1 2018-05-29 Jakub Jelinek <jakub@redhat.com>
4 * init.c (build_aggr_init): For structured binding initialized from
5 array call mark_rvalue_use on the initializer.
7 2018-05-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
9 * decl2.c (start_static_storage_duration_function): Use
10 splay_tree_delete_pointers.
12 2018-05-25 Jason Merrill <jason@redhat.com>
14 PR c++/85815 - reference to member of enclosing template.
15 * search.c (lookup_base): Use currently_open_class.
16 (lookup_member): Use it regardless of -fconcepts.
17 * parser.c (cp_parser_postfix_dot_deref_expression): Check it.
19 CWG 616, 1213 - value category of subobject references.
20 * tree.c (lvalue_kind): Fix handling of ARRAY_REF of pointer.
22 2018-05-24 Jason Merrill <jason@redhat.com>
24 PR c++/85842 - -Wreturn-type, constexpr if and generic lambda.
25 * pt.c (tsubst_lambda_expr): Copy current_function_returns_* to
28 2018-05-24 Ville Voutilainen <ville.voutilainen@gmail.com>
30 Pedwarn on a non-standard position of a C++ attribute.
31 * parser.c (cp_parser_namespace_definition): Pedwarn about attributes
32 after the namespace name.
34 2018-05-24 Paolo Carlini <paolo.carlini@oracle.com>
36 * cp-tree.h (INDIRECT_TYPE_P): New.
37 * call.c (build_trivial_dtor_call, maybe_warn_class_memaccess,
38 joust): Use it instead of POINTER_TYPE_P.
39 * class.c (update_vtable_entry_for_fn, find_flexarrays,
40 * fixed_type_or_null, resolves_to_fixed_type_p): Likewise.
41 * constexpr.c (cxx_eval_binary_expression, cxx_fold_indirect_ref,
42 * cxx_eval_increment_expression, potential_constant_expression_1):
44 * cp-gimplify.c (cp_gimplify_expr, cp_genericize_r): Likewise.
45 * cp-objcp-common.c (cxx_get_alias_set): Likewise.
46 * cp-ubsan.c (cp_ubsan_maybe_instrument_member_call,
47 cp_ubsan_maybe_instrument_downcast): Likewise.
48 * cvt.c (cp_convert_to_pointer, ocp_convert,
49 cp_get_fndecl_from_callee, maybe_warn_nodiscard, convert): Likewise.
50 * cxx-pretty-print.c (cxx_pretty_printer::abstract_declarator,
51 pp_cxx_offsetof_expression_1): Likewise.
52 * decl.c (grokparms, static_fn_type): Likewise.
53 * decl2.c (grokbitfield): Likewise.
54 * error.c (dump_expr): Likewise.
55 * except.c (initialize_handler_parm, check_noexcept_r): Likewise.
56 * init.c (warn_placement_new_too_small): Likewise.
57 * lambda.c (build_capture_proxy, add_capture): Likewise.
58 * parser.c (cp_parser_omp_for_loop): Likewise.
59 * pt.c (convert_nontype_argument, fn_type_unification,
60 uses_deducible_template_parms, check_cv_quals_for_unify,
61 dependent_type_p_r): Likewise.
62 * search.c (check_final_overrider): Likewise.
63 * semantics.c (handle_omp_array_sections, finish_omp_clauses,
64 finish_omp_for): Likewise.
65 * tree.c (cp_build_qualified_type_real): Likewise.
66 * typeck.c (build_class_member_access_expr,
67 finish_class_member_access_expr, build_x_indirect_ref,
68 cp_build_indirect_ref_1, cp_build_binary_op, build_const_cast_1):
71 2018-05-24 Jason Merrill <jason@redhat.com>
73 PR c++/85864 - literal template and default template arg.
74 * pt.c (instantiation_dependent_r): Handle NONTYPE_ARGUMENT_PACK.
76 2018-05-24 Marek Polacek <polacek@redhat.com>
79 * init.c (build_new_1): Use fold_non_dependent_expr. Use a dedicated
80 variable for its result. Fix a condition.
81 (build_new): Use fold_non_dependent_expr. Tweak a condition.
83 2018-05-23 Jason Merrill <jason@redhat.com>
85 Fix cast to rvalue reference from prvalue.
86 * cvt.c (diagnose_ref_binding): Handle rvalue reference.
87 * rtti.c (build_dynamic_cast_1): Don't try to build a reference to
88 non-class type. Handle xvalue argument.
89 * typeck.c (build_reinterpret_cast_1): Allow cast from prvalue to
91 * semantics.c (finish_compound_literal): Do direct-initialization,
92 not cast, to initialize a reference.
94 CWG 616, 1213 - value category of subobject references.
95 * tree.c (lvalue_kind): A reference to a subobject of a prvalue is
97 * typeck2.c (build_m_component_ref): Likewise.
98 * typeck.c (cp_build_addr_expr_1, lvalue_or_else): Remove diagnostic
99 distinction between temporary and xvalue.
101 2018-05-23 Marek Polacek <polacek@redhat.com>
103 Implement P0614R1, Range-based for statements with initializer.
104 * parser.c (cp_parser_range_based_for_with_init_p): New.
105 (cp_parser_init_statement): Use it. Parse the optional init-statement
106 for a range-based for loop.
107 (cp_parser_skip_to_closing_parenthesis_1): Handle balancing ?:.
109 2018-05-22 Jason Merrill <jason@redhat.com>
111 PR c++/81420 - not extending temporary lifetime.
112 * call.c (extend_ref_init_temps_1): Handle ARRAY_REF.
113 * class.c (build_base_path): Avoid redundant move of an rvalue.
115 PR c++/85866 - error with .* in default template arg.
116 * pt.c (tsubst_copy_and_build): Handle partial instantiation.
118 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
120 * parser.c (cp_parser_parameter_declaration_list): Remove
122 (cp_parser_parameter_declaration_clause): Adjust.
123 (cp_parser_cache_defarg): Likewise.
125 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
128 * parser.c (cp_parser_maybe_commit_to_declaration,
129 cp_parser_check_condition_declarator): New.
130 (cp_parser_simple_declaration): Use the first above.
131 (cp_parser_condition): Use both the above; enforce
132 [stmt.stmt]/2 about the declarator not specifying
133 a function or an array; improve error-recovery.
135 2018-05-20 Jason Merrill <jason@redhat.com>
137 PR libstdc++/85843 - warning in logic_error copy constructor.
138 * class.c (type_has_user_nondefault_constructor): Check for a
139 user-provided ctor, not user-declared.
141 2018-05-19 Jason Merrill <jason@redhat.com>
143 * pt.c (tsubst_pack_expansion): Sorry rather than abort
144 on __integer_pack as subexpression of pattern.
146 2018-05-18 Jason Merrill <jason@redhat.com>
148 PR c++/58407 - deprecated implicit copy ops.
149 * call.c (build_over_call): Warn about deprecated trivial fns.
150 * class.c (classtype_has_user_copy_or_dtor): New.
151 (type_build_ctor_call): Check TREE_DEPRECATED.
152 (type_build_dtor_call): Likewise.
153 * decl2.c (cp_warn_deprecated_use): Move from tree.c.
154 Add checks. Return bool. Handle -Wdeprecated-copy.
156 * decl.c (grokdeclarator): Remove redundant checks.
157 * typeck2.c (build_functional_cast): Likewise.
158 * method.c (lazily_declare_fn): Mark deprecated copy ops.
159 * init.c (build_aggr_init): Only set TREE_USED if there are
162 2018-05-18 Cesar Philippidis <cesar@codesourcery.com>
165 * cp-gimplify.c (cp_genericize_r): Call genericize_omp_for_stmt for
168 2018-05-18 Richard Sandiford <richard.sandiford@linaro.org>
170 * constexpr.c (cxx_eval_constant_expression): Remove FMA_EXPR handling.
171 (potential_constant_expression_1): Likewise.
173 2018-05-16 Marek Polacek <polacek@redhat.com>
176 * call.c (set_flags_from_callee): Handle AGGR_INIT_EXPRs too.
177 * tree.c (bot_manip): Call set_flags_from_callee for
180 2018-05-15 Jason Merrill <jason@redhat.com>
182 * cp-tree.h (cp_expr): Remove copy constructor.
183 * mangle.c (struct releasing_vec): Declare copy constructor.
185 * constexpr.c (cxx_eval_vec_init_1): Pass tf_none if ctx->quiet.
187 PR c++/64372 - CWG 1560, gratuitous lvalue-rvalue conversion in ?:
188 * call.c (build_conditional_expr_1): Don't force_rvalue when one arm
189 is a throw-expression.
191 2018-05-15 Paolo Carlini <paolo.carlini@oracle.com>
193 * cp-tree.h (DECL_MAYBE_IN_CHARGE_CDTOR_P): New.
194 (FOR_EACH_CLONE): Update.
195 * decl.c (grokdeclarator): Use it.
196 * decl2.c (vague_linkage_p): Likewise.
197 * mangle.c (mangle_decl): Likewise.
198 * method.c (lazily_declare_fn): Likewise.
199 * optimize.c (can_alias_cdtor, maybe_clone_body): Likewise.
200 * repo.c (repo_emit_p): Likewise.
201 * tree.c (decl_linkage): Likewise.
203 2018-05-14 Jason Merrill <jason@redhat.com>
205 Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
206 * tree.c (build_cp_fntype_variant): New.
207 (build_ref_qualified_type, build_exception_variant)
208 (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
209 (cxx_type_hash_eq, cp_check_qualified_type): Check
210 TYPE_HAS_LATE_RETURN_TYPE.
211 (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
212 (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
213 * class.c (build_clone): Use cxx_copy_lang_qualifiers.
214 (adjust_clone_args): Likewise.
215 * decl.c (grokfndecl): Add late_return_type_p parameter. Use
216 build_cp_fntype_variant.
217 (grokdeclarator): Pass late_return_type_p to grokfndecl.
218 (check_function_type): Use cxx_copy_lang_qualifiers.
219 (static_fn_type): Use cxx_copy_lang_qualifiers.
220 * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
221 (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
222 (change_return_type): Use cxx_copy_lang_qualifiers.
223 * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
224 * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
225 return type on the declarator like a normal trailing return type.
226 * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
227 (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
228 * typeck.c (merge_types): Use build_cp_fntype_variant.
230 2018-05-14 Paolo Carlini <paolo.carlini@oracle.com>
232 * cp-tree.h (TYPE_REF_P): New.
233 (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
234 * call.c (build_list_conv, build_aggr_conv, standard_conversion,
235 direct_reference_binding, reference_binding, implicit_conversion,
236 add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
237 build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
238 build_over_call, perform_implicit_conversion_flags,
239 extend_ref_init_temps, type_has_extended_temps): Use it.
240 * class.c (one_inheriting_sig, check_field_decls,
241 check_bases_and_members, find_flexarrays, finish_struct,
242 fixed_type_or_null): Likewise.
