and xvalue.
90 2018-05-23 Marek Polacek <polacek@redhat.com>
92 Implement P0614R1, Range-based for statements with initializer.
93 * parser.c (cp_parser_range_based_for_with_init_p): New.
94 (cp_parser_init_statement): Use it. Parse the optional init-statement
95 for a range-based for loop.
96 (cp_parser_skip_to_closing_parenthesis_1): Handle balancing ?:.
98 2018-05-22 Jason Merrill <jason@redhat.com>
100 PR c++/81420 - not extending temporary lifetime.
101 * call.c (extend_ref_init_temps_1): Handle ARRAY_REF.
102 * class.c (build_base_path): Avoid redundant move of an rvalue.
104 PR c++/85866 - error with .* in default template arg.
105 * pt.c (tsubst_copy_and_build): Handle partial instantiation.
107 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
109 * parser.c (cp_parser_parameter_declaration_list): Remove
111 (cp_parser_parameter_declaration_clause): Adjust.
112 (cp_parser_cache_defarg): Likewise.
114 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
117 * parser.c (cp_parser_maybe_commit_to_declaration,
118 cp_parser_check_condition_declarator): New.
119 (cp_parser_simple_declaration): Use the first above.
120 (cp_parser_condition): Use both the above; enforce
121 [stmt.stmt]/2 about the declarator not specifying
122 a function or an array; improve error-recovery.
124 2018-05-20 Jason Merrill <jason@redhat.com>
126 PR libstdc++/85843 - warning in logic_error copy constructor.
127 * class.c (type_has_user_nondefault_constructor): Check for a
128 user-provided ctor, not user-declared.
130 2018-05-19 Jason Merrill <jason@redhat.com>
132 * pt.c (tsubst_pack_expansion): Sorry rather than abort
133 on __integer_pack as subexpression of pattern.
135 2018-05-18 Jason Merrill <jason@redhat.com>
137 PR c++/58407 - deprecated implicit copy ops.
138 * call.c (build_over_call): Warn about deprecated trivial fns.
139 * class.c (classtype_has_user_copy_or_dtor): New.
140 (type_build_ctor_call): Check TREE_DEPRECATED.
141 (type_build_dtor_call): Likewise.
142 * decl2.c (cp_warn_deprecated_use): Move from tree.c.
143 Add checks. Return bool. Handle -Wdeprecated-copy.
145 * decl.c (grokdeclarator): Remove redundant checks.
146 * typeck2.c (build_functional_cast): Likewise.
147 * method.c (lazily_declare_fn): Mark deprecated copy ops.
148 * init.c (build_aggr_init): Only set TREE_USED if there are
151 2018-05-18 Cesar Philippidis <cesar@codesourcery.com>
154 * cp-gimplify.c (cp_genericize_r): Call genericize_omp_for_stmt for
157 2018-05-18 Richard Sandiford <richard.sandiford@linaro.org>
159 * constexpr.c (cxx_eval_constant_expression): Remove FMA_EXPR handling.
160 (potential_constant_expression_1): Likewise.
162 2018-05-16 Marek Polacek <polacek@redhat.com>
165 * call.c (set_flags_from_callee): Handle AGGR_INIT_EXPRs too.
166 * tree.c (bot_manip): Call set_flags_from_callee for
169 2018-05-15 Jason Merrill <jason@redhat.com>
171 * cp-tree.h (cp_expr): Remove copy constructor.
172 * mangle.c (struct releasing_vec): Declare copy constructor.
174 * constexpr.c (cxx_eval_vec_init_1): Pass tf_none if ctx->quiet.
176 PR c++/64372 - CWG 1560, gratuitous lvalue-rvalue conversion in ?:
177 * call.c (build_conditional_expr_1): Don't force_rvalue when one arm
178 is a throw-expression.
180 2018-05-15 Paolo Carlini <paolo.carlini@oracle.com>
182 * cp-tree.h (DECL_MAYBE_IN_CHARGE_CDTOR_P): New.
183 (FOR_EACH_CLONE): Update.
184 * decl.c (grokdeclarator): Use it.
185 * decl2.c (vague_linkage_p): Likewise.
186 * mangle.c (mangle_decl): Likewise.
187 * method.c (lazily_declare_fn): Likewise.
188 * optimize.c (can_alias_cdtor, maybe_clone_body): Likewise.
189 * repo.c (repo_emit_p): Likewise.
190 * tree.c (decl_linkage): Likewise.
192 2018-05-14 Jason Merrill <jason@redhat.com>
194 Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
195 * tree.c (build_cp_fntype_variant): New.
196 (build_ref_qualified_type, build_exception_variant)
197 (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
198 (cxx_type_hash_eq, cp_check_qualified_type): Check
199 TYPE_HAS_LATE_RETURN_TYPE.
200 (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
201 (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
202 * class.c (build_clone): Use cxx_copy_lang_qualifiers.
203 (adjust_clone_args): Likewise.
204 * decl.c (grokfndecl): Add late_return_type_p parameter. Use
205 build_cp_fntype_variant.
206 (grokdeclarator): Pass late_return_type_p to grokfndecl.
207 (check_function_type): Use cxx_copy_lang_qualifiers.
208 (static_fn_type): Use cxx_copy_lang_qualifiers.
209 * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
210 (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
211 (change_return_type): Use cxx_copy_lang_qualifiers.
212 * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
213 * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
214 return type on the declarator like a normal trailing return type.
215 * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
216 (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
217 * typeck.c (merge_types): Use build_cp_fntype_variant.
219 2018-05-14 Paolo Carlini <paolo.carlini@oracle.com>
221 * cp-tree.h (TYPE_REF_P): New.
222 (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
223 * call.c (build_list_conv, build_aggr_conv, standard_conversion,
224 direct_reference_binding, reference_binding, implicit_conversion,
225 add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
226 build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
227 build_over_call, perform_implicit_conversion_flags,
228 extend_ref_init_temps, type_has_extended_temps): Use it.
229 * class.c (one_inheriting_sig, check_field_decls,
230 check_bases_and_members, find_flexarrays, finish_struct,
231 fixed_type_or_null): Likewise.
232 * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
233 non_const_var_error, cxx_eval_constant_expression,
234 potential_constant_expression_1): Likewise.
235 * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
236 cp_genericize_r, cxx_omp_privatize_by_reference,
237 cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
238 cp_fold_maybe_rvalue): Likewise.
239 * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
240 * cvt.c (build_up_reference, convert_to_reference,
241 convert_from_reference, convert_to_void, noexcept_conv_p,
242 fnptr_conv_p): Likewise.
243 * decl.c (poplevel, check_for_uninitialized_const_var,
244 check_initializer, initialize_local_var, cp_finish_decl,
245 get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
246 move_signature_fn_p, grok_op_properties, finish_function): Likewise.
247 * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
248 decl_maybe_constant_var_p): Likewise.
249 * error.c (dump_type_prefix, dump_expr): Likewise.
250 * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
251 is_admissible_throw_operand_or_catch_parameter): Likewise.
252 * expr.c (mark_use): Likewise.
253 * init.c (build_zero_init_1, build_value_init_noctor,
254 perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
255 build_new, build_delete): Likewise.
256 * lambda.c (build_lambda_object): Likewise.
257 * mangle.c (write_expression, write_template_arg): Likewise.
258 * method.c (forward_parm, do_build_copy_constructor,
259 do_build_copy_assign, build_stub_object, constructible_expr,
260 walk_field_subobs): Likewise.
261 * parser.c (cp_parser_omp_for_loop_init,
262 cp_parser_omp_declare_reduction_exprs,
263 cp_parser_omp_declare_reduction): Likewise.
264 * pt.c (convert_nontype_argument_function, convert_nontype_argument,
265 convert_template_argument, tsubst_pack_expansion,
266 tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
267 maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
268 more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
269 value_dependent_expression_p, build_deduction_guide): Likewise.
270 * semantics.c (finish_handler_parms, finish_non_static_data_member,
271 finish_compound_literal, omp_privatize_field,
272 handle_omp_array_sections_1, handle_omp_array_sections,
273 cp_check_omp_declare_reduction, finish_omp_reduction_clause,
274 finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
275 finish_omp_clauses, finish_decltype_type, capture_decltype,
276 finish_builtin_launder): Likewise.
277 * tree.c (lvalue_kind, cp_build_reference_type, move,
278 cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
279 * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
280 cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
281 cp_build_addr_expr_1, maybe_warn_about_useless_cast,
282 build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
283 build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
284 convert_for_initialization,
285 maybe_warn_about_returning_address_of_local, check_return_expr,
286 cp_type_quals, casts_away_constness, non_reference): Likewise.
287 * typeck2.c (cxx_readonly_error, store_init_value,
288 process_init_constructor_record, build_x_arrow, build_functional_cast,
289 add_exception_specifier): Likewise.
291 2018-05-14 Jason Merrill <jason@redhat.com>
293 * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
294 (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
296 2018-05-11 Jakub Jelinek <jakub@redhat.com>
299 * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
300 * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
301 cxx_omp_predetermined_sharing_1. Rename old function to ...
302 (cxx_omp_predetermined_sharing_1): ... this.
303 * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
304 instead of cxx_omp_predetermined_sharing.
306 2018-05-10 Jason Merrill <jason@redhat.com>
308 * decl.c (cp_finish_decl): Don't instantiate auto variable.
309 (check_static_variable_definition): Allow auto.
310 * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
312 * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
313 (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
315 Core issue 2310 - conversion to base of incomplete type.
316 * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
318 CWG 2267 - list-initialization of reference temporary
319 * call.c (reference_binding): List-initializing a reference
320 temporary is copy-list-initialization.
322 * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
324 * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
325 instantiation in template context.
327 * class.c (vbase_has_user_provided_move_assign): Use
330 * lambda.c (lambda_expr_this_capture): Improve logic.
332 * decl.c (make_typename_type): s/parameters/arguments/.
333 * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
334 * pt.c (make_pack_expansion): Correct error message.
336 2018-05-10 Jakub Jelinek <jakub@redhat.com>
339 * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
340 fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
343 2018-05-10 Eric Botcazou <ebotcazou@adacore.com>
346 * decl2.c (adjust_var_decl_tls_model): New static function.
347 (comdat_linkage): Call it on a variable.
348 (maybe_make_one_only): Likewise.
350 2018-05-09 Paolo Carlini <paolo.carlini@oracle.com>
354 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
357 * parser.c (cp_parser_parameter_declaration_list): When the
358 entire parameter-declaration-list is erroneous maybe call
359 abort_fully_implicit_template.
361 2018-05-08 Jason Merrill <jason@redhat.com>
363 PR c++/85706 - class deduction under decltype
364 * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE. Clear
365 *walk_subtrees whether or not we walked into the operand.
366 (type_uses_auto): Only look at deduced contexts.
368 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
371 * parser.c (cp_parser_parameter_declaration_list): When the
372 entire parameter-declaration-list is erroneous maybe call
373 abort_fully_implicit_template.
375 2018-05-08 Marek Polacek <polacek@redhat.com>
378 * semantics.c (finish_if_stmt_cond): See through typedefs.
380 2018-05-07 Jason Merrill <jason@redhat.com>
382 PR c++/85646 - lambda visibility.
383 * decl2.c (determine_visibility): Don't mess with template arguments
384 from the containing scope.