243 * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
244 non_const_var_error, cxx_eval_constant_expression,
245 potential_constant_expression_1): Likewise.
246 * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
247 cp_genericize_r, cxx_omp_privatize_by_reference,
248 cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
249 cp_fold_maybe_rvalue): Likewise.
250 * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
251 * cvt.c (build_up_reference, convert_to_reference,
252 convert_from_reference, convert_to_void, noexcept_conv_p,
253 fnptr_conv_p): Likewise.
254 * decl.c (poplevel, check_for_uninitialized_const_var,
255 check_initializer, initialize_local_var, cp_finish_decl,
256 get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
257 move_signature_fn_p, grok_op_properties, finish_function): Likewise.
258 * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
259 decl_maybe_constant_var_p): Likewise.
260 * error.c (dump_type_prefix, dump_expr): Likewise.
261 * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
262 is_admissible_throw_operand_or_catch_parameter): Likewise.
263 * expr.c (mark_use): Likewise.
264 * init.c (build_zero_init_1, build_value_init_noctor,
265 perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
266 build_new, build_delete): Likewise.
267 * lambda.c (build_lambda_object): Likewise.
268 * mangle.c (write_expression, write_template_arg): Likewise.
269 * method.c (forward_parm, do_build_copy_constructor,
270 do_build_copy_assign, build_stub_object, constructible_expr,
271 walk_field_subobs): Likewise.
272 * parser.c (cp_parser_omp_for_loop_init,
273 cp_parser_omp_declare_reduction_exprs,
274 cp_parser_omp_declare_reduction): Likewise.
275 * pt.c (convert_nontype_argument_function, convert_nontype_argument,
276 convert_template_argument, tsubst_pack_expansion,
277 tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
278 maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
279 more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
280 value_dependent_expression_p, build_deduction_guide): Likewise.
281 * semantics.c (finish_handler_parms, finish_non_static_data_member,
282 finish_compound_literal, omp_privatize_field,
283 handle_omp_array_sections_1, handle_omp_array_sections,
284 cp_check_omp_declare_reduction, finish_omp_reduction_clause,
285 finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
286 finish_omp_clauses, finish_decltype_type, capture_decltype,
287 finish_builtin_launder): Likewise.
288 * tree.c (lvalue_kind, cp_build_reference_type, move,
289 cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
290 * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
291 cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
292 cp_build_addr_expr_1, maybe_warn_about_useless_cast,
293 build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
294 build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
295 convert_for_initialization,
296 maybe_warn_about_returning_address_of_local, check_return_expr,
297 cp_type_quals, casts_away_constness, non_reference): Likewise.
298 * typeck2.c (cxx_readonly_error, store_init_value,
299 process_init_constructor_record, build_x_arrow, build_functional_cast,
300 add_exception_specifier): Likewise.
302 2018-05-14 Jason Merrill <jason@redhat.com>
304 * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
305 (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
307 2018-05-11 Jakub Jelinek <jakub@redhat.com>
310 * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
311 * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
312 cxx_omp_predetermined_sharing_1. Rename old function to ...
313 (cxx_omp_predetermined_sharing_1): ... this.
314 * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
315 instead of cxx_omp_predetermined_sharing.
317 2018-05-10 Jason Merrill <jason@redhat.com>
319 * decl.c (cp_finish_decl): Don't instantiate auto variable.
320 (check_static_variable_definition): Allow auto.
321 * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
323 * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
324 (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
326 Core issue 2310 - conversion to base of incomplete type.
327 * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
329 CWG 2267 - list-initialization of reference temporary
330 * call.c (reference_binding): List-initializing a reference
331 temporary is copy-list-initialization.
333 * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
335 * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
336 instantiation in template context.
338 * class.c (vbase_has_user_provided_move_assign): Use
341 * lambda.c (lambda_expr_this_capture): Improve logic.
343 * decl.c (make_typename_type): s/parameters/arguments/.
344 * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
345 * pt.c (make_pack_expansion): Correct error message.
347 2018-05-10 Jakub Jelinek <jakub@redhat.com>
350 * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
351 fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
354 2018-05-10 Eric Botcazou <ebotcazou@adacore.com>
357 * decl2.c (adjust_var_decl_tls_model): New static function.
358 (comdat_linkage): Call it on a variable.
359 (maybe_make_one_only): Likewise.
361 2018-05-09 Paolo Carlini <paolo.carlini@oracle.com>
365 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
368 * parser.c (cp_parser_parameter_declaration_list): When the
369 entire parameter-declaration-list is erroneous maybe call
370 abort_fully_implicit_template.
372 2018-05-08 Jason Merrill <jason@redhat.com>
374 PR c++/85706 - class deduction under decltype
375 * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE. Clear
376 *walk_subtrees whether or not we walked into the operand.
377 (type_uses_auto): Only look at deduced contexts.
379 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
382 * parser.c (cp_parser_parameter_declaration_list): When the
383 entire parameter-declaration-list is erroneous maybe call
384 abort_fully_implicit_template.
386 2018-05-08 Marek Polacek <polacek@redhat.com>
389 * semantics.c (finish_if_stmt_cond): See through typedefs.
391 2018-05-07 Jason Merrill <jason@redhat.com>
393 PR c++/85646 - lambda visibility.
394 * decl2.c (determine_visibility): Don't mess with template arguments
395 from the containing scope.
396 (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
399 2018-05-07 Nathan Sidwell <nathan@acm.org>
402 * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
403 (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
404 (SET_DECL_SHADOWED_FOR_VAR): Delete.
405 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
406 (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
408 * name-lookup.h (struct cp_binding_level): Remove
409 dead_vars_from_for field.
410 * cp-lang.c (cp_init_ts): Delete.
411 (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
412 * cp-objcp-common.c (shadowed_var_for_decl): Delete.
413 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
414 (init_shadowed_var_for_decl): Delete.
415 * decl.c (poplevel): Remove shadowed for var handling.
416 (cxx_init_decl_processing): Remove -ffor-scope deprecation.
417 * name-lookup.c (find_local_binding): Remove shadowed for var
419 (check_local_shadow): Likewise.
420 (check_for_out_of_scope_variable): Delete.
421 * parser.c (cp_parser_primary_expression): Remove shadowed for var
423 * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
424 * semantics.c (begin_for_scope): Always have a scope.
425 (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
426 (begin_range_for_stmt, finish_id_expression): Likewise.
428 2018-05-07 Jason Merrill <jason@redhat.com>
430 PR c++/85618 - ICE with initialized VLA.
431 * tree.c (vla_type_p): New.
432 * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
433 rather than array_of_runtime_bound_p.
435 2018-05-05 Paolo Carlini <paolo.carlini@oracle.com>
437 * cvt.c (ocp_convert): Early handle the special case of a
438 null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
440 2018-05-03 Jason Merrill <jason@redhat.com>
442 PR c++/85600 - virtual delete failure.
443 * init.c (build_delete): Always save_expr when deleting.
445 2018-05-03 Nathan Sidwell <nathan@acm.org>
447 * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
448 * name-lookup.c (do_pushdecl): Likewise.
450 2018-05-02 Paolo Carlini <paolo.carlini@oracle.com>
451 Jason Merrill <jason@redhat.com>
454 * name-lookup.c (check_local_shadow): Don't handle static old
455 declarations in the block handling locals shadowing locals.
457 2018-05-01 Jason Merrill <jason@redhat.com>
459 PR c++/85587 - error with scoped enum in template.
460 * semantics.c (finish_qualified_id_expr): Don't return an
461 unqualified IDENTIFIER_NODE.
463 2018-04-30 Jason Merrill <jason@redhat.com>
465 PR c++/85580 - extern "C" and local variables
466 * name-lookup.c (check_extern_c_conflict): Ignore local decls.
468 PR c++/84701 - unsigned typeof.
469 * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
470 of long/short/signed/unsigned.
472 PR c++/85305 - pack in lambda init-capture.
473 * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
474 check_for_bare_parameter_packs in a subexpression.
475 (cp_parser_lambda_introducer): Use it.
477 PR c++/61982 - dead stores to destroyed objects.
478 * call.c (build_trivial_dtor_call): New, assigns a clobber.
479 (build_over_call, build_special_member_call): Use it.
480 * cp-tree.h: Declare it.
481 * init.c (build_delete): Remove trivial path.
483 * init.c (build_dtor_call): Use build_special_member_call.
484 (build_delete): Remove redundant uses of save_addr.
486 * decl.c (build_clobber_this): Use build_clobber.
488 2018-04-27 Jakub Jelinek <jakub@redhat.com>
491 * init.c (build_zero_init_1): For zero initialization of
492 NULLPTR_TYPE_P type use build_int_cst directly.
494 2018-04-27 David Malcolm <dmalcolm@redhat.com>
497 * name-lookup.c (consider_binding_level): Skip compiler-generated
499 * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
500 nested if statements into a series of rejection tests. Reject
501 lambda-ignored entities as suggestions.
503 2018-04-27 Jason Merrill <jason@redhat.com>
505 * cvt.c (cp_fold_convert): Use convert_ptrmem.
506 * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
508 2018-04-27 Paolo Carlini <paolo.carlini@oracle.com>
511 * decl.c (grokdeclarator): Clear friendp upon definition in local
512 class definition error.
514 2018-04-27 Jason Merrill <jason@redhat.com>
516 PR c++/85545 - ICE with noexcept PMF conversion.
517 * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
519 * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
521 (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
523 2018-04-27 Nathan Sidwell <nathan@acm.org>
525 * typeck.c (convert_ptrmem): Move local var decls to initialization.
527 * cp-tree.h (TEMPLATE_INFO): Fix comments.
528 (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
529 (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
530 (dump, print_other_binding_stacks): Remove declarations.
531 * name-lookup.c (print_other_binding_stack): Make static.
532 * pt.c (build_template_decl): Make static.
534 2018-04-26 Jason Merrill <jason@redhat.com>
536 PR c++/85545 - ICE with noexcept PMF conversion.
537 * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
539 2018-04-25 Nathan Sidwell <nathan@acm.org>
543 * cp-tree.h (REINTERPRET_CAST_P): New.
544 * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
545 Reject REINTERPET_CAST_P conversions. Use cplus_expand_constant
546 for non-trivial PTRMEM_CST cases.
547 * typeck.c (build_nop_reinterpret): New.
548 (build_reinterpret_cast_1): Use it. Set REINTERPRET_CAST_P on
549 NOP_EXPRs returned by cp_convert.
551 2018-04-23 Jason Merrill <jason@redhat.com>
553 PR c++/69560 - wrong alignof(double) on x86.
554 CWG 1879 - Inadequate definition of alignment requirement.
555 * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
556 * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
557 (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
558 (cxx_alignof_expr): Pass it.
559 * parser.c (cp_parser_unary_expression): Pass it.