385 (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
388 2018-05-07 Nathan Sidwell <nathan@acm.org>
391 * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
392 (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
393 (SET_DECL_SHADOWED_FOR_VAR): Delete.
394 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
395 (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
397 * name-lookup.h (struct cp_binding_level): Remove
398 dead_vars_from_for field.
399 * cp-lang.c (cp_init_ts): Delete.
400 (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
401 * cp-objcp-common.c (shadowed_var_for_decl): Delete.
402 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
403 (init_shadowed_var_for_decl): Delete.
404 * decl.c (poplevel): Remove shadowed for var handling.
405 (cxx_init_decl_processing): Remove -ffor-scope deprecation.
406 * name-lookup.c (find_local_binding): Remove shadowed for var
408 (check_local_shadow): Likewise.
409 (check_for_out_of_scope_variable): Delete.
410 * parser.c (cp_parser_primary_expression): Remove shadowed for var
412 * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
413 * semantics.c (begin_for_scope): Always have a scope.
414 (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
415 (begin_range_for_stmt, finish_id_expression): Likewise.
417 2018-05-07 Jason Merrill <jason@redhat.com>
419 PR c++/85618 - ICE with initialized VLA.
420 * tree.c (vla_type_p): New.
421 * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
422 rather than array_of_runtime_bound_p.
424 2018-05-05 Paolo Carlini <paolo.carlini@oracle.com>
426 * cvt.c (ocp_convert): Early handle the special case of a
427 null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
429 2018-05-03 Jason Merrill <jason@redhat.com>
431 PR c++/85600 - virtual delete failure.
432 * init.c (build_delete): Always save_expr when deleting.
434 2018-05-03 Nathan Sidwell <nathan@acm.org>
436 * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
437 * name-lookup.c (do_pushdecl): Likewise.
439 2018-05-02 Paolo Carlini <paolo.carlini@oracle.com>
440 Jason Merrill <jason@redhat.com>
443 * name-lookup.c (check_local_shadow): Don't handle static old
444 declarations in the block handling locals shadowing locals.
446 2018-05-01 Jason Merrill <jason@redhat.com>
448 PR c++/85587 - error with scoped enum in template.
449 * semantics.c (finish_qualified_id_expr): Don't return an
450 unqualified IDENTIFIER_NODE.
452 2018-04-30 Jason Merrill <jason@redhat.com>
454 PR c++/85580 - extern "C" and local variables
455 * name-lookup.c (check_extern_c_conflict): Ignore local decls.
457 PR c++/84701 - unsigned typeof.
458 * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
459 of long/short/signed/unsigned.
461 PR c++/85305 - pack in lambda init-capture.
462 * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
463 check_for_bare_parameter_packs in a subexpression.
464 (cp_parser_lambda_introducer): Use it.
466 PR c++/61982 - dead stores to destroyed objects.
467 * call.c (build_trivial_dtor_call): New, assigns a clobber.
468 (build_over_call, build_special_member_call): Use it.
469 * cp-tree.h: Declare it.
470 * init.c (build_delete): Remove trivial path.
472 * init.c (build_dtor_call): Use build_special_member_call.
473 (build_delete): Remove redundant uses of save_addr.
475 * decl.c (build_clobber_this): Use build_clobber.
477 2018-04-27 Jakub Jelinek <jakub@redhat.com>
480 * init.c (build_zero_init_1): For zero initialization of
481 NULLPTR_TYPE_P type use build_int_cst directly.
483 2018-04-27 David Malcolm <dmalcolm@redhat.com>
486 * name-lookup.c (consider_binding_level): Skip compiler-generated
488 * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
489 nested if statements into a series of rejection tests. Reject
490 lambda-ignored entities as suggestions.
492 2018-04-27 Jason Merrill <jason@redhat.com>
494 * cvt.c (cp_fold_convert): Use convert_ptrmem.
495 * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
497 2018-04-27 Paolo Carlini <paolo.carlini@oracle.com>
500 * decl.c (grokdeclarator): Clear friendp upon definition in local
501 class definition error.
503 2018-04-27 Jason Merrill <jason@redhat.com>
505 PR c++/85545 - ICE with noexcept PMF conversion.
506 * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
508 * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
510 (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
512 2018-04-27 Nathan Sidwell <nathan@acm.org>
514 * typeck.c (convert_ptrmem): Move local var decls to initialization.
516 * cp-tree.h (TEMPLATE_INFO): Fix comments.
517 (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
518 (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
519 (dump, print_other_binding_stacks): Remove declarations.
520 * name-lookup.c (print_other_binding_stack): Make static.
521 * pt.c (build_template_decl): Make static.
523 2018-04-26 Jason Merrill <jason@redhat.com>
525 PR c++/85545 - ICE with noexcept PMF conversion.
526 * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
528 2018-04-25 Nathan Sidwell <nathan@acm.org>
532 * cp-tree.h (REINTERPRET_CAST_P): New.
533 * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
534 Reject REINTERPET_CAST_P conversions. Use cplus_expand_constant
535 for non-trivial PTRMEM_CST cases.
536 * typeck.c (build_nop_reinterpret): New.
537 (build_reinterpret_cast_1): Use it. Set REINTERPRET_CAST_P on
538 NOP_EXPRs returned by cp_convert.
540 2018-04-23 Jason Merrill <jason@redhat.com>
542 PR c++/69560 - wrong alignof(double) on x86.
543 CWG 1879 - Inadequate definition of alignment requirement.
544 * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
545 * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
546 (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
547 (cxx_alignof_expr): Pass it.
548 * parser.c (cp_parser_unary_expression): Pass it.
549 * pt.c (tsubst_copy): Copy it.
550 (tsubst_copy_and_build): Pass it.
551 * decl.c (fold_sizeof_expr): Pass it.
553 2018-04-23 Jakub Jelinek <jakub@redhat.com>
554 Jason Merrill <jason@redhat.com>
556 PR c++/85470 - wrong error with static data member.
557 * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
558 * typeck2.c (store_init_value): Likewise.
560 2018-04-20 Jakub Jelinek <jakub@redhat.com>
563 * cp-tree.h (tinst_level): Remove in_system_header_p member,
564 change refcount member from unsigned char to unsigned short,
565 add refcount_infinity static data member, adjust comments.
566 * pt.c (tinst_level::refcount_infinity): Define.
567 (inc_refcount_use): Remove assert, don't increment if refcount
568 is already refcount_infinity, adjust comment.
569 (dec_refcount_use): Remove assert, don't decrement if refcount
570 is refcount_infinity, adjust comment.
571 (push_tinst_level_loc): Formatting fix.
573 2018-04-19 Paolo Carlini <paolo.carlini@oracle.com>
576 * pt.c (lookup_template_class_1): Check pushtag return value for
579 2018-04-19 Alexandre Oliva <aoliva@redhat.com>
582 * cp-tree.h (tinst_level::free): Fix whitespace.
584 2018-04-18 Paolo Carlini <paolo.carlini@oracle.com>
587 * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
590 2018-04-18 Jakub Jelinek <jakub@redhat.com>
593 * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
594 tricks from here to ...
595 * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here. Only use it
596 if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
598 2018-04-18 Alexandre Oliva <aoliva@redhat.com>
601 * cp-tree.h (struct tinst_level): Split decl into tldcl and
602 targs. Add private split_list_p, tree_list_p, and not_list_p
603 inline const predicates; to_list private member function
604 declaration; free public member function declaration; list_p,
605 get_node and maybe_get_node accessors, and refcount data
606 member. Narrow errors to unsigned short.
607 * error.c (print_instantiation_full_context): Use new
609 (print_instantiation_partial_context_line): Likewise. Drop
610 const from tinst_level-typed parameter.
611 * mangle.c (mangle_decl_string): Likewise.
612 * pt.c (freelist): New template class.
613 (tree_list_freelist_head): New var.
614 (tree_list_freelist): New fn, along with specializations.
615 (tinst_level_freelist_head): New var.
616 (pending_template_freelist_head): Likewise.
617 (tinst_level_freelist, pending_template_freelist): New fns.
618 (tinst_level::to_list, tinst_level::free): Define.
619 (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
620 (set_refcount_ptr): New template fn.
621 (add_pending_template): Adjust for refcounting, freelists and
623 (neglectable_inst_p): Take a NULL d as a non-DECL.
624 (limit_bad_template_recursion): Use new accessors.
625 (push_tinst_level): New overload to create the list.
626 (push_tinst_level_loc): Make it static, split decl into two
627 args, adjust tests and initialization to cope with split
628 lists, use freelist, adjust for refcounting.
629 (push_tinst_level_loc): New wrapper with the old interface.
630 (pop_tinst_level): Adjust for refcounting.
631 (record_last_problematic_instantiation): Likewise.
632 (reopen_tinst_level): Likewise. Use new accessors.
633 (instantiate_alias_template): Adjust for split list.
634 (fn_type_unification): Likewise.
635 (get_partial_spec_bindings): Likewise.
636 (instantiate_pending_templates): Use new accessors. Adjust
637 for refcount. Release pending_template to freelist.
638 (instantiating_current_function_p): Use new accessors.
640 2018-04-16 Alexandre Oliva <aoliva@redhat.com>
643 * parser.c (cp_parser_builtin_offset): Reject type definitions.
644 * mangle.c (nested_anon_class_index): Avoid crash returning -1
645 if we've seen errors.
647 2018-04-12 David Malcolm <dmalcolm@redhat.com>
650 * name-lookup.c (macro_use_before_def::maybe_make): New function,
651 checking that the use is indeed before the definition.
652 (macro_use_before_def::macro_use_before_def): Make private.
653 (macro_use_before_def::~macro_use_before_def): Make private. Move
654 check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
655 (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
656 than using new directly.
658 2018-04-12 Jason Merrill <jason@redhat.com>
660 PR c++/85356 - ICE with pointer to member function.
661 * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
662 flag_noexcept_type. Build the new spec within the function context.
663 * except.c (build_noexcept_spec): Do get constant value in templates
664 if flag_noexcept_type.
665 * decl.c (check_redeclaration_exception_specification): Don't
666 instantiate noexcept on a dependent declaration.
668 2018-04-12 Marek Polacek <polacek@redhat.com>
671 * constexpr.c (reduced_constant_expression_p): Return false for null
674 2018-04-11 Marek Polacek <polacek@redhat.com>
677 * constexpr.c (potential_constant_expression_1): Consider conversions
678 from classes to literal types potentially constant.
680 2018-04-10 Paolo Carlini <paolo.carlini@oracle.com>
683 * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
684 the type like TYPE_PTR_OR_PTRMEM_P.
686 2018-04-10 Jason Merrill <jason@redhat.com>
688 PR debug/65821 - wrong location for main().
689 * call.c (clear_location_r, convert_default_arg): Revert.
690 * tree.c (break_out_target_exprs): Add clear_location parm.
691 (struct bot_data): New.
692 (bot_manip): Clear location if requested.
693 * init.c (get_nsdmi): Pass clear_location.
695 2018-04-10 David Malcolm <dmalcolm@redhat.com>
698 * call.c (get_fndecl_argument_location): Make non-static.