560 * pt.c (tsubst_copy): Copy it.
561 (tsubst_copy_and_build): Pass it.
562 * decl.c (fold_sizeof_expr): Pass it.
564 2018-04-23 Jakub Jelinek <jakub@redhat.com>
565 Jason Merrill <jason@redhat.com>
567 PR c++/85470 - wrong error with static data member.
568 * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
569 * typeck2.c (store_init_value): Likewise.
571 2018-04-20 Jakub Jelinek <jakub@redhat.com>
574 * cp-tree.h (tinst_level): Remove in_system_header_p member,
575 change refcount member from unsigned char to unsigned short,
576 add refcount_infinity static data member, adjust comments.
577 * pt.c (tinst_level::refcount_infinity): Define.
578 (inc_refcount_use): Remove assert, don't increment if refcount
579 is already refcount_infinity, adjust comment.
580 (dec_refcount_use): Remove assert, don't decrement if refcount
581 is refcount_infinity, adjust comment.
582 (push_tinst_level_loc): Formatting fix.
584 2018-04-19 Paolo Carlini <paolo.carlini@oracle.com>
587 * pt.c (lookup_template_class_1): Check pushtag return value for
590 2018-04-19 Alexandre Oliva <aoliva@redhat.com>
593 * cp-tree.h (tinst_level::free): Fix whitespace.
595 2018-04-18 Paolo Carlini <paolo.carlini@oracle.com>
598 * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
601 2018-04-18 Jakub Jelinek <jakub@redhat.com>
604 * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
605 tricks from here to ...
606 * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here. Only use it
607 if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
609 2018-04-18 Alexandre Oliva <aoliva@redhat.com>
612 * cp-tree.h (struct tinst_level): Split decl into tldcl and
613 targs. Add private split_list_p, tree_list_p, and not_list_p
614 inline const predicates; to_list private member function
615 declaration; free public member function declaration; list_p,
616 get_node and maybe_get_node accessors, and refcount data
617 member. Narrow errors to unsigned short.
618 * error.c (print_instantiation_full_context): Use new
620 (print_instantiation_partial_context_line): Likewise. Drop
621 const from tinst_level-typed parameter.
622 * mangle.c (mangle_decl_string): Likewise.
623 * pt.c (freelist): New template class.
624 (tree_list_freelist_head): New var.
625 (tree_list_freelist): New fn, along with specializations.
626 (tinst_level_freelist_head): New var.
627 (pending_template_freelist_head): Likewise.
628 (tinst_level_freelist, pending_template_freelist): New fns.
629 (tinst_level::to_list, tinst_level::free): Define.
630 (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
631 (set_refcount_ptr): New template fn.
632 (add_pending_template): Adjust for refcounting, freelists and
634 (neglectable_inst_p): Take a NULL d as a non-DECL.
635 (limit_bad_template_recursion): Use new accessors.
636 (push_tinst_level): New overload to create the list.
637 (push_tinst_level_loc): Make it static, split decl into two
638 args, adjust tests and initialization to cope with split
639 lists, use freelist, adjust for refcounting.
640 (push_tinst_level_loc): New wrapper with the old interface.
641 (pop_tinst_level): Adjust for refcounting.
642 (record_last_problematic_instantiation): Likewise.
643 (reopen_tinst_level): Likewise. Use new accessors.
644 (instantiate_alias_template): Adjust for split list.
645 (fn_type_unification): Likewise.
646 (get_partial_spec_bindings): Likewise.
647 (instantiate_pending_templates): Use new accessors. Adjust
648 for refcount. Release pending_template to freelist.
649 (instantiating_current_function_p): Use new accessors.
651 2018-04-16 Alexandre Oliva <aoliva@redhat.com>
654 * parser.c (cp_parser_builtin_offset): Reject type definitions.
655 * mangle.c (nested_anon_class_index): Avoid crash returning -1
656 if we've seen errors.
658 2018-04-12 David Malcolm <dmalcolm@redhat.com>
661 * name-lookup.c (macro_use_before_def::maybe_make): New function,
662 checking that the use is indeed before the definition.
663 (macro_use_before_def::macro_use_before_def): Make private.
664 (macro_use_before_def::~macro_use_before_def): Make private. Move
665 check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
666 (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
667 than using new directly.
669 2018-04-12 Jason Merrill <jason@redhat.com>
671 PR c++/85356 - ICE with pointer to member function.
672 * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
673 flag_noexcept_type. Build the new spec within the function context.
674 * except.c (build_noexcept_spec): Do get constant value in templates
675 if flag_noexcept_type.
676 * decl.c (check_redeclaration_exception_specification): Don't
677 instantiate noexcept on a dependent declaration.
679 2018-04-12 Marek Polacek <polacek@redhat.com>
682 * constexpr.c (reduced_constant_expression_p): Return false for null
685 2018-04-11 Marek Polacek <polacek@redhat.com>
688 * constexpr.c (potential_constant_expression_1): Consider conversions
689 from classes to literal types potentially constant.
691 2018-04-10 Paolo Carlini <paolo.carlini@oracle.com>
694 * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
695 the type like TYPE_PTR_OR_PTRMEM_P.
697 2018-04-10 Jason Merrill <jason@redhat.com>
699 PR debug/65821 - wrong location for main().
700 * call.c (clear_location_r, convert_default_arg): Revert.
701 * tree.c (break_out_target_exprs): Add clear_location parm.
702 (struct bot_data): New.
703 (bot_manip): Clear location if requested.
704 * init.c (get_nsdmi): Pass clear_location.
706 2018-04-10 David Malcolm <dmalcolm@redhat.com>
709 * call.c (get_fndecl_argument_location): Make non-static.
710 * cp-tree.h (get_fndecl_argument_location): New decl.
711 * typeck.c (convert_for_assignment): When complaining due to
712 conversions for an argument, show the location of the parameter
715 2018-04-10 Jakub Jelinek <jakub@redhat.com>
717 PR c++/85312 - P0962 cleanup
718 * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
721 2018-04-10 Jason Merrill <jason@redhat.com>
723 PR debug/65821 - wrong location for main().
724 * call.c (clear_location_r): New.
725 (convert_default_arg): Use it.
726 * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
728 PR c++/85285 - ICE with flexible array after substitution.
729 * pt.c (instantiate_class_template_1): Check for flexible array in
732 2018-04-09 Paolo Carlini <paolo.carlini@oracle.com>
735 * decl.c (cp_finish_decomp): In a template, if the type is incomplete
736 issue a pedwarn and defer trying to do bindings.
738 2018-04-09 Jason Merrill <jason@redhat.com>
740 PR c++/85279 - dump_expr doesn't understand decltype.
741 * error.c (dump_expr): Handle DECLTYPE_TYPE.
743 PR c++/85262 - ICE with redundant qualification on constructor.
744 * call.c (build_new_method_call_1): Move make_args_non_dependent
745 after A::A() handling.
747 PR c++/85277 - ICE with invalid offsetof.
748 * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
749 Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
751 PR c++/85264 - ICE with excess template-parameter-list.
752 * parser.c (cp_parser_check_template_parameters): Add template_id_p
753 parameter. Don't allow an extra template header if true.
754 (cp_parser_class_head): Pass template_id_p.
755 (cp_parser_elaborated_type_specifier): Likewise.
756 (cp_parser_alias_declaration): Likewise.
757 (cp_parser_check_declarator_template_parameters): Likewise.
759 2018-04-09 Jakub Jelinek <jakub@redhat.com>
762 * parser.c (cp_parser_simple_declaration): For structured bindings,
763 if *maybe_range_for_decl is NULL after parsing it, set it to
766 2018-04-09 Jason Merrill <jason@redhat.com>
768 PR c++/85256 - ICE capturing pointer to VLA.
769 * lambda.c (add_capture): Distinguish between variable-size and
770 variably-modified types.
772 2018-04-06 Jason Merrill <jason@redhat.com>
774 PR c++/85214 - ICE with alias, generic lambda, constexpr if.
775 * pt.c (extract_locals_r): Remember local typedefs.
777 2018-04-06 David Malcolm <dmalcolm@redhat.com>
780 * name-lookup.c (struct std_name_hint): Move out of
781 get_std_name_hint; add field "min_dialect".
782 (get_std_name_hint): Add min_dialect values to all initializers.
783 Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
784 <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
785 <shared_mutex>, <string_view>, <thread>, and <variant>.
786 Add fstream, ifstream, and ofstream to <fstream>.
787 Add istringstream, ostringstream, and stringstream to <sstream>.
788 Add basic_string to <string>.
789 Add tuple_element and tuple_size to <tuple>.
790 Add declval to <utility>.
791 Fix ordering of <queue> and <tuple>.
792 Return a std_name_hint, rather than a const char *.
793 (get_cxx_dialect_name): New function.
794 (maybe_suggest_missing_std_header): Detect names that aren't yet
795 available in the current dialect, and instead of suggesting a
796 missing #include, warn about the dialect.
798 2018-04-06 Jakub Jelinek <jakub@redhat.com>
801 * pt.c (tsubst_decomp_names): Return error_mark_node and assert
802 errorcount is set if tsubst doesn't return a VAR_DECL.
804 2018-04-06 David Malcolm <dmalcolm@redhat.com>
807 * name-lookup.c (using_directives_contain_std_p): New function.
808 (has_using_namespace_std_directive_p): New function.
809 (suggest_alternatives_for): Simplify if/else logic using early
810 returns. If no candidates were found, and there's a
811 "using namespace std;" directive, call
812 maybe_suggest_missing_std_header.
813 (maybe_suggest_missing_header): Split later part of the function
815 (maybe_suggest_missing_std_header): New.
817 2018-04-06 Jason Merrill <jason@redhat.com>
819 PR c++/85242 - ICE with class definition in template parm.
820 * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
821 processing_template_parmlist.
823 PR c++/85240 - LTO ICE with using of undeduced auto fn.
824 * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
826 2018-04-05 Jakub Jelinek <jakub@redhat.com>
829 * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
830 is not prev, if prev == decl.
833 * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
834 maybe_apply_pragma_weak here...
835 (cp_maybe_mangle_decomp): ... but call it here instead.
837 2018-04-05 Jason Merrill <jason@redhat.com>
839 PR c++/85136 - ICE with designated init in template.
840 * decl.c (maybe_deduce_size_from_array_init): Handle dependent
841 designated initializer.
842 (check_array_designated_initializer): Update ce->index with the
845 PR c++/83808 - ICE with VLA initialization.
846 * typeck2.c (process_init_constructor_array): Don't require a VLA
847 initializer to have VLA type.
849 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
852 * call.c (convert_like_real): Fail gracefully for a broken
853 std::initializer_list, missing a definition.
855 * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
857 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
860 * decl.c (grokdeclarator): Fix diagnostic about typedef name used
861 as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
863 2018-04-05 Jason Merrill <jason@redhat.com>
865 PR c++/82152 - ICE with class deduction and inherited ctor.
866 * pt.c (do_class_deduction): Ignore inherited ctors.
868 PR c++/84665 - ICE with array of empty class.
869 * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
871 PR c++/85228 - ICE with lambda in enumerator in template.
872 * pt.c (bt_instantiate_type_proc): Don't assume
873 CLASSTYPE_TEMPLATE_INFO is non-null.
875 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
878 * decl.c (find_decomp_class_base): Check accessibility instead
879 of declared access, adjust diagnostic.
881 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
884 * decl.c (get_tuple_decomp_init): Check the templatedness
887 2018-04-05 Jason Merrill <jason@redhat.com>
889 PR c++/85200 - ICE with constexpr if in generic lambda.
890 * pt.c (extract_locals_r): Don't record the local specs of variables
891 declared within the pattern.
893 2018-04-05 Alexandre Oliva <aoliva@redhat.com>
896 * pt.c (check_auto_in_tmpl_args): New.
897 (tsubst_qualified_id): Use it to reject template args
898 referencing auto for non-type templates.
899 * parser.c (cp_parser_template_id): Likewise.
900 * cp-tree.h (check_auto_in_tmpl_args): Declare.
901 * typeck2.c (build_functional_cast): Report correct location
902 for invalid use of auto.
904 2018-04-04 Jason Merrill <jason@redhat.com>
906 PR c++/85215 - ICE with copy-init from conversion.
907 * call.c (merge_conversion_sequences): Fix type of direct binding
910 PR c++/84938 - ICE with division by ~-1.
911 * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
913 PR c++/84936 - ICE with unexpanded pack in mem-initializer.
914 * parser.c (cp_parser_mem_initializer_list): Call
915 check_for_bare_parameter_packs.
917 2018-04-04 Jakub Jelinek <jakub@redhat.com>
920 * constexpr.c (cxx_eval_builtin_function_call): For calls to
921 builtin_valid_in_constant_expr_p functions, don't call
922 cxx_eval_constant_expression if argument is not
923 potential_constant_expression.
926 * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
928 * semantics.c (calculate_bases): Add complain argument. Use
929 complete_type_or_maybe_complain instead of just complete_type and
930 return an empty vector if it fails. Move make_tree_vector () call
931 after early return. Formatting fixes.
932 (calculate_direct_bases): Likewise. Call release_tree_vector at the
934 (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
935 * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
936 calculate_direct_bases callers, formatting fixes.
938 2018-04-04 Jason Merrill <jason@redhat.com>
940 PR c++/85006 - -fconcepts ICE with A<auto...> return type
941 * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
943 PR c++/85200 - ICE with constexpr if in generic lambda.
944 * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
946 PR c++/84221 - bogus -Wunused with attribute and template.
947 * decl2.c (is_late_template_attribute): Handle unused and used
948 normally on non-TYPE_DECL.
950 PR c++/85135 - ICE with omitted template arguments.
951 * decl.c (grokdeclarator): Catch deduced class type in trailing
954 PR c++/85133 - ICE with missing concept initializer.
955 * decl.c (cp_finish_decl): If a concept initializer is missing, use
958 PR c++/85118 - wrong error with generic lambda and std::bind.
959 * call.c (add_template_conv_candidate): Disable if there are any
962 PR c++/85141 - ICE with compound assignment and static member fn.
963 * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
966 PR c++/85148 - ICE with 'this' in array NSDMI.
967 * tree.c (replace_placeholders_r): Use handled_component_p.
969 2018-04-04 Ville Voutilainen <ville.voutilainen@gmail.com>
972 * decl.c (grokfndecl): Handle standard UDL diagnostics here..
973 * parser.c (cp_parser_unqualified_id): ..not here.
975 2018-04-04 Alexandre Oliva <aoliva@redhat.com>
978 * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
980 * decl2.c (mark_used): Return without effects if tf_conv.
982 2018-04-03 Jason Merrill <jason@redhat.com>
984 PR c++/85092 - C++17 ICE with unused list constructor.
985 * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
988 PR c++/85113 - ICE with constexpr and __builtin_constant_p.
989 * constexpr.c (cxx_eval_builtin_function_call): Only defer
990 __builtin_constant_p if ctx->quiet.
992 2018-04-03 Paolo Carlini <paolo.carlini@oracle.com>
995 * pt.c (rewrite_template_parm): If the first argument is
996 error_mark_node return it immediately.
997 (build_deduction_guide): Check the return value of the
998 latter for error_mark_node.
999 (do_class_deduction): Check the return value of the latter.
1001 2018-04-03 Jason Merrill <jason@redhat.com>
1003 * semantics.c (finish_if_stmt_cond): Use
1004 instantiation_dependent_expression_p.
1006 PR c++/85149 - generic lambda and constexpr if.
1007 * pt.c (build_extra_args, add_extra_args): Split from
1008 tsubst_pack_expansion.
1009 (tsubst_expr) [IF_STMT]: Use them.
1010 * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
1012 * typeck.c (merge_types): Limit matching attribute shortcut to
1015 2018-04-03 Jakub Jelinek <jakub@redhat.com>
1018 * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
1021 * name-lookup.c (handle_namespace_attrs): Return early if attributes
1025 * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
1026 fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
1027 instead for static data members clear init and set DECL_EXTERNAL.
1029 2018-04-02 Jason Merrill <jason@redhat.com>
1031 PR c++/64095 - auto... parameter pack.
1032 * parser.c (cp_parser_parameter_declaration): Handle turning autos
1034 (cp_parser_parameter_declaration_list): Not here.
1036 2018-03-31 Alexandre Oliva <aoliva@redhat.com>
1039 * class.c (instantiate_type): Peel off SAVE_EXPR before
1042 2018-03-30 Jason Merrill <jason@redhat.com>
1044 * typeck2.c (process_init_constructor_record): Use
1045 init_list_type_node for the CONSTRUCTOR around an anonymous union
1046 designated initializer.
1048 2018-03-30 Jakub Jelinek <jakub@redhat.com>
1051 * semantics.c (finish_omp_reduction_clause): If
1052 OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
1053 even if processing_template_decl.
1055 2018-03-29 David Malcolm <dmalcolm@redhat.com>
1058 * name-lookup.c (get_std_name_hint): Add names from <memory>,
1059 <tuple>, and <utility>.
1061 2018-03-29 Jason Merrill <jason@redhat.com>
1063 PR c++/85093 - too many template args with pack expansion.
1064 * pt.c (coerce_template_parms): Keep pack expansion args that will
1067 2018-03-29 Jason Merrill <jason@redhat.com>
1069 * pt.c (build_non_dependent_expr): Propagate expr location.
1071 2018-03-27 Jason Merrill <jason@redhat.com>
1073 PR c++/85060 - wrong-code with call to base member in template.
1074 * search.c (any_dependent_bases_p): Check uses_template_parms
1075 rather than processing_template_decl.
1077 2018-03-29 David Malcolm <dmalcolm@redhat.com>
1080 * typeck.c (convert_for_assignment): When complaining due to
1081 conversions for an argument, attempt to use the location of the
1084 2018-03-28 Paolo Carlini <paolo.carlini@oracle.com>
1087 * pt.c (tsubst_default_argument): Early return if the type of the
1088 parameter is erroneous.
1090 2018-03-28 Alexandre Oliva <aoliva@redhat.com>
1093 * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
1097 * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
1099 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
1102 * method.c (defaulted_late_check): Partially revert r253321 changes,
1103 do not early return upon error.
1105 2018-03-27 Jakub Jelinek <jakub@redhat.com>
1108 * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
1109 type call fold to generate VECTOR_CSTs when possible.
1112 * tree.c (cp_build_reference_type): If to_type is error_mark_node,
1113 return it right away.
1115 2018-03-27 Volker Reichelt <v.reichelt@netcologne.de>
1117 * search.c (check_final_overrider): Use inform instead of error
1118 for the diagnostics of the overridden functions. Tweak wording.
1120 2018-03-27 Jakub Jelinek <jakub@redhat.com>
1123 * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
1124 is NULL. Assert if thunk_binfo is NULL then errorcount is non-zero.
1126 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
1127 Jason Merrill <jason@redhat.com>
1130 * init.c (build_aggr_init): When initializing from array,
1131 reject anything but CONSTRUCTORs and TARGET_EXPRs.
1132 (build_vec_init): Handle separately ARRAY_TYPEs.
1134 2018-03-26 Jason Merrill <jason@redhat.com>
1136 PR c++/85062 - ICE with alignas in wrong place.
1137 * decl.c (grokdeclarator): Ignore attributes on type-specifiers
1140 PR c++/85049 - ICE with __integer_pack.
1141 * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
1142 * cp-tree.h (TEMPLATE_PARM_P): New.
1144 2018-03-23 Jason Merrill <jason@redhat.com>
1146 PR c++/78489 - wrong SFINAE behavior.
1149 * pt.c (type_unification_real): Don't defer substitution failure.
1151 2018-03-23 Jakub Jelinek <jakub@redhat.com>
1154 * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
1158 * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
1159 cp_build_unary_op call with gcc_unreachable ().
1161 2018-03-23 Marek Polacek <polacek@redhat.com>
1164 * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
1165 Handle EXACT_DIV_EXPR and RDIV_EXPR. Tweak condition.
1166 (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
1168 2018-03-23 Ville Voutilainen <ville.voutilainen@gmail.com>
1171 * parser.c (cp_parser_perform_range_for_lookup): Change
1172 the condition for deciding whether to use members.
1174 2018-03-23 Marek Polacek <polacek@redhat.com>
1177 * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
1179 2018-03-23 Alexandre Oliva <aoliva@redhat.com>
1182 * parser.c (cp_parser_alias_declaration): Call
1183 parser_check_template_parameters.
1186 * pt.c (resolve_typename_type): Drop assert that stopped
1187 simplification to template-independent types. Add assert to
1188 verify the initial scope is template dependent.
1189 * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
1190 Reparse the id expression as a type-name, not a declarator.
1193 * init.c (build_vec_init): Error at parenthesized array init.
1198 * cp-tree.h (temp_override): New template class, generalizing
1199 a cleanup that was only used...
1200 * parser.c (cp_parser_parameter_declaration_clause):
1201 ... here for auto_is_implicit_function_template_parm_p.
1202 (cp_parser_gnu_attributes_opt): Use it here as well.
1203 (cp_parser_std_attribute): Likewise.
1205 2018-03-22 Marek Polacek <polacek@redhat.com>
1208 * semantics.c (finish_if_stmt_cond): Check if the type of the condition
1211 2018-03-21 Jason Merrill <jason@redhat.com>
1213 PR c++/81311 - wrong C++17 overload resolution.
1214 * call.c (build_user_type_conversion_1): Remove C++17 code.
1215 (conv_binds_ref_to_prvalue): New.