699 * cp-tree.h (get_fndecl_argument_location): New decl.
700 * typeck.c (convert_for_assignment): When complaining due to
701 conversions for an argument, show the location of the parameter
704 2018-04-10 Jakub Jelinek <jakub@redhat.com>
706 PR c++/85312 - P0962 cleanup
707 * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
710 2018-04-10 Jason Merrill <jason@redhat.com>
712 PR debug/65821 - wrong location for main().
713 * call.c (clear_location_r): New.
714 (convert_default_arg): Use it.
715 * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
717 PR c++/85285 - ICE with flexible array after substitution.
718 * pt.c (instantiate_class_template_1): Check for flexible array in
721 2018-04-09 Paolo Carlini <paolo.carlini@oracle.com>
724 * decl.c (cp_finish_decomp): In a template, if the type is incomplete
725 issue a pedwarn and defer trying to do bindings.
727 2018-04-09 Jason Merrill <jason@redhat.com>
729 PR c++/85279 - dump_expr doesn't understand decltype.
730 * error.c (dump_expr): Handle DECLTYPE_TYPE.
732 PR c++/85262 - ICE with redundant qualification on constructor.
733 * call.c (build_new_method_call_1): Move make_args_non_dependent
734 after A::A() handling.
736 PR c++/85277 - ICE with invalid offsetof.
737 * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
738 Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
740 PR c++/85264 - ICE with excess template-parameter-list.
741 * parser.c (cp_parser_check_template_parameters): Add template_id_p
742 parameter. Don't allow an extra template header if true.
743 (cp_parser_class_head): Pass template_id_p.
744 (cp_parser_elaborated_type_specifier): Likewise.
745 (cp_parser_alias_declaration): Likewise.
746 (cp_parser_check_declarator_template_parameters): Likewise.
748 2018-04-09 Jakub Jelinek <jakub@redhat.com>
751 * parser.c (cp_parser_simple_declaration): For structured bindings,
752 if *maybe_range_for_decl is NULL after parsing it, set it to
755 2018-04-09 Jason Merrill <jason@redhat.com>
757 PR c++/85256 - ICE capturing pointer to VLA.
758 * lambda.c (add_capture): Distinguish between variable-size and
759 variably-modified types.
761 2018-04-06 Jason Merrill <jason@redhat.com>
763 PR c++/85214 - ICE with alias, generic lambda, constexpr if.
764 * pt.c (extract_locals_r): Remember local typedefs.
766 2018-04-06 David Malcolm <dmalcolm@redhat.com>
769 * name-lookup.c (struct std_name_hint): Move out of
770 get_std_name_hint; add field "min_dialect".
771 (get_std_name_hint): Add min_dialect values to all initializers.
772 Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
773 <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
774 <shared_mutex>, <string_view>, <thread>, and <variant>.
775 Add fstream, ifstream, and ofstream to <fstream>.
776 Add istringstream, ostringstream, and stringstream to <sstream>.
777 Add basic_string to <string>.
778 Add tuple_element and tuple_size to <tuple>.
779 Add declval to <utility>.
780 Fix ordering of <queue> and <tuple>.
781 Return a std_name_hint, rather than a const char *.
782 (get_cxx_dialect_name): New function.
783 (maybe_suggest_missing_std_header): Detect names that aren't yet
784 available in the current dialect, and instead of suggesting a
785 missing #include, warn about the dialect.
787 2018-04-06 Jakub Jelinek <jakub@redhat.com>
790 * pt.c (tsubst_decomp_names): Return error_mark_node and assert
791 errorcount is set if tsubst doesn't return a VAR_DECL.
793 2018-04-06 David Malcolm <dmalcolm@redhat.com>
796 * name-lookup.c (using_directives_contain_std_p): New function.
797 (has_using_namespace_std_directive_p): New function.
798 (suggest_alternatives_for): Simplify if/else logic using early
799 returns. If no candidates were found, and there's a
800 "using namespace std;" directive, call
801 maybe_suggest_missing_std_header.
802 (maybe_suggest_missing_header): Split later part of the function
804 (maybe_suggest_missing_std_header): New.
806 2018-04-06 Jason Merrill <jason@redhat.com>
808 PR c++/85242 - ICE with class definition in template parm.
809 * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
810 processing_template_parmlist.
812 PR c++/85240 - LTO ICE with using of undeduced auto fn.
813 * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
815 2018-04-05 Jakub Jelinek <jakub@redhat.com>
818 * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
819 is not prev, if prev == decl.
822 * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
823 maybe_apply_pragma_weak here...
824 (cp_maybe_mangle_decomp): ... but call it here instead.
826 2018-04-05 Jason Merrill <jason@redhat.com>
828 PR c++/85136 - ICE with designated init in template.
829 * decl.c (maybe_deduce_size_from_array_init): Handle dependent
830 designated initializer.
831 (check_array_designated_initializer): Update ce->index with the
834 PR c++/83808 - ICE with VLA initialization.
835 * typeck2.c (process_init_constructor_array): Don't require a VLA
836 initializer to have VLA type.
838 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
841 * call.c (convert_like_real): Fail gracefully for a broken
842 std::initializer_list, missing a definition.
844 * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
846 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
849 * decl.c (grokdeclarator): Fix diagnostic about typedef name used
850 as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
852 2018-04-05 Jason Merrill <jason@redhat.com>
854 PR c++/82152 - ICE with class deduction and inherited ctor.
855 * pt.c (do_class_deduction): Ignore inherited ctors.
857 PR c++/84665 - ICE with array of empty class.
858 * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
860 PR c++/85228 - ICE with lambda in enumerator in template.
861 * pt.c (bt_instantiate_type_proc): Don't assume
862 CLASSTYPE_TEMPLATE_INFO is non-null.
864 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
867 * decl.c (find_decomp_class_base): Check accessibility instead
868 of declared access, adjust diagnostic.
870 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
873 * decl.c (get_tuple_decomp_init): Check the templatedness
876 2018-04-05 Jason Merrill <jason@redhat.com>
878 PR c++/85200 - ICE with constexpr if in generic lambda.
879 * pt.c (extract_locals_r): Don't record the local specs of variables
880 declared within the pattern.
882 2018-04-05 Alexandre Oliva <aoliva@redhat.com>
885 * pt.c (check_auto_in_tmpl_args): New.
886 (tsubst_qualified_id): Use it to reject template args
887 referencing auto for non-type templates.
888 * parser.c (cp_parser_template_id): Likewise.
889 * cp-tree.h (check_auto_in_tmpl_args): Declare.
890 * typeck2.c (build_functional_cast): Report correct location
891 for invalid use of auto.
893 2018-04-04 Jason Merrill <jason@redhat.com>
895 PR c++/85215 - ICE with copy-init from conversion.
896 * call.c (merge_conversion_sequences): Fix type of direct binding
899 PR c++/84938 - ICE with division by ~-1.
900 * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
902 PR c++/84936 - ICE with unexpanded pack in mem-initializer.
903 * parser.c (cp_parser_mem_initializer_list): Call
904 check_for_bare_parameter_packs.
906 2018-04-04 Jakub Jelinek <jakub@redhat.com>
909 * constexpr.c (cxx_eval_builtin_function_call): For calls to
910 builtin_valid_in_constant_expr_p functions, don't call
911 cxx_eval_constant_expression if argument is not
912 potential_constant_expression.
915 * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
917 * semantics.c (calculate_bases): Add complain argument. Use
918 complete_type_or_maybe_complain instead of just complete_type and
919 return an empty vector if it fails. Move make_tree_vector () call
920 after early return. Formatting fixes.
921 (calculate_direct_bases): Likewise. Call release_tree_vector at the
923 (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
924 * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
925 calculate_direct_bases callers, formatting fixes.
927 2018-04-04 Jason Merrill <jason@redhat.com>
929 PR c++/85006 - -fconcepts ICE with A<auto...> return type
930 * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
932 PR c++/85200 - ICE with constexpr if in generic lambda.
933 * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
935 PR c++/84221 - bogus -Wunused with attribute and template.
936 * decl2.c (is_late_template_attribute): Handle unused and used
937 normally on non-TYPE_DECL.
939 PR c++/85135 - ICE with omitted template arguments.
940 * decl.c (grokdeclarator): Catch deduced class type in trailing
943 PR c++/85133 - ICE with missing concept initializer.
944 * decl.c (cp_finish_decl): If a concept initializer is missing, use
947 PR c++/85118 - wrong error with generic lambda and std::bind.
948 * call.c (add_template_conv_candidate): Disable if there are any
951 PR c++/85141 - ICE with compound assignment and static member fn.
952 * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
955 PR c++/85148 - ICE with 'this' in array NSDMI.
956 * tree.c (replace_placeholders_r): Use handled_component_p.
958 2018-04-04 Ville Voutilainen <ville.voutilainen@gmail.com>
961 * decl.c (grokfndecl): Handle standard UDL diagnostics here..
962 * parser.c (cp_parser_unqualified_id): ..not here.
964 2018-04-04 Alexandre Oliva <aoliva@redhat.com>
967 * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
969 * decl2.c (mark_used): Return without effects if tf_conv.
971 2018-04-03 Jason Merrill <jason@redhat.com>
973 PR c++/85092 - C++17 ICE with unused list constructor.
974 * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
977 PR c++/85113 - ICE with constexpr and __builtin_constant_p.
978 * constexpr.c (cxx_eval_builtin_function_call): Only defer
979 __builtin_constant_p if ctx->quiet.
981 2018-04-03 Paolo Carlini <paolo.carlini@oracle.com>
984 * pt.c (rewrite_template_parm): If the first argument is
985 error_mark_node return it immediately.
986 (build_deduction_guide): Check the return value of the
987 latter for error_mark_node.
988 (do_class_deduction): Check the return value of the latter.
990 2018-04-03 Jason Merrill <jason@redhat.com>
992 * semantics.c (finish_if_stmt_cond): Use
993 instantiation_dependent_expression_p.
995 PR c++/85149 - generic lambda and constexpr if.
996 * pt.c (build_extra_args, add_extra_args): Split from
997 tsubst_pack_expansion.
998 (tsubst_expr) [IF_STMT]: Use them.
999 * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
1001 * typeck.c (merge_types): Limit matching attribute shortcut to
1004 2018-04-03 Jakub Jelinek <jakub@redhat.com>
1007 * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
1010 * name-lookup.c (handle_namespace_attrs): Return early if attributes
1014 * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
1015 fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
1016 instead for static data members clear init and set DECL_EXTERNAL.
1018 2018-04-02 Jason Merrill <jason@redhat.com>
1020 PR c++/64095 - auto... parameter pack.
1021 * parser.c (cp_parser_parameter_declaration): Handle turning autos
1023 (cp_parser_parameter_declaration_list): Not here.
1025 2018-03-31 Alexandre Oliva <aoliva@redhat.com>
1028 * class.c (instantiate_type): Peel off SAVE_EXPR before
1031 2018-03-30 Jason Merrill <jason@redhat.com>
1033 * typeck2.c (process_init_constructor_record): Use
1034 init_list_type_node for the CONSTRUCTOR around an anonymous union
1035 designated initializer.
1037 2018-03-30 Jakub Jelinek <jakub@redhat.com>
1040 * semantics.c (finish_omp_reduction_clause): If
1041 OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
1042 even if processing_template_decl.