1216 (build_over_call): Handle C++17 copy elision.
1217 (build_special_member_call): Only do C++17 copy elision here if the
1218 argument is already the right type.
1220 2018-03-21 Alexandre Oliva <aoliva@redhat.com>
1223 * init.c (build_vec_init): Silence error, former sorry,
1228 * parser.c (abort_fully_implicit_template_p): New.
1229 (cp_parser_skip_to_end_of_statement): Use it.
1230 (cp_parser_skip_to_end_of_block_or_statement): Likewise.
1231 (finish_fully_implicit_template_p): Clear
1232 implicit_template_parms and implicit_template_scope.
1234 2018-03-21 Paolo Carlini <paolo.carlini@oracle.com>
1237 * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
1238 error_mark_node when check_array_designated_initializer fails.
1240 2018-03-21 Jakub Jelinek <jakub@redhat.com>
1243 * cp-tree.h (genericize_compound_lvalue): Declare.
1244 * typeck.c (genericize_compound_lvalue): New function.
1245 (unary_complex_lvalue, cp_build_modify_expr): Use it.
1246 * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
1247 and PREDECREMENT_EXPR in output and "m" constrained input operands with
1248 COMPOUND_EXPR. Call cxx_mark_addressable on the rightmost
1249 COMPOUND_EXPR operand.
1251 2018-03-21 Nathan Sidwell <nathan@acm.org>
1254 * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
1255 * decl2.c (vague_linkage_p): Likewise.
1257 2018-03-21 David Malcolm <dmalcolm@redhat.com>
1260 * constexpr.c (constexpr_fn_retval): Make non-"static".
1261 * cp-tree.h (constexpr_fn_retval): New decl.
1262 * search.c (direct_accessor_p): Update leading comment.
1263 (reference_accessor_p): Likewise.
1264 (field_accessor_p): Replace check that function body is a
1265 RETURN_EXPR with a call to constexpr_fn_retval. Fix
1266 indentation of "field_type" decl.
1268 2018-03-21 Nathan Sidwell <nathan@acm.org>
1271 * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
1274 2018-03-21 Martin Sebor <msebor@redhat.com>
1277 * call.c (first_non_public_field): New template and function.
1278 (first_non_trivial_field): New function.
1279 (maybe_warn_class_memaccess): Call them.
1281 2018-03-21 David Malcolm <dmalcolm@redhat.com>
1284 * search.c (field_accessor_p): Use class_of_this_parm rather than
1285 type_of_this_parm, to check that "this" is a "const T *", rather
1288 2018-03-21 Nathan Sidwell <nathan@acm.org>
1290 * class.c (finish_struct_anon_r): Refactor, deprecate anything
1291 other than public non-static data members.
1292 * parser.c (cp_parser_init_declarator): Deprecate attributes after
1293 parenthesized initializer.
1296 * name-lookup.c (update_binding): Correct logic for local binding
1299 2018-03-21 Marek Polacek <polacek@redhat.com>
1301 PR c++/71638, ICE with NSDMI and reference.
1302 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1303 even when we replace an element.
1305 2018-03-20 Marek Polacek <polacek@redhat.com>
1307 PR c++/84978, ICE with NRVO.
1308 * constexpr.c (cxx_eval_constant_expression): Handle the case when
1309 a RESULT_DECL isn't in the hash map.
1311 2018-03-20 Jason Merrill <jason@redhat.com>
1313 PR c++/84978, ICE with NRVO.
1314 * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
1315 (cp_get_callee_fndecl_nofold): New.
1316 * cp-gimplify.c (cp_genericize_r): Use it instead.
1317 * call.c (check_self_delegation): Likewise.
1319 2018-03-20 Nathan Sidwell <nathan@acm.org>
1322 * name-lookup.c (pushdecl_class_level): Push anon-struct's
1323 member_vec, if there is one.
1326 * cp-tree.h (lookup_list_keep): Declare.
1327 * tree.c (lookup_list_keep): New, broken out of ...
1328 (build_min): ... here. Call it.
1329 * decl.c (cp_finish_decl): Call lookup_list_keep.
1331 2018-03-19 Jason Merrill <jason@redhat.com>
1333 PR c++/84937 - ICE with class deduction and auto.
1334 * pt.c (rewrite_template_parm): Fix auto handling.
1336 2018-03-19 Marek Polacek <polacek@redhat.com>
1339 * pt.c (enclosing_instantiation_of): Check if fn is null.
1342 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1343 as we evaluate the elements.
1344 (cxx_eval_constant_expression): Verify constructor's flags
1347 2018-03-19 Jason Merrill <jason@redhat.com>
1349 PR c++/71834 - template-id with too few arguments.
1350 * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
1352 2018-03-19 Nathan Sidwell <nathan@acm.org>
1355 * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
1356 * pt.c (build_template_decl): Propagate language linkage.
1359 * name-lookup.c (set_local_extern_decl_linkage): Defend against
1362 2018-03-16 Jakub Jelinek <jakub@redhat.com>
1365 * parser.c (cp_parser_lambda_introducer): Remove trailing space from
1367 * method.c (synthesize_method): Likewise.
1368 * pt.c (convert_nontype_argument): Likewise.
1370 2018-03-16 Jason Merrill <jason@redhat.com>
1372 PR c++/84720 - ICE with rvalue ref non-type argument.
1373 * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
1374 (convert_nontype_argument): Revert earlier change.
1376 PR c++/80227 - SFINAE and negative array size.
1377 * decl.c (compute_array_index_type): Use
1378 build_converted_constant_expr and valid_constant_size_p.
1380 PR c++/84906 - silent wrong code with ambiguous conversion.
1381 * call.c (build_user_type_conversion_1): Set need_temporary_p on
1382 ambiguous conversion.
1383 (convert_like_real): Check it.
1385 PR c++/83937 - wrong C++17 handling of init-list ctor argument.
1386 * call.c (build_special_member_call): Don't convert an init-list
1387 argument directly to the class type.
1389 2018-03-16 Jakub Jelinek <jakub@redhat.com>
1393 * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
1394 (find_placeholder): Declare.
1395 * tree.c (struct replace_placeholders_t): Add exp member.
1396 (replace_placeholders_r): Don't walk into ctors with
1397 CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
1398 d->exp. Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
1399 (replace_placeholders): Initialize data.exp.
1400 (find_placeholders_r, find_placeholders): New functions.
1401 * typeck2.c (process_init_constructor_record,
1402 process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
1403 if adding NSDMI on which find_placeholder returns true.
1404 * call.c (build_over_call): Don't call replace_placeholders here.
1405 * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
1406 TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
1407 TARGET_EXPR_INITIAL.
1408 (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
1411 2018-03-16 Jason Merrill <jason@redhat.com>
1413 PR c++/83911 - ICE with multiversioned constructor.
1414 * cp-gimplify.c (cp_genericize_r): Replace versioned function with
1416 * call.c (build_over_call): Not here.
1418 2018-03-16 Jakub Jelinek <jakub@redhat.com>
1421 * decl.c (reshape_init_class): Don't assert d->cur->index == field
1422 if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
1424 2018-03-15 Jakub Jelinek <jakub@redhat.com>
1427 * cp-tree.h (cp_warn_deprecated_use): Declare.
1428 * tree.c (cp_warn_deprecated_use): New function.
1429 * typeck2.c (build_functional_cast): Use it.
1430 * decl.c (grokparms): Likewise.
1431 (grokdeclarator): Likewise. Temporarily push nested class scope
1432 around grokparms call for out of class member definitions.
1434 2018-03-14 Jason Merrill <jason@redhat.com>
1436 PR c++/84820 - no error for invalid qualified-id.
1437 * parser.c (cp_parser_make_indirect_declarator): Don't wrap
1438 cp_error_declarator.
1440 PR c++/84801 - ICE with unexpanded pack in lambda.
1441 * pt.c (check_for_bare_parameter_packs): Don't return early for a
1442 lambda in non-template context.
1444 PR c++/81236 - auto variable and auto function
1445 * pt.c (tsubst_baselink): Update the type of the BASELINK after
1448 2018-03-14 Jason Merrill <jason@redhat.com>
1450 PR c++/83916 - ICE with template template parameters.
1451 * pt.c (convert_template_argument): Don't substitute into type of
1452 non-type parameter if we don't have enough arg levels.
1455 2018-03-14 Marek Polacek <polacek@redhat.com>
1458 * semantics.c (finish_static_assert): Check
1459 instantiation_dependent_expression_p instead of
1460 {type,value}_dependent_expression_p.
1462 2018-03-13 Paolo Carlini <paolo.carlini@oracle.com>
1463 Jason Merrill <jason@redhat.com>
1465 PR c++/82336 - link error with list-init default argument.
1466 * decl.c (check_default_argument): Unshare an initializer list.
1468 2018-03-13 Jakub Jelinek <jakub@redhat.com>
1471 * decl.c (duplicate_decls): For redefinition of built-in, use error
1472 and return error_mark_node. For redeclaration, return error_mark_node
1473 rather than olddecl if !flag_permissive.
1475 2018-03-13 Jason Merrill <jason@redhat.com>
1477 PR c++/82565 - ICE with concepts and generic lambda.
1478 * pt.c (instantiate_decl): Clear fn_context for lambdas.
1480 2018-03-13 Jason Merrill <jason@redhat.com>
1482 PR c++/84720 - ICE with rvalue ref non-type argument.
1483 * pt.c (convert_nontype_argument): Handle rvalue references.
1485 PR c++/84839 - ICE with decltype of parameter pack.
1486 * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
1487 instantiating dummy parms.
1489 * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
1490 parameter even without -Wpedantic.
1492 PR c++/84798 - ICE with auto in abstract function declarator.
1493 * parser.c (cp_parser_parameter_declaration_clause): Check
1494 parser->default_arg_ok_p.
1496 2018-03-13 Jakub Jelinek <jakub@redhat.com>
1499 * constexpr.c (find_array_ctor_elt): Don't use elt reference after
1500 first potential CONSTRUCTOR_ELTS reallocation. Convert dindex to
1501 sizetype. Formatting fixes.
1503 2018-03-12 Jason Merrill <jason@redhat.com>
1505 PR c++/84355 - ICE with deduction for member class template.
1506 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
1507 CLASS_PLACEHOLDER_TEMPLATE.
1509 PR c++/84802 - ICE capturing uninstantiated class.
1510 * lambda.c (build_capture_proxy): Call complete_type.
1512 2018-03-09 Jason Merrill <jason@redhat.com>
1514 PR c++/84770 - ICE with typedef and parameter pack.
1515 * pt.c (verify_unstripped_args_1): Split out from
1516 verify_unstripped_args.
1518 PR c++/84785 - ICE with alias template and default targs.
1519 * pt.c (type_unification_real): Set processing_template_decl if
1522 PR c++/84752 - ICE with capture of constexpr array.
1523 * call.c (standard_conversion): Set rvaluedness_matches_p on the
1524 identity conversion under ck_lvalue.