1044 2018-03-29 David Malcolm <dmalcolm@redhat.com>
1047 * name-lookup.c (get_std_name_hint): Add names from <memory>,
1048 <tuple>, and <utility>.
1050 2018-03-29 Jason Merrill <jason@redhat.com>
1052 PR c++/85093 - too many template args with pack expansion.
1053 * pt.c (coerce_template_parms): Keep pack expansion args that will
1056 2018-03-29 Jason Merrill <jason@redhat.com>
1058 * pt.c (build_non_dependent_expr): Propagate expr location.
1060 2018-03-27 Jason Merrill <jason@redhat.com>
1062 PR c++/85060 - wrong-code with call to base member in template.
1063 * search.c (any_dependent_bases_p): Check uses_template_parms
1064 rather than processing_template_decl.
1066 2018-03-29 David Malcolm <dmalcolm@redhat.com>
1069 * typeck.c (convert_for_assignment): When complaining due to
1070 conversions for an argument, attempt to use the location of the
1073 2018-03-28 Paolo Carlini <paolo.carlini@oracle.com>
1076 * pt.c (tsubst_default_argument): Early return if the type of the
1077 parameter is erroneous.
1079 2018-03-28 Alexandre Oliva <aoliva@redhat.com>
1082 * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
1086 * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
1088 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
1091 * method.c (defaulted_late_check): Partially revert r253321 changes,
1092 do not early return upon error.
1094 2018-03-27 Jakub Jelinek <jakub@redhat.com>
1097 * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
1098 type call fold to generate VECTOR_CSTs when possible.
1101 * tree.c (cp_build_reference_type): If to_type is error_mark_node,
1102 return it right away.
1104 2018-03-27 Volker Reichelt <v.reichelt@netcologne.de>
1106 * search.c (check_final_overrider): Use inform instead of error
1107 for the diagnostics of the overridden functions. Tweak wording.
1109 2018-03-27 Jakub Jelinek <jakub@redhat.com>
1112 * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
1113 is NULL. Assert if thunk_binfo is NULL then errorcount is non-zero.
1115 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
1116 Jason Merrill <jason@redhat.com>
1119 * init.c (build_aggr_init): When initializing from array,
1120 reject anything but CONSTRUCTORs and TARGET_EXPRs.
1121 (build_vec_init): Handle separately ARRAY_TYPEs.
1123 2018-03-26 Jason Merrill <jason@redhat.com>
1125 PR c++/85062 - ICE with alignas in wrong place.
1126 * decl.c (grokdeclarator): Ignore attributes on type-specifiers
1129 PR c++/85049 - ICE with __integer_pack.
1130 * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
1131 * cp-tree.h (TEMPLATE_PARM_P): New.
1133 2018-03-23 Jason Merrill <jason@redhat.com>
1135 PR c++/78489 - wrong SFINAE behavior.
1138 * pt.c (type_unification_real): Don't defer substitution failure.
1140 2018-03-23 Jakub Jelinek <jakub@redhat.com>
1143 * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
1147 * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
1148 cp_build_unary_op call with gcc_unreachable ().
1150 2018-03-23 Marek Polacek <polacek@redhat.com>
1153 * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
1154 Handle EXACT_DIV_EXPR and RDIV_EXPR. Tweak condition.
1155 (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
1157 2018-03-23 Ville Voutilainen <ville.voutilainen@gmail.com>
1160 * parser.c (cp_parser_perform_range_for_lookup): Change
1161 the condition for deciding whether to use members.
1163 2018-03-23 Marek Polacek <polacek@redhat.com>
1166 * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
1168 2018-03-23 Alexandre Oliva <aoliva@redhat.com>
1171 * parser.c (cp_parser_alias_declaration): Call
1172 parser_check_template_parameters.
1175 * pt.c (resolve_typename_type): Drop assert that stopped
1176 simplification to template-independent types. Add assert to
1177 verify the initial scope is template dependent.
1178 * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
1179 Reparse the id expression as a type-name, not a declarator.
1182 * init.c (build_vec_init): Error at parenthesized array init.
1187 * cp-tree.h (temp_override): New template class, generalizing
1188 a cleanup that was only used...
1189 * parser.c (cp_parser_parameter_declaration_clause):
1190 ... here for auto_is_implicit_function_template_parm_p.
1191 (cp_parser_gnu_attributes_opt): Use it here as well.
1192 (cp_parser_std_attribute): Likewise.
1194 2018-03-22 Marek Polacek <polacek@redhat.com>
1197 * semantics.c (finish_if_stmt_cond): Check if the type of the condition
1200 2018-03-21 Jason Merrill <jason@redhat.com>
1202 PR c++/81311 - wrong C++17 overload resolution.
1203 * call.c (build_user_type_conversion_1): Remove C++17 code.
1204 (conv_binds_ref_to_prvalue): New.
1205 (build_over_call): Handle C++17 copy elision.
1206 (build_special_member_call): Only do C++17 copy elision here if the
1207 argument is already the right type.
1209 2018-03-21 Alexandre Oliva <aoliva@redhat.com>
1212 * init.c (build_vec_init): Silence error, former sorry,
1217 * parser.c (abort_fully_implicit_template_p): New.
1218 (cp_parser_skip_to_end_of_statement): Use it.
1219 (cp_parser_skip_to_end_of_block_or_statement): Likewise.
1220 (finish_fully_implicit_template_p): Clear
1221 implicit_template_parms and implicit_template_scope.
1223 2018-03-21 Paolo Carlini <paolo.carlini@oracle.com>
1226 * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
1227 error_mark_node when check_array_designated_initializer fails.
1229 2018-03-21 Jakub Jelinek <jakub@redhat.com>
1232 * cp-tree.h (genericize_compound_lvalue): Declare.
1233 * typeck.c (genericize_compound_lvalue): New function.
1234 (unary_complex_lvalue, cp_build_modify_expr): Use it.
1235 * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
1236 and PREDECREMENT_EXPR in output and "m" constrained input operands with
1237 COMPOUND_EXPR. Call cxx_mark_addressable on the rightmost
1238 COMPOUND_EXPR operand.
1240 2018-03-21 Nathan Sidwell <nathan@acm.org>
1243 * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
1244 * decl2.c (vague_linkage_p): Likewise.
1246 2018-03-21 David Malcolm <dmalcolm@redhat.com>
1249 * constexpr.c (constexpr_fn_retval): Make non-"static".
1250 * cp-tree.h (constexpr_fn_retval): New decl.
1251 * search.c (direct_accessor_p): Update leading comment.
1252 (reference_accessor_p): Likewise.
1253 (field_accessor_p): Replace check that function body is a
1254 RETURN_EXPR with a call to constexpr_fn_retval. Fix
1255 indentation of "field_type" decl.
1257 2018-03-21 Nathan Sidwell <nathan@acm.org>
1260 * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
1263 2018-03-21 Martin Sebor <msebor@redhat.com>
1266 * call.c (first_non_public_field): New template and function.
1267 (first_non_trivial_field): New function.
1268 (maybe_warn_class_memaccess): Call them.
1270 2018-03-21 David Malcolm <dmalcolm@redhat.com>
1273 * search.c (field_accessor_p): Use class_of_this_parm rather than
1274 type_of_this_parm, to check that "this" is a "const T *", rather
1277 2018-03-21 Nathan Sidwell <nathan@acm.org>
1279 * class.c (finish_struct_anon_r): Refactor, deprecate anything
1280 other than public non-static data members.
1281 * parser.c (cp_parser_init_declarator): Deprecate attributes after
1282 parenthesized initializer.
1285 * name-lookup.c (update_binding): Correct logic for local binding
1288 2018-03-21 Marek Polacek <polacek@redhat.com>
1290 PR c++/71638, ICE with NSDMI and reference.
1291 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1292 even when we replace an element.
1294 2018-03-20 Marek Polacek <polacek@redhat.com>
1296 PR c++/84978, ICE with NRVO.
1297 * constexpr.c (cxx_eval_constant_expression): Handle the case when
1298 a RESULT_DECL isn't in the hash map.
1300 2018-03-20 Jason Merrill <jason@redhat.com>
1302 PR c++/84978, ICE with NRVO.
1303 * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
1304 (cp_get_callee_fndecl_nofold): New.
1305 * cp-gimplify.c (cp_genericize_r): Use it instead.
1306 * call.c (check_self_delegation): Likewise.
1308 2018-03-20 Nathan Sidwell <nathan@acm.org>
1311 * name-lookup.c (pushdecl_class_level): Push anon-struct's
1312 member_vec, if there is one.
1315 * cp-tree.h (lookup_list_keep): Declare.
1316 * tree.c (lookup_list_keep): New, broken out of ...
1317 (build_min): ... here. Call it.
1318 * decl.c (cp_finish_decl): Call lookup_list_keep.
1320 2018-03-19 Jason Merrill <jason@redhat.com>
1322 PR c++/84937 - ICE with class deduction and auto.
1323 * pt.c (rewrite_template_parm): Fix auto handling.
1325 2018-03-19 Marek Polacek <polacek@redhat.com>
1328 * pt.c (enclosing_instantiation_of): Check if fn is null.
1331 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1332 as we evaluate the elements.
1333 (cxx_eval_constant_expression): Verify constructor's flags
1336 2018-03-19 Jason Merrill <jason@redhat.com>
1338 PR c++/71834 - template-id with too few arguments.
1339 * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
1341 2018-03-19 Nathan Sidwell <nathan@acm.org>
1344 * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
1345 * pt.c (build_template_decl): Propagate language linkage.
1348 * name-lookup.c (set_local_extern_decl_linkage): Defend against
1351 2018-03-16 Jakub Jelinek <jakub@redhat.com>
1354 * parser.c (cp_parser_lambda_introducer): Remove trailing space from
1356 * method.c (synthesize_method): Likewise.
1357 * pt.c (convert_nontype_argument): Likewise.
1359 2018-03-16 Jason Merrill <jason@redhat.com>
1361 PR c++/84720 - ICE with rvalue ref non-type argument.
1362 * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
1363 (convert_nontype_argument): Revert earlier change.
1365 PR c++/80227 - SFINAE and negative array size.
1366 * decl.c (compute_array_index_type): Use
1367 build_converted_constant_expr and valid_constant_size_p.
1369 PR c++/84906 - silent wrong code with ambiguous conversion.
1370 * call.c (build_user_type_conversion_1): Set need_temporary_p on
1371 ambiguous conversion.
1372 (convert_like_real): Check it.
1374 PR c++/83937 - wrong C++17 handling of init-list ctor argument.
1375 * call.c (build_special_member_call): Don't convert an init-list
1376 argument directly to the class type.
1378 2018-03-16 Jakub Jelinek <jakub@redhat.com>
1382 * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
1383 (find_placeholder): Declare.
1384 * tree.c (struct replace_placeholders_t): Add exp member.
1385 (replace_placeholders_r): Don't walk into ctors with
1386 CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
1387 d->exp. Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
1388 (replace_placeholders): Initialize data.exp.
1389 (find_placeholders_r, find_placeholders): New functions.
1390 * typeck2.c (process_init_constructor_record,
1391 process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
1392 if adding NSDMI on which find_placeholder returns true.
1393 * call.c (build_over_call): Don't call replace_placeholders here.
1394 * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
1395 TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
1396 TARGET_EXPR_INITIAL.
1397 (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
1400 2018-03-16 Jason Merrill <jason@redhat.com>
1402 PR c++/83911 - ICE with multiversioned constructor.
1403 * cp-gimplify.c (cp_genericize_r): Replace versioned function with
1405 * call.c (build_over_call): Not here.
1407 2018-03-16 Jakub Jelinek <jakub@redhat.com>
1410 * decl.c (reshape_init_class): Don't assert d->cur->index == field
1411 if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
1413 2018-03-15 Jakub Jelinek <jakub@redhat.com>
1416 * cp-tree.h (cp_warn_deprecated_use): Declare.
1417 * tree.c (cp_warn_deprecated_use): New function.
1418 * typeck2.c (build_functional_cast): Use it.
1419 * decl.c (grokparms): Likewise.
1420 (grokdeclarator): Likewise. Temporarily push nested class scope
1421 around grokparms call for out of class member definitions.
1423 2018-03-14 Jason Merrill <jason@redhat.com>
1425 PR c++/84820 - no error for invalid qualified-id.
1426 * parser.c (cp_parser_make_indirect_declarator): Don't wrap
1427 cp_error_declarator.
1429 PR c++/84801 - ICE with unexpanded pack in lambda.
1430 * pt.c (check_for_bare_parameter_packs): Don't return early for a
1431 lambda in non-template context.
1433 PR c++/81236 - auto variable and auto function
1434 * pt.c (tsubst_baselink): Update the type of the BASELINK after
1437 2018-03-14 Jason Merrill <jason@redhat.com>
1439 PR c++/83916 - ICE with template template parameters.
1440 * pt.c (convert_template_argument): Don't substitute into type of
1441 non-type parameter if we don't have enough arg levels.
1444 2018-03-14 Marek Polacek <polacek@redhat.com>
1447 * semantics.c (finish_static_assert): Check
1448 instantiation_dependent_expression_p instead of
1449 {type,value}_dependent_expression_p.
1451 2018-03-13 Paolo Carlini <paolo.carlini@oracle.com>
1452 Jason Merrill <jason@redhat.com>
1454 PR c++/82336 - link error with list-init default argument.
1455 * decl.c (check_default_argument): Unshare an initializer list.
1457 2018-03-13 Jakub Jelinek <jakub@redhat.com>
1460 * decl.c (duplicate_decls): For redefinition of built-in, use error
1461 and return error_mark_node. For redeclaration, return error_mark_node
1462 rather than olddecl if !flag_permissive.
1464 2018-03-13 Jason Merrill <jason@redhat.com>
1466 PR c++/82565 - ICE with concepts and generic lambda.
1467 * pt.c (instantiate_decl): Clear fn_context for lambdas.
1469 2018-03-13 Jason Merrill <jason@redhat.com>
1471 PR c++/84720 - ICE with rvalue ref non-type argument.
1472 * pt.c (convert_nontype_argument): Handle rvalue references.
1474 PR c++/84839 - ICE with decltype of parameter pack.
1475 * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
1476 instantiating dummy parms.
1478 * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
1479 parameter even without -Wpedantic.
1481 PR c++/84798 - ICE with auto in abstract function declarator.
1482 * parser.c (cp_parser_parameter_declaration_clause): Check
1483 parser->default_arg_ok_p.
1485 2018-03-13 Jakub Jelinek <jakub@redhat.com>
1488 * constexpr.c (find_array_ctor_elt): Don't use elt reference after
1489 first potential CONSTRUCTOR_ELTS reallocation. Convert dindex to
1490 sizetype. Formatting fixes.
1492 2018-03-12 Jason Merrill <jason@redhat.com>
1494 PR c++/84355 - ICE with deduction for member class template.
1495 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
1496 CLASS_PLACEHOLDER_TEMPLATE.
1498 PR c++/84802 - ICE capturing uninstantiated class.
1499 * lambda.c (build_capture_proxy): Call complete_type.
1501 2018-03-09 Jason Merrill <jason@redhat.com>
1503 PR c++/84770 - ICE with typedef and parameter pack.
1504 * pt.c (verify_unstripped_args_1): Split out from
1505 verify_unstripped_args.
1507 PR c++/84785 - ICE with alias template and default targs.
1508 * pt.c (type_unification_real): Set processing_template_decl if
1511 PR c++/84752 - ICE with capture of constexpr array.
1512 * call.c (standard_conversion): Set rvaluedness_matches_p on the
1513 identity conversion under ck_lvalue.
1515 2018-03-09 Jason Merrill <jason@redhat.com>
1516 Paolo Carlini <paolo.carlini@oracle.com>
1520 * pt.c (any_erroneous_template_args_p): New.
1521 * cp-tree.h (any_erroneous_template_args_p): Declare it.
1522 * parser.c (cp_parser_class_specifier_1): Use it.
1524 2018-03-09 Jason Merrill <jason@redhat.com>
1526 PR c++/84726 - unnecessary capture of constant vars.
1527 * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
1528 (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
1529 * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
1530 * lambda.c (is_constant_capture_proxy)
1531 (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
1532 (prune_lambda_captures): New.
1533 (finish_lambda_function): Call prune_lambda_captures.
1535 2018-03-09 Jason Merrill <jason@redhat.com>
1536 Jakub Jelinek <jakub@redhat.com>
1539 * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
1540 build ADDR_EXPR with REFERENCE_TYPE.
1541 (build_over_call): For purposes of check_function_arguments, if
1542 argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
1543 its operand rather than the argument itself.
1545 2018-03-09 Jakub Jelinek <jakub@redhat.com>
1548 * decl.c (duplicate_decls): Don't override __* prefixed builtins
1549 except for __[^b]*_chk, instead issue permerror and for -fpermissive
1550 also a note and return olddecl.
1552 2018-03-09 Nathan Sidwell <nathan@acm.org>
1555 * name-lookup.c (do_pushdecl_with_scope): Only clear
1556 current_function_decl when pushing a non-class (i.e. namespace)
1559 2018-03-08 Jason Merrill <jason@redhat.com>
1560 Jakub Jelinek <jakub@redhat.com>
1563 * call.c (build_over_call): In templates set TREE_USED (first_fn) when
1564 not calling mark_used for the benefit of -Wunused-function warning.
1566 2018-03-06 Jason Merrill <jason@redhat.com>
1568 * lambda.c (is_capture_proxy_with_ref): Remove.
1569 * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
1571 2018-03-06 Marek Polacek <polacek@redhat.com>
1574 * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
1577 2018-03-06 Alexandre Oliva <aoliva@redhat.com>
1580 * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
1581 only while processing template decls.
1582 * typeck.c (build_x_conditional_expr): Move wrapping of
1583 reference type around type...
1584 * call.c (build_conditional_expr_1): ... here. Rename
1585 is_lvalue to is_glvalue.
1586 * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
1587 INDIRECT_REF of COND_EXPR too.
1590 * init.c (build_zero_init_1): Zero-initialize references.
1593 * semantics.c (finish_stmt_expr_expr): Reject unresolved
1594 overloads used as stmt expr values.
1596 2018-03-05 Jason Merrill <jason@redhat.com>
1598 PR c++/84708 - ICE with lambda in local class NSDMI.
1599 * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
1602 2018-03-05 Jakub Jelinek <jakub@redhat.com>
1605 * constexpr.c (constexpr_call_hasher::equal): Return false if
1606 lhs->hash != rhs->hash. Change return 1 to return true and
1607 return 0 to return false.
1609 2018-03-05 Nathan Sidwell <nathan@acm.org>
1612 * pt.c (process_template_arg): Mark lookup_keep on a default arg.
1614 2018-03-05 Marek Polacek <polacek@redhat.com>
1617 * decl.c (duplicate_decls): Check DECL_NAME before accessing
1620 2018-03-05 Nathan Sidwell <nathan@acm.org>
1623 * friend.c (do_friend): Restore check for identifier_p inside
1626 2018-03-05 Paolo Carlini <paolo.carlini@oracle.com>
1629 * parser.c (cp_parser_lambda_introducer): Reject any capture not
1630 involving a VAR_DECL or a PARM_DECL.
1632 2018-03-05 Pádraig Brady <P@draigBrady.com>
1633 Jason Merrill <jason@redhat.com>
1634 Nathan Sidwell <nathan@acm.org>
1637 * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
1639 2018-03-03 Jason Merrill <jason@redhat.com>
1641 PR c++/84686 - missing volatile loads.
1642 * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
1644 2018-03-03 Paolo Carlini <paolo.carlini@oracle.com>
1647 * optimize.c (maybe_thunk_body): Bail out immediately if either
1648 fns[0] or fns[1] is null.
1650 2018-03-02 Marek Polacek <polacek@redhat.com>
1653 * constexpr.c (get_array_or_vector_nelts): New.
1654 (cxx_eval_array_reference): Use it.
1655 (cxx_eval_vec_init_1): Likewise.
1656 (cxx_eval_store_expression): Likewise.
1658 2018-03-02 Jason Merrill <jason@redhat.com>
1660 * semantics.c (force_paren_expr): Remove redundant test.
1662 2018-03-02 Marek Polacek <polacek@redhat.com>
1665 * decl.c (cp_complete_array_type): Check error_mark_node.
1668 * typeck.c (cp_perform_integral_promotions): Check the result of
1671 2018-03-02 Jakub Jelinek <jakub@redhat.com>
1674 * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
1675 RETURN instead of return.
1676 <case POINTER_PLUS_EXPR>: Likewise.
1677 <case CONVERT_EXPR>: If op0 is error_mark_node, just return
1678 it instead of wrapping it into CONVERT_EXPR.
1680 2018-03-02 Jason Merrill <jason@redhat.com>
1683 * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
1685 2018-03-02 Marek Polacek <polacek@redhat.com>
1688 * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
1689 wrapped in VIEW_CONVERT_EXPR.
1691 2018-03-01 Martin Sebor <msebor@redhat.com>
1694 * decl.c (check_redeclaration_no_default_args): Merge attributes
1695 specified on redeclarations of the same function template.
1698 2018-03-01 Marek Polacek <polacek@redhat.com>
1699 Jason Merrill <jason@redhat.com>
1702 * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
1704 (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
1705 * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
1706 of instantiate_non_dependent_expr.
1707 * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
1709 2018-03-01 Nathan Sidwell <nathan@acm.org>
1712 * name-lookup.c (member_vec_dedup): Remove manually peeled
1713 iteration. Ignore dependent ctor inheritance.
1715 2018-03-01 Jason Merrill <jason@redhat.com>
1717 PR c++/71569 - decltype of template.
1718 * parser.c (cp_parser_decltype_expr): Handle missing template args.
1720 2018-03-01 Marek Polacek <polacek@redhat.com>
1723 * constexpr.c (require_rvalue_constant_expression): New function.
1724 * cp-tree.h: Declare it.
1725 * semantics.c (finish_static_assert): Use it instead of
1726 require_potential_rvalue_constant_expression.