1526 2018-03-09 Jason Merrill <jason@redhat.com>
1527 Paolo Carlini <paolo.carlini@oracle.com>
1531 * pt.c (any_erroneous_template_args_p): New.
1532 * cp-tree.h (any_erroneous_template_args_p): Declare it.
1533 * parser.c (cp_parser_class_specifier_1): Use it.
1535 2018-03-09 Jason Merrill <jason@redhat.com>
1537 PR c++/84726 - unnecessary capture of constant vars.
1538 * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
1539 (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
1540 * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
1541 * lambda.c (is_constant_capture_proxy)
1542 (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
1543 (prune_lambda_captures): New.
1544 (finish_lambda_function): Call prune_lambda_captures.
1546 2018-03-09 Jason Merrill <jason@redhat.com>
1547 Jakub Jelinek <jakub@redhat.com>
1550 * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
1551 build ADDR_EXPR with REFERENCE_TYPE.
1552 (build_over_call): For purposes of check_function_arguments, if
1553 argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
1554 its operand rather than the argument itself.
1556 2018-03-09 Jakub Jelinek <jakub@redhat.com>
1559 * decl.c (duplicate_decls): Don't override __* prefixed builtins
1560 except for __[^b]*_chk, instead issue permerror and for -fpermissive
1561 also a note and return olddecl.
1563 2018-03-09 Nathan Sidwell <nathan@acm.org>
1566 * name-lookup.c (do_pushdecl_with_scope): Only clear
1567 current_function_decl when pushing a non-class (i.e. namespace)
1570 2018-03-08 Jason Merrill <jason@redhat.com>
1571 Jakub Jelinek <jakub@redhat.com>
1574 * call.c (build_over_call): In templates set TREE_USED (first_fn) when
1575 not calling mark_used for the benefit of -Wunused-function warning.
1577 2018-03-06 Jason Merrill <jason@redhat.com>
1579 * lambda.c (is_capture_proxy_with_ref): Remove.
1580 * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
1582 2018-03-06 Marek Polacek <polacek@redhat.com>
1585 * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
1588 2018-03-06 Alexandre Oliva <aoliva@redhat.com>
1591 * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
1592 only while processing template decls.
1593 * typeck.c (build_x_conditional_expr): Move wrapping of
1594 reference type around type...
1595 * call.c (build_conditional_expr_1): ... here. Rename
1596 is_lvalue to is_glvalue.
1597 * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
1598 INDIRECT_REF of COND_EXPR too.
1601 * init.c (build_zero_init_1): Zero-initialize references.
1604 * semantics.c (finish_stmt_expr_expr): Reject unresolved
1605 overloads used as stmt expr values.
1607 2018-03-05 Jason Merrill <jason@redhat.com>
1609 PR c++/84708 - ICE with lambda in local class NSDMI.
1610 * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
1613 2018-03-05 Jakub Jelinek <jakub@redhat.com>
1616 * constexpr.c (constexpr_call_hasher::equal): Return false if
1617 lhs->hash != rhs->hash. Change return 1 to return true and
1618 return 0 to return false.
1620 2018-03-05 Nathan Sidwell <nathan@acm.org>
1623 * pt.c (process_template_arg): Mark lookup_keep on a default arg.
1625 2018-03-05 Marek Polacek <polacek@redhat.com>
1628 * decl.c (duplicate_decls): Check DECL_NAME before accessing
1631 2018-03-05 Nathan Sidwell <nathan@acm.org>
1634 * friend.c (do_friend): Restore check for identifier_p inside
1637 2018-03-05 Paolo Carlini <paolo.carlini@oracle.com>
1640 * parser.c (cp_parser_lambda_introducer): Reject any capture not
1641 involving a VAR_DECL or a PARM_DECL.
1643 2018-03-05 Pádraig Brady <P@draigBrady.com>
1644 Jason Merrill <jason@redhat.com>
1645 Nathan Sidwell <nathan@acm.org>
1648 * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
1650 2018-03-03 Jason Merrill <jason@redhat.com>
1652 PR c++/84686 - missing volatile loads.
1653 * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
1655 2018-03-03 Paolo Carlini <paolo.carlini@oracle.com>
1658 * optimize.c (maybe_thunk_body): Bail out immediately if either
1659 fns[0] or fns[1] is null.
1661 2018-03-02 Marek Polacek <polacek@redhat.com>
1664 * constexpr.c (get_array_or_vector_nelts): New.
1665 (cxx_eval_array_reference): Use it.
1666 (cxx_eval_vec_init_1): Likewise.
1667 (cxx_eval_store_expression): Likewise.
1669 2018-03-02 Jason Merrill <jason@redhat.com>
1671 * semantics.c (force_paren_expr): Remove redundant test.
1673 2018-03-02 Marek Polacek <polacek@redhat.com>
1676 * decl.c (cp_complete_array_type): Check error_mark_node.
1679 * typeck.c (cp_perform_integral_promotions): Check the result of
1682 2018-03-02 Jakub Jelinek <jakub@redhat.com>
1685 * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
1686 RETURN instead of return.
1687 <case POINTER_PLUS_EXPR>: Likewise.
1688 <case CONVERT_EXPR>: If op0 is error_mark_node, just return
1689 it instead of wrapping it into CONVERT_EXPR.
1691 2018-03-02 Jason Merrill <jason@redhat.com>
1694 * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
1696 2018-03-02 Marek Polacek <polacek@redhat.com>
1699 * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
1700 wrapped in VIEW_CONVERT_EXPR.
1702 2018-03-01 Martin Sebor <msebor@redhat.com>
1705 * decl.c (check_redeclaration_no_default_args): Merge attributes
1706 specified on redeclarations of the same function template.
1709 2018-03-01 Marek Polacek <polacek@redhat.com>
1710 Jason Merrill <jason@redhat.com>
1713 * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
1715 (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
1716 * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
1717 of instantiate_non_dependent_expr.
1718 * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
1720 2018-03-01 Nathan Sidwell <nathan@acm.org>
1723 * name-lookup.c (member_vec_dedup): Remove manually peeled
1724 iteration. Ignore dependent ctor inheritance.
1726 2018-03-01 Jason Merrill <jason@redhat.com>
1728 PR c++/71569 - decltype of template.
1729 * parser.c (cp_parser_decltype_expr): Handle missing template args.
1731 2018-03-01 Marek Polacek <polacek@redhat.com>
1734 * constexpr.c (require_rvalue_constant_expression): New function.
1735 * cp-tree.h: Declare it.
1736 * semantics.c (finish_static_assert): Use it instead of
1737 require_potential_rvalue_constant_expression.
1739 2018-03-01 Jason Merrill <jason@redhat.com>
1740 Alexandre Oliva <aoliva@redhat.com>
1742 PR c++/71569 - ICE with redundant args on member variable template.
1743 * decl.c (start_decl): Handle partial specialization of member
1745 * pt.c (determine_specialization): Allow partial specialization
1746 of member variable template without specializing enclosing class.
1747 (process_partial_specialization): Improve error message.
1749 2018-02-28 Jason Merrill <jason@redhat.com>
1751 PR c++/71784 - ICE with ref-qualifier and explicit specialization.
1752 * pt.c (determine_specialization): Check ref-qualifier.
1754 2018-02-28 Jakub Jelinek <jakub@redhat.com>
1757 * parser.c (cp_parser_attributes_opt): Formatting fix.
1758 (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
1759 cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
1761 (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
1762 instead of tentative parse to peek over optional attribute tokens
1763 to check for CPP_COLON after them.
1767 * pt.c (INCLUDE_STRING): Remove define.
1768 (warn_spec_missing_attributes): Use pretty_printer instead of
1769 std::string. Fix up inform call so that the list of attributes
1772 2018-02-28 Martin Sebor <msebor@redhat.com>
1775 * decl.c (duplicate_decls): Fully merge attributes const, pure,
1778 2018-02-28 Nathan Sidwell <nathan@acm.org>
1781 * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
1782 * name-lookup.c (fields_linear_search): Look in an anon-aggr
1783 regardless of want_type.
1784 (search_anon_aggr): Just use get_class_binding_direct.
1786 2018-02-28 Jakub Jelinek <jakub@redhat.com>
1788 * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
1791 2018-02-27 Martin Sebor <msebor@redhat.com>
1793 * pt.c: Avoid including <string> directly.
1795 2018-02-27 Martin Sebor <msebor@redhat.com>
1799 * cp-tree.h (warn_spec_missing_attributes): New function.
1800 ((check_explicit_specialization): Add an argument. Call the above
1802 * decl.c (duplicate_decls): Avoid applying primary function template's
1803 attributes to its explicit specializations.
1804 cp/pt.c (warn_spec_missing_attributes): Define.
1806 2018-02-27 HÃ¥kon Sandsmark <hsandsmark@gmail.com>
1808 PR c++/71546 - lambda init-capture with qualified-id.
1809 * parser.c (cp_parser_lambda_introducer): Clear scope after
1810 each lambda capture.
1812 2018-02-27 Nathan Sidwell <nathan@acm.org>
1815 * name-lookup.h (get_member_slot): Rename ...
1816 (find_member_slot): ... here.
1817 (add_member_slot): New.
1818 * name-lookup.c (member_vec_linear_search): No need to check for
1820 (get_member_slot): Rename ...
1821 (find_member_slot): ... here. Don't add slot for incomplete class.
1822 (add_member_slot): New.
1823 * class.c (add_method): Adjust get_member_slot rename. Bail out
1824 if push_class_level_binding fails. Create slot and grok
1825 properties once we're committed to insertion.
1827 2018-02-27 Jason Merrill <jason@redhat.com>
1829 PR c++/84489 - dependent default template argument
1830 * pt.c (type_unification_real): Handle early substitution failure.
1832 2018-02-26 Jason Merrill <jason@redhat.com>
1834 PR c++/84560 - ICE capturing multi-dimensional VLA.
1835 * tree.c (array_of_runtime_bound_p): False if the element is
1838 PR c++/84441 - ICE with base initialized from ?:
1839 * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
1841 PR c++/84520 - ICE with generic lambda in NSDMI.
1842 * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
1843 'this' in a generic lambda instantiation.
1845 PR c++/84559 - ICE with constexpr VLA.
1846 * constexpr.c (ensure_literal_type_for_constexpr_object): Check
1847 for constexpr variable with VLA type.
1849 2018-02-26 Jakub Jelinek <jakub@redhat.com>
1852 * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
1853 a valid constant initializer. Formatting fixes.
1855 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
1858 * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
1859 returning NULL_TREE.
1860 (apply_late_template_attributes): Likewise.
1862 2018-02-26 Jakub Jelinek <jakub@redhat.com>
1865 * parser.c (cp_parser_omp_var_list_no_open): Only call
1866 cp_parser_lookup_name_simple on names satisfying identifier_p.
1867 (cp_parser_oacc_routine): Likewise.
1869 2018-02-26 Jason Merrill <jason@redhat.com>
1871 PR c++/84551 - ICE with concepts and -g.
1872 * parser.c (add_debug_begin_stmt): Do nothing in a concept.
1874 2018-02-26 Marek Polacek <polacek@redhat.com>
1877 * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
1880 2018-02-26 Jason Merrill <jason@redhat.com>
1882 PR c++/84447 - ICE with deleted inherited ctor with default arg.
1883 * call.c (build_over_call): Handle deleted functions in one place.
1885 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
1888 * decl.c (redeclaration_error_message): Don't try to use
1889 DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
1891 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
1893 * lambda.c (build_capture_proxy): Define static.
1894 * cp-tree.h (build_capture_proxy): Remove.
1896 2018-02-26 Marek Polacek <polacek@redhat.com>
1899 * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
1900 if name is error node.
1902 2018-02-25 Jason Merrill <jason@redhat.com>
1904 PR c++/84015 - ICE with class deduction and auto template parm.
1905 * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
1907 2018-02-24 Marek Polacek <polacek@redhat.com>
1910 * constexpr.c (maybe_constant_init_1): New function.
1911 (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
1912 (cxx_constant_init): New function.
1913 * cp-tree.h (cxx_constant_init): Declare.
1914 * typeck2.c (store_init_value): Call cxx_constant_init instead of
1915 cxx_constant_value. Move the maybe_constant_init call under an 'else'.
1917 2018-02-22 Jason Merrill <jason@redhat.com>
1919 PR c++/70468 - ICE with constructor delegation via typedef.
1920 * pt.c (tsubst_initializer_list): Check for other mem-initializers
1921 with constructor delegation.
1923 2018-02-22 Jason Merrill <jason@redhat.com>
1925 PR c++/84424 - ICE with constexpr and __builtin_shuffle.
1926 * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
1929 2018-02-22 Marek Polacek <polacek@redhat.com>
1932 * parser.c (cp_parser_braced_list): Use require_open instead of
1935 2018-02-21 Jason Merrill <jason@redhat.com>
1937 PR c++/84454 - ICE with pack expansion in signature.
1938 * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
1940 2018-02-20 Siddhesh Poyarekar <siddhesh@sourceware.org>
1942 * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
1945 2018-02-20 Paolo Carlini <paolo.carlini@oracle.com>
1948 * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
1951 2018-02-20 Jakub Jelinek <jakub@redhat.com>
1954 * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
1955 TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
1958 * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
1959 returns error_mark_node, return it immediately.
1960 (break_out_target_exprs): If cp_walk_tree with bot_manip returns
1961 error_mark_node, return error_mark_node.
1964 * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
1965 function_depth to avoid GC during finish_lambda_function.
1967 2018-02-19 Jason Merrill <jason@redhat.com>
1969 PR c++/84429 - ICE capturing VLA.
1970 * lambda.c (build_capture_proxy): Handle reference refs.
1972 2018-02-19 Jakub Jelinek <jakub@redhat.com>
1975 * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
1976 either operand is error_mark_node, set current.lhs to that instead of
1977 creating a binary op with error_mark_node operands.
1980 * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
1982 2018-02-19 Paolo Carlini <paolo.carlini@oracle.com>
1985 * decl.c (grokdeclarator): Early return error_mark_node upon
1986 ill-formed friend declaration.
1988 2018-02-16 Marek Polacek <polacek@redhat.com>
1989 Jakub Jelinek <jakub@redhat.com>
1992 * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
1993 set *jump_target to anything if jump_target is NULL.
1995 2018-02-16 Jason Merrill <jason@redhat.com>
1997 PR c++/84151 - unnecessary volatile load with static member.
1998 * call.c (build_new_method_call_1): Avoid loading from a volatile
1999 lvalue used as the object argument for a static member function.
2001 PR c++/81853 - using-directive and constexpr.
2002 * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
2004 PR c++/84420 - ICE with structured binding in lambda.
2005 * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
2007 PR c++/83835 - C++17 error with constructor ctors.
2008 * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
2010 PR c++/82664 - ICE with reference to function template parm.
2011 * pt.c (convert_nontype_argument_function): Avoid obfuscationg
2014 PR c++/82764 - C++17 ICE with empty base
2015 * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
2017 2018-02-16 Jason Merrill <jason@redhat.com>
2019 PR c++/84421 - type-dependent if constexpr
2020 * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
2022 2018-02-16 Nathan Sidwell <nathan@acm.org>
2024 Deprecate -ffriend-injection.
2025 * decl.c (cxx_init_decl_processing): Emit warning on option.
2026 * name-lookup.c (do_pushdecl): Emit warning if we push a visible
2029 2018-02-16 Paolo Carlini <paolo.carlini@oracle.com>
2032 * decl.c (check_special_function_return_type): Reject template
2033 template parameter in deduction guide.
2035 2018-02-16 Nathan Sidwell <nathan@acm.org>
2038 * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
2040 2018-02-15 Jason Merrill <jason@redhat.com>
2042 PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
2043 * call.c (convert_like_real): Don't use the copy-list-initialization
2044 shortcut for ck_base.
2046 PR c++/84045 - ICE with typedef and noexcept.
2047 * except.c (build_noexcept_spec): Use strip_typedefs_expr.
2049 PR c++/84376 - ICE with omitted template arguments.
2050 * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
2052 PR c++/84368 - wrong error with local variable in variadic lambda.
2053 * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
2054 local_specializations.
2056 2018-02-15 Paolo Carlini <paolo.carlini@oracle.com>
2059 * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
2062 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
2065 * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
2068 2018-02-14 Nathan Sidwell <nathan@acm.org>
2070 * decl2.c (mark_vtable_entries): Set input_location to decl's.
2071 (c_parse_final_cleanups): Restore input_location after emitting
2074 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
2076 * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
2077 (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
2078 auto_deduction_context, tree, int): Add defaults.
2079 * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
2080 (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
2081 tsubst_flags_t argument.
2082 * init.c (build_new): Likewise.
2084 2018-02-13 Jakub Jelinek <jakub@redhat.com>
2087 * typeck.c (check_return_expr): Don't emit -Weffc++ warning
2088 about return other than *this in assignment operators if
2089 retval is type dependent expression.
2091 2018-02-13 Paolo Carlini <paolo.carlini@oracle.com>
2094 * call.c (build_conditional_expr_1): Use cp_save_expr instead of
2095 save_expr for the G++ extension.
2097 2018-02-13 Jason Merrill <jason@redhat.com>
2099 PR c++/84080 - ICE with return type deduction and specialization.
2100 * pt.c (determine_specialization): Check uses_template_parms.
2102 Fix more variadic capture issues.
2103 * pt.c (find_parameter_packs_r): Also look at explicit captures.
2104 (check_for_bare_parameter_packs): Check current_class_type for
2106 (extract_locals_r): Handle seeing a full instantiation of a pack.
2107 (tsubst_pack_expansion): Likewise. Force lambda capture.
2108 * parser.c (cp_parser_lambda_introducer): Don't
2109 check_for_bare_parameter_packs.
2111 PR c++/84338 - wrong variadic sizeof.
2112 * pt.c (argument_pack_select_arg): Like the macro, but look through
2114 (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
2115 (extract_fnparm_pack): Do make_pack_expansion.
2116 (extract_locals_r): Do strip a pack expansion.
2117 * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
2119 2018-02-12 Jakub Jelinek <jakub@redhat.com>
2122 * parser.c (cp_parser_binary_expression): Use build_min instead of
2123 build2_loc to build the no_toplevel_fold_p toplevel binary expression.
2125 2018-02-12 Nathan Sidwell <nathan@acm.org>
2128 * parser.c (cp_parser_decltype): Push and pop
2129 deferring_access_checks. Reorganize to avoid goto.
2131 2018-02-12 Richard Biener <rguenther@suse.de>
2134 * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
2135 uniform constructors and delay allocating them fully.
2137 2018-02-09 Jason Merrill <jason@redhat.com>
2139 PR c++/84036 - ICE with variadic capture.
2140 Handle variadic capture proxies more like non-variadic.
2141 * lambda.c (build_capture_proxy): Remove workaround.
2142 * pt.c (find_parameter_packs_r): The proxy is a pack.
2143 (instantiate_class_template_1): Remove dead lambda code.
2144 (extract_fnparm_pack): Don't make_pack_expansion.
2145 (extract_locals_r): Don't strip a pack expansion.
2146 (tsubst_pack_expansion): Handle proxy packs. Use
2147 PACK_EXPANSION_EXTRA_ARGS less.
2148 (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
2149 (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
2150 [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
2151 (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
2152 (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
2154 2018-02-10 Jakub Jelinek <jakub@redhat.com>
2157 * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
2159 2018-02-09 Jason Merrill <jason@redhat.com>
2161 PR c++/81917 - ICE with void_t and partial specialization.
2162 * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
2163 calling most_specialized_partial_spec.
2165 2018-02-09 Nathan Sidwell <nathan@acm.org>
2168 * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
2169 Pass expr location to strict_aliasing_warning.
2171 2018-02-09 Jason Merrill <jason@redhat.com>
2173 PR c++/84296 - ICE with qualified-id in template.
2175 * pt.c (unknown_base_ref_p): New.
2176 (instantiation_dependent_scope_ref_p): Use it instead of
2177 any_dependent_bases_p.
2179 2018-02-09 Marek Polacek <polacek@redhat.com>
2180 Jakub Jelinek <jakub@redhat.com>
2183 * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
2184 fold_indirect_ref_1, including poly_*int64. Verify first that
2185 tree_fits_poly_int64_p (op01). Formatting fixes.
2187 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
2189 * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
2190 * lambda.c (build_capture_proxy): Likewise.
2191 * search.c (field_access_p): Likewise.
2192 * semantics.c (omp_clause_decl, omp_privatize_field,
2193 finish_omp_clauses): Likewise.
2195 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
2198 * typeck.c (decay_conversion): Use mark_rvalue_use for the special
2199 case of nullptr too.
2201 2018-02-08 Nathan Sidwell <nathan@acm.org>
2203 * class.c (finish_struct): Fix std:initializer_list diagnostic
2206 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
2209 * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
2211 2018-02-07 Jakub Jelinek <jakub@redhat.com>
2214 * parser.c (cp_parser_dot_deref_incomplete): New function.
2215 (cp_parser_postfix_dot_deref_expression): Use it.
2217 2018-02-07 David Malcolm <dmalcolm@redhat.com>
2221 * name-lookup.c (suggest_rid_p): New function.
2222 (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
2225 2018-02-07 Jason Merrill <jason@redhat.com>
2227 PR c++/84182 - ICE with captured lambda
2229 * pt.c (extract_locals_r, extract_local_specs): New.