1728 2018-03-01 Jason Merrill <jason@redhat.com>
1729 Alexandre Oliva <aoliva@redhat.com>
1731 PR c++/71569 - ICE with redundant args on member variable template.
1732 * decl.c (start_decl): Handle partial specialization of member
1734 * pt.c (determine_specialization): Allow partial specialization
1735 of member variable template without specializing enclosing class.
1736 (process_partial_specialization): Improve error message.
1738 2018-02-28 Jason Merrill <jason@redhat.com>
1740 PR c++/71784 - ICE with ref-qualifier and explicit specialization.
1741 * pt.c (determine_specialization): Check ref-qualifier.
1743 2018-02-28 Jakub Jelinek <jakub@redhat.com>
1746 * parser.c (cp_parser_attributes_opt): Formatting fix.
1747 (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
1748 cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
1750 (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
1751 instead of tentative parse to peek over optional attribute tokens
1752 to check for CPP_COLON after them.
1756 * pt.c (INCLUDE_STRING): Remove define.
1757 (warn_spec_missing_attributes): Use pretty_printer instead of
1758 std::string. Fix up inform call so that the list of attributes
1761 2018-02-28 Martin Sebor <msebor@redhat.com>
1764 * decl.c (duplicate_decls): Fully merge attributes const, pure,
1767 2018-02-28 Nathan Sidwell <nathan@acm.org>
1770 * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
1771 * name-lookup.c (fields_linear_search): Look in an anon-aggr
1772 regardless of want_type.
1773 (search_anon_aggr): Just use get_class_binding_direct.
1775 2018-02-28 Jakub Jelinek <jakub@redhat.com>
1777 * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
1780 2018-02-27 Martin Sebor <msebor@redhat.com>
1782 * pt.c: Avoid including <string> directly.
1784 2018-02-27 Martin Sebor <msebor@redhat.com>
1788 * cp-tree.h (warn_spec_missing_attributes): New function.
1789 ((check_explicit_specialization): Add an argument. Call the above
1791 * decl.c (duplicate_decls): Avoid applying primary function template's
1792 attributes to its explicit specializations.
1793 cp/pt.c (warn_spec_missing_attributes): Define.
1795 2018-02-27 HÃ¥kon Sandsmark <hsandsmark@gmail.com>
1797 PR c++/71546 - lambda init-capture with qualified-id.
1798 * parser.c (cp_parser_lambda_introducer): Clear scope after
1799 each lambda capture.
1801 2018-02-27 Nathan Sidwell <nathan@acm.org>
1804 * name-lookup.h (get_member_slot): Rename ...
1805 (find_member_slot): ... here.
1806 (add_member_slot): New.
1807 * name-lookup.c (member_vec_linear_search): No need to check for
1809 (get_member_slot): Rename ...
1810 (find_member_slot): ... here. Don't add slot for incomplete class.
1811 (add_member_slot): New.
1812 * class.c (add_method): Adjust get_member_slot rename. Bail out
1813 if push_class_level_binding fails. Create slot and grok
1814 properties once we're committed to insertion.
1816 2018-02-27 Jason Merrill <jason@redhat.com>
1818 PR c++/84489 - dependent default template argument
1819 * pt.c (type_unification_real): Handle early substitution failure.
1821 2018-02-26 Jason Merrill <jason@redhat.com>
1823 PR c++/84560 - ICE capturing multi-dimensional VLA.
1824 * tree.c (array_of_runtime_bound_p): False if the element is
1827 PR c++/84441 - ICE with base initialized from ?:
1828 * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
1830 PR c++/84520 - ICE with generic lambda in NSDMI.
1831 * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
1832 'this' in a generic lambda instantiation.
1834 PR c++/84559 - ICE with constexpr VLA.
1835 * constexpr.c (ensure_literal_type_for_constexpr_object): Check
1836 for constexpr variable with VLA type.
1838 2018-02-26 Jakub Jelinek <jakub@redhat.com>
1841 * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
1842 a valid constant initializer. Formatting fixes.
1844 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
1847 * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
1848 returning NULL_TREE.
1849 (apply_late_template_attributes): Likewise.
1851 2018-02-26 Jakub Jelinek <jakub@redhat.com>
1854 * parser.c (cp_parser_omp_var_list_no_open): Only call
1855 cp_parser_lookup_name_simple on names satisfying identifier_p.
1856 (cp_parser_oacc_routine): Likewise.
1858 2018-02-26 Jason Merrill <jason@redhat.com>
1860 PR c++/84551 - ICE with concepts and -g.
1861 * parser.c (add_debug_begin_stmt): Do nothing in a concept.
1863 2018-02-26 Marek Polacek <polacek@redhat.com>
1866 * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
1869 2018-02-26 Jason Merrill <jason@redhat.com>
1871 PR c++/84447 - ICE with deleted inherited ctor with default arg.
1872 * call.c (build_over_call): Handle deleted functions in one place.
1874 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
1877 * decl.c (redeclaration_error_message): Don't try to use
1878 DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
1880 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
1882 * lambda.c (build_capture_proxy): Define static.
1883 * cp-tree.h (build_capture_proxy): Remove.
1885 2018-02-26 Marek Polacek <polacek@redhat.com>
1888 * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
1889 if name is error node.
1891 2018-02-25 Jason Merrill <jason@redhat.com>
1893 PR c++/84015 - ICE with class deduction and auto template parm.
1894 * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
1896 2018-02-24 Marek Polacek <polacek@redhat.com>
1899 * constexpr.c (maybe_constant_init_1): New function.
1900 (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
1901 (cxx_constant_init): New function.
1902 * cp-tree.h (cxx_constant_init): Declare.
1903 * typeck2.c (store_init_value): Call cxx_constant_init instead of
1904 cxx_constant_value. Move the maybe_constant_init call under an 'else'.
1906 2018-02-22 Jason Merrill <jason@redhat.com>
1908 PR c++/70468 - ICE with constructor delegation via typedef.
1909 * pt.c (tsubst_initializer_list): Check for other mem-initializers
1910 with constructor delegation.
1912 2018-02-22 Jason Merrill <jason@redhat.com>
1914 PR c++/84424 - ICE with constexpr and __builtin_shuffle.
1915 * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
1918 2018-02-22 Marek Polacek <polacek@redhat.com>
1921 * parser.c (cp_parser_braced_list): Use require_open instead of
1924 2018-02-21 Jason Merrill <jason@redhat.com>
1926 PR c++/84454 - ICE with pack expansion in signature.
1927 * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
1929 2018-02-20 Siddhesh Poyarekar <siddhesh@sourceware.org>
1931 * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
1934 2018-02-20 Paolo Carlini <paolo.carlini@oracle.com>
1937 * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
1940 2018-02-20 Jakub Jelinek <jakub@redhat.com>
1943 * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
1944 TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
1947 * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
1948 returns error_mark_node, return it immediately.
1949 (break_out_target_exprs): If cp_walk_tree with bot_manip returns
1950 error_mark_node, return error_mark_node.
1953 * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
1954 function_depth to avoid GC during finish_lambda_function.
1956 2018-02-19 Jason Merrill <jason@redhat.com>
1958 PR c++/84429 - ICE capturing VLA.
1959 * lambda.c (build_capture_proxy): Handle reference refs.
1961 2018-02-19 Jakub Jelinek <jakub@redhat.com>
1964 * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
1965 either operand is error_mark_node, set current.lhs to that instead of
1966 creating a binary op with error_mark_node operands.
1969 * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
1971 2018-02-19 Paolo Carlini <paolo.carlini@oracle.com>
1974 * decl.c (grokdeclarator): Early return error_mark_node upon
1975 ill-formed friend declaration.
1977 2018-02-16 Marek Polacek <polacek@redhat.com>
1978 Jakub Jelinek <jakub@redhat.com>
1981 * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
1982 set *jump_target to anything if jump_target is NULL.
1984 2018-02-16 Jason Merrill <jason@redhat.com>
1986 PR c++/84151 - unnecessary volatile load with static member.
1987 * call.c (build_new_method_call_1): Avoid loading from a volatile
1988 lvalue used as the object argument for a static member function.
1990 PR c++/81853 - using-directive and constexpr.
1991 * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
1993 PR c++/84420 - ICE with structured binding in lambda.
1994 * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
1996 PR c++/83835 - C++17 error with constructor ctors.
1997 * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
1999 PR c++/82664 - ICE with reference to function template parm.
2000 * pt.c (convert_nontype_argument_function): Avoid obfuscationg
2003 PR c++/82764 - C++17 ICE with empty base
2004 * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
2006 2018-02-16 Jason Merrill <jason@redhat.com>
2008 PR c++/84421 - type-dependent if constexpr
2009 * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
2011 2018-02-16 Nathan Sidwell <nathan@acm.org>
2013 Deprecate -ffriend-injection.
2014 * decl.c (cxx_init_decl_processing): Emit warning on option.
2015 * name-lookup.c (do_pushdecl): Emit warning if we push a visible
2018 2018-02-16 Paolo Carlini <paolo.carlini@oracle.com>
2021 * decl.c (check_special_function_return_type): Reject template
2022 template parameter in deduction guide.
2024 2018-02-16 Nathan Sidwell <nathan@acm.org>
2027 * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
2029 2018-02-15 Jason Merrill <jason@redhat.com>
2031 PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
2032 * call.c (convert_like_real): Don't use the copy-list-initialization
2033 shortcut for ck_base.
2035 PR c++/84045 - ICE with typedef and noexcept.
2036 * except.c (build_noexcept_spec): Use strip_typedefs_expr.
2038 PR c++/84376 - ICE with omitted template arguments.
2039 * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
2041 PR c++/84368 - wrong error with local variable in variadic lambda.
2042 * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
2043 local_specializations.
2045 2018-02-15 Paolo Carlini <paolo.carlini@oracle.com>
2048 * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
2051 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
2054 * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
2057 2018-02-14 Nathan Sidwell <nathan@acm.org>
2059 * decl2.c (mark_vtable_entries): Set input_location to decl's.
2060 (c_parse_final_cleanups): Restore input_location after emitting
2063 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
2065 * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
2066 (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
2067 auto_deduction_context, tree, int): Add defaults.
2068 * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
2069 (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
2070 tsubst_flags_t argument.
2071 * init.c (build_new): Likewise.
2073 2018-02-13 Jakub Jelinek <jakub@redhat.com>
2076 * typeck.c (check_return_expr): Don't emit -Weffc++ warning
2077 about return other than *this in assignment operators if
2078 retval is type dependent expression.
2080 2018-02-13 Paolo Carlini <paolo.carlini@oracle.com>
2083 * call.c (build_conditional_expr_1): Use cp_save_expr instead of
2084 save_expr for the G++ extension.
2086 2018-02-13 Jason Merrill <jason@redhat.com>
2088 PR c++/84080 - ICE with return type deduction and specialization.
2089 * pt.c (determine_specialization): Check uses_template_parms.
2091 Fix more variadic capture issues.
2092 * pt.c (find_parameter_packs_r): Also look at explicit captures.
2093 (check_for_bare_parameter_packs): Check current_class_type for
2095 (extract_locals_r): Handle seeing a full instantiation of a pack.
2096 (tsubst_pack_expansion): Likewise. Force lambda capture.
2097 * parser.c (cp_parser_lambda_introducer): Don't
2098 check_for_bare_parameter_packs.
2100 PR c++/84338 - wrong variadic sizeof.
2101 * pt.c (argument_pack_select_arg): Like the macro, but look through
2103 (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
2104 (extract_fnparm_pack): Do make_pack_expansion.
2105 (extract_locals_r): Do strip a pack expansion.
2106 * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
2108 2018-02-12 Jakub Jelinek <jakub@redhat.com>
2111 * parser.c (cp_parser_binary_expression): Use build_min instead of
2112 build2_loc to build the no_toplevel_fold_p toplevel binary expression.
2114 2018-02-12 Nathan Sidwell <nathan@acm.org>
2117 * parser.c (cp_parser_decltype): Push and pop
2118 deferring_access_checks. Reorganize to avoid goto.
2120 2018-02-12 Richard Biener <rguenther@suse.de>
2123 * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
2124 uniform constructors and delay allocating them fully.
2126 2018-02-09 Jason Merrill <jason@redhat.com>
2128 PR c++/84036 - ICE with variadic capture.
2129 Handle variadic capture proxies more like non-variadic.
2130 * lambda.c (build_capture_proxy): Remove workaround.
2131 * pt.c (find_parameter_packs_r): The proxy is a pack.
2132 (instantiate_class_template_1): Remove dead lambda code.
2133 (extract_fnparm_pack): Don't make_pack_expansion.
2134 (extract_locals_r): Don't strip a pack expansion.
2135 (tsubst_pack_expansion): Handle proxy packs. Use
2136 PACK_EXPANSION_EXTRA_ARGS less.
2137 (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
2138 (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
2139 [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
2140 (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
2141 (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
2143 2018-02-10 Jakub Jelinek <jakub@redhat.com>
2146 * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
2148 2018-02-09 Jason Merrill <jason@redhat.com>
2150 PR c++/81917 - ICE with void_t and partial specialization.
2151 * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
2152 calling most_specialized_partial_spec.
2154 2018-02-09 Nathan Sidwell <nathan@acm.org>
2157 * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
2158 Pass expr location to strict_aliasing_warning.
2160 2018-02-09 Jason Merrill <jason@redhat.com>
2162 PR c++/84296 - ICE with qualified-id in template.
2164 * pt.c (unknown_base_ref_p): New.
2165 (instantiation_dependent_scope_ref_p): Use it instead of
2166 any_dependent_bases_p.
2168 2018-02-09 Marek Polacek <polacek@redhat.com>
2169 Jakub Jelinek <jakub@redhat.com>
2172 * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
2173 fold_indirect_ref_1, including poly_*int64. Verify first that
2174 tree_fits_poly_int64_p (op01). Formatting fixes.
2176 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
2178 * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
2179 * lambda.c (build_capture_proxy): Likewise.
2180 * search.c (field_access_p): Likewise.
2181 * semantics.c (omp_clause_decl, omp_privatize_field,
2182 finish_omp_clauses): Likewise.
2184 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
2187 * typeck.c (decay_conversion): Use mark_rvalue_use for the special
2188 case of nullptr too.
2190 2018-02-08 Nathan Sidwell <nathan@acm.org>
2192 * class.c (finish_struct): Fix std:initializer_list diagnostic
2195 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
2198 * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
2200 2018-02-07 Jakub Jelinek <jakub@redhat.com>
2203 * parser.c (cp_parser_dot_deref_incomplete): New function.
2204 (cp_parser_postfix_dot_deref_expression): Use it.
2206 2018-02-07 David Malcolm <dmalcolm@redhat.com>
2210 * name-lookup.c (suggest_rid_p): New function.
2211 (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
2214 2018-02-07 Jason Merrill <jason@redhat.com>
2216 PR c++/84182 - ICE with captured lambda
2218 * pt.c (extract_locals_r, extract_local_specs): New.
2219 (tsubst_pack_expansion): Use them.
2221 2018-02-07 Martin Liska <mliska@suse.cz>
2224 * class.c (add_method): Append argument value.
2225 * cp-tree.h (maybe_version_functions): Add new argument.
2226 * decl.c (decls_match): Call it if a declaration does not
2227 have DECL_FUNCTION_VERSIONED.
2228 (maybe_version_functions): record argument is added.
2230 2018-02-05 Marek Polacek <polacek@redhat.com>
2232 * class.c: Remove unused global variables.
2233 (build_primary_vtable): Don't gather statistics.
2234 (print_class_statistics): Remove.
2235 * cp-tree.h (print_class_statistics): Remove.
2236 * tree.c (cxx_print_statistics): Don't call print_class_statistics.
2238 2018-02-02 Paolo Carlini <paolo.carlini@oracle.com>
2240 * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
2241 * constexpr.c (cx_check_missing_mem_inits): Likewise.
2242 * decl.c (next_initializable_field, find_decomp_class_base,
2243 cp_finish_decomp): Likewise.
2244 * typeck2.c (process_init_constructor_record): Likewise.
2246 2018-02-02 Jason Merrill <jason@redhat.com>
2248 PR c++/84181 - ICE with lambda parm in template argument.
2249 * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
2251 2018-02-01 Jason Merrill <jason@redhat.com>
2253 PR c++/84160 - ICE with nested variadic capture.
2254 * lambda.c (is_capture_proxy_with_ref): New.
2255 (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
2257 * expr.c (mark_use): Use is_capture_proxy_with_ref.
2258 * constexpr.c (potential_constant_expression_1): Likewise.
2259 * semantics.c (process_outer_var_ref): Likewise.
2261 2018-02-01 Marek Polacek <polacek@redhat.com>
2264 * typeck.c (build_address): Relax the assert when
2265 processing_template_decl.
2267 2018-02-01 Jason Merrill <jason@redhat.com>
2269 PR c++/84126 - ICE with variadic generic lambda
2272 * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
2273 PACK_EXPANSION_EXTRA_ARGS.
2275 2018-02-01 Paolo Carlini <paolo.carlini@oracle.com>
2278 * call.c (convert_like_real): If w're initializing from {} explicitly
2279 call abstract_virtuals_error_sfinae.
2281 2018-01-31 Jason Merrill <jason@redhat.com>
2282 Jakub Jelinek <jakub@redhat.com>
2285 * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
2286 around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
2289 2018-01-31 Jakub Jelinek <jakub@redhat.com>
2292 * constexpr.c (diag_array_subscript): Emit different diagnostics
2293 if TYPE_DOMAIN (arraytype) is NULL.
2294 (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
2295 with NULL TYPE_DOMAIN use size_zero_node as nelts.
2297 2018-01-31 Paolo Carlini <paolo.carlini@oracle.com>
2300 * semantics.c (finish_qualified_id_expr): When handling an
2301 UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
2303 2018-01-31 Marek Polacek <polacek@redhat.com>
2306 * cp-gimplify.c (cp_fold): Check if X is an error node before
2307 calling useless_type_conversion_p.
2309 2018-01-30 Jason Merrill <jason@redhat.com>
2311 PR c++/84091 - ICE with local class in lambda in template.
2312 * decl2.c (determine_visibility): Look for outer containing template
2315 PR c++/84098 - ICE with lambda in template NSDMI.
2316 * pt.c (instantiate_class_template_1): Ignore more lambdas.
2318 2018-01-29 Jason Merrill <jason@redhat.com>
2320 PR c++/68810 - wrong location for reinterpret_cast error.
2321 * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
2324 2018-01-29 Marek Polacek <polacek@redhat.com>
2327 * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
2328 => fooarray[1] in offset_int.
2330 2018-01-29 Jason Merrill <jason@redhat.com>
2332 PR c++/83942 - wrong unused warning with static_cast.
2333 * cvt.c (ocp_convert): Call mark_rvalue_use.
2335 2018-01-26 Jason Merrill <jason@redhat.com>
2337 PR c++/83956 - wrong dtor error with anonymous union
2338 * method.c (walk_field_subobs): Variant members only affect
2340 (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
2342 PR c++/84036 - ICE with variadic capture.
2344 * pt.c (tsubst_pack_expansion): When optimizing a simple
2345 substitution, pull a single pack expansion out of its pack.
2347 PR c++/82514 - ICE with local class in generic lambda.
2348 * pt.c (regenerated_lambda_fn_p): Remove.
2349 (enclosing_instantiation_of): Don't use it.
2350 (tsubst_function_decl): Call enclosing_instantiation_of.
2352 * pt.c (lookup_template_class_1): Add sanity check.
2353 * name-lookup.c (do_pushtag): Don't add closures to local_classes.
2355 2018-01-25 Jakub Jelinek <jakub@redhat.com>
2358 * decl.c (find_decomp_class_base): Ignore unnamed bitfields. Ignore
2359 recursive calls that return ret.
2360 (cp_finish_decomp): Ignore unnamed bitfields.
2362 2018-01-23 Jason Merrill <jason@redhat.com>
2364 PR c++/82249 - wrong mismatched pack length error.
2365 * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
2366 unsubstituted function parameter pack.
2368 2018-01-23 Paolo Carlini <paolo.carlini@oracle.com>
2371 * decl.c (check_for_uninitialized_const_var): Not static; add
2372 bool and tsubst_flags_t parameters; adjust to be used both in
2373 constexpr context and not.
2374 * constexpr.c (potential_constant_expression_1): Use the above.
2375 * cp-tree.h (check_for_uninitialized_const_var): Declare.
2377 2018-01-23 Jason Merrill <jason@redhat.com>
2379 PR c++/83947 - ICE with auto declarations.
2380 * pt.c (do_auto_deduction): Don't deduce from an auto decl.
2381 * decl.c (undeduced_auto_decl): Limit to vars and fns.
2383 2018-01-23 David Malcolm <dmalcolm@redhat.com>
2386 * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
2387 for pointer to member function types.
2389 2018-01-23 Jakub Jelinek <jakub@redhat.com>
2392 * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
2393 DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
2395 2018-01-23 Nathan Sidwell <nathan@acm.org>
2398 * pt.c (tsubst_baselink): Remove optype assert.
2399 * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
2401 2018-01-23 Jakub Jelinek <jakub@redhat.com>
2404 * decl.c (cp_finish_decomp): Diagnose if reference structure binding
2405 refers to incomplete type.
2407 2018-01-23 Nathan Sidwell <nathan@acm.org>
2409 Deprecate ARM-era for scope handling
2410 * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
2411 (cxx_init_decl_processing): Deprecate flag_new_for_scope being
2413 * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
2415 * semantics.c (begin_for_scope): Flag_new_for_scope is
2417 (finish_for_stmt, begin_range_for_stmt): Likewise.
2419 2018-01-22 Jason Merrill <jason@redhat.com>
2422 * decl2.c (determine_visibility): Fix template_decl handling
2423 instead of blocking it.
2425 PR c++/83720 - ICE with lambda and LTO.
2426 * decl2.c (determine_visibility): Clear template_decl for
2427 function-scope decls. Propagate anonymous linkage from containing
2430 2018-01-22 Marek Polacek <polacek@redhat.com>
2433 * typeck2.c (split_nonconstant_init_1): Return false if we didn't
2436 2018-01-22 Ville Voutilainen <ville.voutilainen@gmail.com>
2439 * decl.c (grokdeclarator): Don't diagnose extra parens
2442 2018-01-19 Jakub Jelinek <jakub@redhat.com>
2445 * call.c (joust): Use TREE_TYPE (source) if source is
2446 a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
2449 * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
2450 for direct enum init.
2451 * decl.c (reshape_init): Likewise.
2453 2018-01-19 Marek Polacek <polacek@redhat.com>
2455 * constexpr.c (fold_simple): Simplify.
2457 2018-01-18 Jason Merrill <jason@redhat.com>
2460 * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
2461 * pt.c (instantiation_dependent_scope_ref_p): True if
2462 any_dependent_bases_p.
2464 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
2466 * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
2467 vs DECL_NONTRIVIALLY_INITIALIZED_P).
2469 2018-01-18 Jason Merrill <jason@redhat.com>
2471 PR c++/82461 - constexpr list-initialized member
2472 * constexpr.c (potential_constant_expression_1): Check
2473 TARGET_EXPR_DIRECT_INIT_P.
2475 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
2478 * decl.c (xref_basetypes): Early return upon error about derived
2481 2018-01-18 Nathan Sidwell <nathan@acm.org>
2484 * cp-tree.h (mark_use): Declare.
2485 * expr.c (mark_use): Make extern.
2486 * call.c (direct_reference_binding): Set inner conv's
2487 rvaluedness_matches_p, if it is an identity.
2488 (convert_like_real): Mark lvalue or rvalue use for identity as
2489 rvaledness_matches_p demands.
2491 2018-01-18 Jakub Jelinek <jakub@redhat.com>
2494 * parser.c (attr_chainon): New function.
2495 (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
2496 cp_parser_namespace_definition, cp_parser_init_declarator,
2497 cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
2498 cp_parser_gnu_attributes_opt): Use it.
2499 (cp_parser_member_declaration, cp_parser_objc_class_ivars,
2500 cp_parser_objc_struct_declaration): Likewise. Don't reset
2501 prefix_attributes if attributes is error_mark_node.
2503 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
2506 * decl.c (grokdeclarator): Do not append the error_mark_node
2507 due to an erroneous optional attribute-specifier-seq.
2509 2018-01-17 Jakub Jelinek <jakub@redhat.com>
2512 * cp-gimplify.c (cp_maybe_instrument_return): Handle
2515 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
2518 * constexpr.c (ensure_literal_type_for_constexpr_object): Return
2519 error_mark_node when we give an error.
2520 * decl.c (cp_finish_decl): Use the latter.
2522 2018-01-17 Nathan Sidwell <nathan@acm.org>
2525 * init.c (build_raw_new_expr): Scan list for lookups to keep.
2527 2018-01-17 David Malcolm <dmalcolm@redhat.com>
2530 * expr.c (fold_for_warn): Move from c-common.c, reducing to just
2531 the C++ part. If processing a template, call
2532 fold_non_dependent_expr rather than fully folding.
2534 2018-01-17 Jason Merrill <jason@redhat.com>
2536 PR c++/81067 - redundant NULL warning.
2537 * call.c (convert_like_real): Restore null_node handling.
2539 2018-01-17 Jason Merrill <jason@redhat.com>
2541 PR c++/81843 - ICE with variadic member template.
2543 * pt.c (unify_pack_expansion): Don't try to deduce enclosing
2546 2018-01-17 David Malcolm <dmalcolm@redhat.com>
2549 * pt.c (type_dependent_expression_p): Strip any location wrapper
2550 before testing tree codes.
2551 (selftest::test_type_dependent_expression_p): New function.
2552 (selftest::cp_pt_c_tests): Call it.
2554 2018-01-17 Nathan Sidwell <nathan@acm.org>
2557 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
2558 this not a final instantiation.
2560 2018-01-16 Jason Merrill <jason@redhat.com>
2562 PR c++/83714 - ICE checking return in template.
2563 * typeck.c (check_return_expr): Call build_non_dependent_expr.
2565 2018-01-16 Jakub Jelinek <jakub@redhat.com>
2568 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
2569 is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
2570 instead of CALL_FROM_THUNK_P.
2573 * name-lookup.c (member_vec_dedup): Return early if len is 0.
2574 (resort_type_member_vec, set_class_bindings,
2575 insert_late_enum_def_bindings): Use vec qsort method instead of
2576 calling qsort directly.
2578 2018-01-15 Martin Sebor <msebor@redhat.com>
2581 * class.c (find_flexarrays): Make a record of multiple flexible array
2584 2018-01-12 Jason Merrill <jason@redhat.com>
2586 PR c++/83186 - ICE with static_cast of list-initialized temporary.
2587 * typeck.c (build_static_cast): Use build_non_dependent_expr.
2589 2018-01-12 Nathan Sidwell <nathan@acm.org>
2591 * cp-tree.h (mark_rvalue_use): Add parm name.
2592 * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
2594 * call.c (convert_like_real): Fix formatting.
2596 2018-01-11 Jason Merrill <jason@redhat.com>
2598 PR c++/82728 - wrong -Wunused-but-set-variable
2601 * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
2602 * decl.c (case_conversion): Likewise.
2603 * semantics.c (finish_static_assert): Call
2604 perform_implicit_conversion_flags.
2606 2018-01-11 Nathan Sidwell <nathan@acm.org>
2608 * method.c (enum mangling_flags): Delete long-dead enum.
2610 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
2612 * parser.c (cp_parser_std_attribute_spec): When
2613 token_pair::require_open / require_close return false simply
2614 return error_mark_node, avoid duplicate cp_parser_error about
2615 expected '(' / ')', respectively.
2617 2018-01-10 David Malcolm <dmalcolm@redhat.com>
2620 * call.c (null_ptr_cst_p): Strip location wrappers when
2621 converting from '0' to a pointer type in C++11 onwards.
2622 (conversion_null_warnings): Replace comparison with null_node with
2623 call to null_node_p.
2624 (build_over_call): Likewise.
2625 * cp-gimplify.c (cp_fold): Remove the early bailout when
2626 processing_template_decl.
2627 * cp-lang.c (selftest::run_cp_tests): Call
2628 selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
2629 * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
2630 (selftest::run_cp_tests): Move decl to bottom of file.
2631 (null_node_p): New inline function.
2632 (selftest::cp_pt_c_tests): New decl.
2633 (selftest::cp_tree_c_tests): New decl.
2634 * cvt.c (build_expr_type_conversion): Replace comparison with
2635 null_node with call to null_node_p.
2636 * error.c (args_to_string): Likewise.
2637 * except.c (build_throw): Likewise.
2638 * mangle.c (write_expression): Skip location wrapper nodes.
2639 * parser.c (literal_integer_zerop): New function.
2640 (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
2641 the result for RID_TYPEID. Pass true for new "wrap_locations_p"
2642 param of cp_parser_parenthesized_expression_list. When calling
2643 warn_for_memset, replace integer_zerop calls with
2644 literal_integer_zerop, eliminating the double logical negation
2645 cast to bool. Eliminate the special-casing for CONST_DECL in
2646 favor of the fold_for_warn within warn_for_memset.
2647 (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
2648 param, defaulting to false. Convert "expr" to a cp_expr, and call
2649 maybe_add_location_wrapper on it when wrap_locations_p is true.
2650 (cp_parser_unary_expression): Call maybe_add_location_wrapper on
2651 the result for RID_ALIGNOF and RID_SIZEOF.
2652 (cp_parser_builtin_offsetof): Likewise.
2653 * pt.c: Include "selftest.h".
2654 (tsubst_copy): Handle location wrappers.
2655 (tsubst_copy_and_build): Likewise.
2656 (build_non_dependent_expr): Likewise.
2657 (selftest::test_build_non_dependent_expr): New function.
2658 (selftest::cp_pt_c_tests): New function.
2659 * tree.c: Include "selftest.h".
2660 (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
2661 (selftest::test_lvalue_kind): New function.
2662 (selftest::cp_tree_c_tests): New function.
2663 * typeck.c (string_conv_p): Strip any location wrapper from "exp".
2664 (cp_build_binary_op): Replace comparison with null_node with call
2666 (build_address): Use location of operand when building address
2669 2018-01-10 Marek Polacek <polacek@redhat.com>
2672 * call.c (build_conditional_expr_1): Check complain before warning.
2673 * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
2674 -Wduplicated-branches.
2676 2018-01-10 Jakub Jelinek <jakub@redhat.com>
2679 * call.c (maybe_warn_class_memaccess): Add forward declaration.
2680 Change last argument from tree * to const vec<tree, va_gc> *, adjust
2681 args uses and check number of operands too. Don't strip away any
2682 nops. Use maybe_constant_value when looking for INTEGER_CST args.
2683 Deal with src argument not having pointer type. Check
2684 tree_fits_uhwi_p before calling tree_to_uhwi. Remove useless
2686 (build_over_call): Call maybe_warn_class_memaccess here on the
2688 (build_cxx_call): Rather than here on converted arguments.
2690 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
2693 * init.c (build_vec_init): Avoid building an INIT_EXPR with
2694 error_mark_node as second argument.
2696 2018-01-09 Jakub Jelinek <jakub@redhat.com>
2699 * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
2700 in STATEMENT_LIST. Remove unneeded assert.
2702 2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
2703 Alan Hayward <alan.hayward@arm.com>
2704 David Sherwood <david.sherwood@arm.com>
2706 * constexpr.c (cxx_eval_array_reference): Handle polynomial
2708 (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
2709 * call.c (build_conditional_expr_1): Likewise.
2710 * decl.c (cp_finish_decomp): Likewise.
2711 * mangle.c (write_type): Likewise.
2712 * typeck.c (structural_comptypes): Likewise.
2713 (cp_build_binary_op): Likewise.
2714 * typeck2.c (process_init_constructor_array): Likewise.
2716 2018-01-03 Jakub Jelinek <jakub@redhat.com>
2719 * typeck.c (build_static_cast_1): For static casts to reference types,
2720 call build_base_path with flag_delete_null_pointer_checks as nonnull
2721 instead of always false. When -fsanitize=null, call
2722 ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
2723 * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
2724 call if the first argument is INTEGER_CST with REFERENCE_TYPE.
2726 2018-01-03 Nathan Sidwell <nathan@acm.org>
2729 * method.c (make_alias_for): Copy DECL_CONTEXT.
2731 2018-01-03 Marek Polacek <polacek@redhat.com>
2734 * decl.c (grokdeclarator): Don't warn about MVP in typename context.
2736 2018-01-03 Jakub Jelinek <jakub@redhat.com>
2738 PR preprocessor/83602
2739 * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
2743 * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
2744 error_mark_node, return error_mark_node.
2746 Update copyright years.
2748 2018-01-02 Jakub Jelinek <jakub@redhat.com>
2751 * tree.c (replace_placeholders_r): Pass NULL as last argument to
2752 cp_walk_tree instead of d->pset. If non-TREE_CONSTANT and
2753 non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
2754 to false and return.
2755 (replace_placeholders): Pass NULL instead of &pset as last argument
2758 2018-01-02 Nathan Sidwell <nathan@acm.org>
2760 * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
2763 Copyright (C) 2018 Free Software Foundation, Inc.
2765 Copying and distribution of this file, with or without modification,
2766 are permitted in any medium without royalty provided the copyright
2767 notice and this notice are preserved.