2230 (tsubst_pack_expansion): Use them.
2232 2018-02-07 Martin Liska <mliska@suse.cz>
2235 * class.c (add_method): Append argument value.
2236 * cp-tree.h (maybe_version_functions): Add new argument.
2237 * decl.c (decls_match): Call it if a declaration does not
2238 have DECL_FUNCTION_VERSIONED.
2239 (maybe_version_functions): record argument is added.
2241 2018-02-05 Marek Polacek <polacek@redhat.com>
2243 * class.c: Remove unused global variables.
2244 (build_primary_vtable): Don't gather statistics.
2245 (print_class_statistics): Remove.
2246 * cp-tree.h (print_class_statistics): Remove.
2247 * tree.c (cxx_print_statistics): Don't call print_class_statistics.
2249 2018-02-02 Paolo Carlini <paolo.carlini@oracle.com>
2251 * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
2252 * constexpr.c (cx_check_missing_mem_inits): Likewise.
2253 * decl.c (next_initializable_field, find_decomp_class_base,
2254 cp_finish_decomp): Likewise.
2255 * typeck2.c (process_init_constructor_record): Likewise.
2257 2018-02-02 Jason Merrill <jason@redhat.com>
2259 PR c++/84181 - ICE with lambda parm in template argument.
2260 * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
2262 2018-02-01 Jason Merrill <jason@redhat.com>
2264 PR c++/84160 - ICE with nested variadic capture.
2265 * lambda.c (is_capture_proxy_with_ref): New.
2266 (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
2268 * expr.c (mark_use): Use is_capture_proxy_with_ref.
2269 * constexpr.c (potential_constant_expression_1): Likewise.
2270 * semantics.c (process_outer_var_ref): Likewise.
2272 2018-02-01 Marek Polacek <polacek@redhat.com>
2275 * typeck.c (build_address): Relax the assert when
2276 processing_template_decl.
2278 2018-02-01 Jason Merrill <jason@redhat.com>
2280 PR c++/84126 - ICE with variadic generic lambda
2283 * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
2284 PACK_EXPANSION_EXTRA_ARGS.
2286 2018-02-01 Paolo Carlini <paolo.carlini@oracle.com>
2289 * call.c (convert_like_real): If w're initializing from {} explicitly
2290 call abstract_virtuals_error_sfinae.
2292 2018-01-31 Jason Merrill <jason@redhat.com>
2293 Jakub Jelinek <jakub@redhat.com>
2296 * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
2297 around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
2300 2018-01-31 Jakub Jelinek <jakub@redhat.com>
2303 * constexpr.c (diag_array_subscript): Emit different diagnostics
2304 if TYPE_DOMAIN (arraytype) is NULL.
2305 (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
2306 with NULL TYPE_DOMAIN use size_zero_node as nelts.
2308 2018-01-31 Paolo Carlini <paolo.carlini@oracle.com>
2311 * semantics.c (finish_qualified_id_expr): When handling an
2312 UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
2314 2018-01-31 Marek Polacek <polacek@redhat.com>
2317 * cp-gimplify.c (cp_fold): Check if X is an error node before
2318 calling useless_type_conversion_p.
2320 2018-01-30 Jason Merrill <jason@redhat.com>
2322 PR c++/84091 - ICE with local class in lambda in template.
2323 * decl2.c (determine_visibility): Look for outer containing template
2326 PR c++/84098 - ICE with lambda in template NSDMI.
2327 * pt.c (instantiate_class_template_1): Ignore more lambdas.
2329 2018-01-29 Jason Merrill <jason@redhat.com>
2331 PR c++/68810 - wrong location for reinterpret_cast error.
2332 * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
2335 2018-01-29 Marek Polacek <polacek@redhat.com>
2338 * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
2339 => fooarray[1] in offset_int.
2341 2018-01-29 Jason Merrill <jason@redhat.com>
2343 PR c++/83942 - wrong unused warning with static_cast.
2344 * cvt.c (ocp_convert): Call mark_rvalue_use.
2346 2018-01-26 Jason Merrill <jason@redhat.com>
2348 PR c++/83956 - wrong dtor error with anonymous union
2349 * method.c (walk_field_subobs): Variant members only affect
2351 (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
2353 PR c++/84036 - ICE with variadic capture.
2355 * pt.c (tsubst_pack_expansion): When optimizing a simple
2356 substitution, pull a single pack expansion out of its pack.
2358 PR c++/82514 - ICE with local class in generic lambda.
2359 * pt.c (regenerated_lambda_fn_p): Remove.
2360 (enclosing_instantiation_of): Don't use it.
2361 (tsubst_function_decl): Call enclosing_instantiation_of.
2363 * pt.c (lookup_template_class_1): Add sanity check.
2364 * name-lookup.c (do_pushtag): Don't add closures to local_classes.
2366 2018-01-25 Jakub Jelinek <jakub@redhat.com>
2369 * decl.c (find_decomp_class_base): Ignore unnamed bitfields. Ignore
2370 recursive calls that return ret.
2371 (cp_finish_decomp): Ignore unnamed bitfields.
2373 2018-01-23 Jason Merrill <jason@redhat.com>
2375 PR c++/82249 - wrong mismatched pack length error.
2376 * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
2377 unsubstituted function parameter pack.
2379 2018-01-23 Paolo Carlini <paolo.carlini@oracle.com>
2382 * decl.c (check_for_uninitialized_const_var): Not static; add
2383 bool and tsubst_flags_t parameters; adjust to be used both in
2384 constexpr context and not.
2385 * constexpr.c (potential_constant_expression_1): Use the above.
2386 * cp-tree.h (check_for_uninitialized_const_var): Declare.
2388 2018-01-23 Jason Merrill <jason@redhat.com>
2390 PR c++/83947 - ICE with auto declarations.
2391 * pt.c (do_auto_deduction): Don't deduce from an auto decl.
2392 * decl.c (undeduced_auto_decl): Limit to vars and fns.
2394 2018-01-23 David Malcolm <dmalcolm@redhat.com>
2397 * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
2398 for pointer to member function types.
2400 2018-01-23 Jakub Jelinek <jakub@redhat.com>
2403 * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
2404 DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
2406 2018-01-23 Nathan Sidwell <nathan@acm.org>
2409 * pt.c (tsubst_baselink): Remove optype assert.
2410 * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
2412 2018-01-23 Jakub Jelinek <jakub@redhat.com>
2415 * decl.c (cp_finish_decomp): Diagnose if reference structure binding
2416 refers to incomplete type.
2418 2018-01-23 Nathan Sidwell <nathan@acm.org>
2420 Deprecate ARM-era for scope handling
2421 * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
2422 (cxx_init_decl_processing): Deprecate flag_new_for_scope being
2424 * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
2426 * semantics.c (begin_for_scope): Flag_new_for_scope is
2428 (finish_for_stmt, begin_range_for_stmt): Likewise.
2430 2018-01-22 Jason Merrill <jason@redhat.com>
2433 * decl2.c (determine_visibility): Fix template_decl handling
2434 instead of blocking it.
2436 PR c++/83720 - ICE with lambda and LTO.
2437 * decl2.c (determine_visibility): Clear template_decl for
2438 function-scope decls. Propagate anonymous linkage from containing
2441 2018-01-22 Marek Polacek <polacek@redhat.com>
2444 * typeck2.c (split_nonconstant_init_1): Return false if we didn't
2447 2018-01-22 Ville Voutilainen <ville.voutilainen@gmail.com>
2450 * decl.c (grokdeclarator): Don't diagnose extra parens
2453 2018-01-19 Jakub Jelinek <jakub@redhat.com>
2456 * call.c (joust): Use TREE_TYPE (source) if source is
2457 a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
2460 * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
2461 for direct enum init.
2462 * decl.c (reshape_init): Likewise.
2464 2018-01-19 Marek Polacek <polacek@redhat.com>
2466 * constexpr.c (fold_simple): Simplify.
2468 2018-01-18 Jason Merrill <jason@redhat.com>
2471 * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
2472 * pt.c (instantiation_dependent_scope_ref_p): True if
2473 any_dependent_bases_p.
2475 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
2477 * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
2478 vs DECL_NONTRIVIALLY_INITIALIZED_P).
2480 2018-01-18 Jason Merrill <jason@redhat.com>
2482 PR c++/82461 - constexpr list-initialized member
2483 * constexpr.c (potential_constant_expression_1): Check
2484 TARGET_EXPR_DIRECT_INIT_P.
2486 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
2489 * decl.c (xref_basetypes): Early return upon error about derived
2492 2018-01-18 Nathan Sidwell <nathan@acm.org>
2495 * cp-tree.h (mark_use): Declare.
2496 * expr.c (mark_use): Make extern.
2497 * call.c (direct_reference_binding): Set inner conv's
2498 rvaluedness_matches_p, if it is an identity.
2499 (convert_like_real): Mark lvalue or rvalue use for identity as
2500 rvaledness_matches_p demands.
2502 2018-01-18 Jakub Jelinek <jakub@redhat.com>
2505 * parser.c (attr_chainon): New function.
2506 (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
2507 cp_parser_namespace_definition, cp_parser_init_declarator,
2508 cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
2509 cp_parser_gnu_attributes_opt): Use it.
2510 (cp_parser_member_declaration, cp_parser_objc_class_ivars,
2511 cp_parser_objc_struct_declaration): Likewise. Don't reset
2512 prefix_attributes if attributes is error_mark_node.
2514 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
2517 * decl.c (grokdeclarator): Do not append the error_mark_node
2518 due to an erroneous optional attribute-specifier-seq.
2520 2018-01-17 Jakub Jelinek <jakub@redhat.com>
2523 * cp-gimplify.c (cp_maybe_instrument_return): Handle
2526 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
2529 * constexpr.c (ensure_literal_type_for_constexpr_object): Return
2530 error_mark_node when we give an error.
2531 * decl.c (cp_finish_decl): Use the latter.
2533 2018-01-17 Nathan Sidwell <nathan@acm.org>
2536 * init.c (build_raw_new_expr): Scan list for lookups to keep.
2538 2018-01-17 David Malcolm <dmalcolm@redhat.com>
2541 * expr.c (fold_for_warn): Move from c-common.c, reducing to just
2542 the C++ part. If processing a template, call
2543 fold_non_dependent_expr rather than fully folding.
2545 2018-01-17 Jason Merrill <jason@redhat.com>
2547 PR c++/81067 - redundant NULL warning.
2548 * call.c (convert_like_real): Restore null_node handling.
2550 2018-01-17 Jason Merrill <jason@redhat.com>
2552 PR c++/81843 - ICE with variadic member template.
2554 * pt.c (unify_pack_expansion): Don't try to deduce enclosing
2557 2018-01-17 David Malcolm <dmalcolm@redhat.com>
2560 * pt.c (type_dependent_expression_p): Strip any location wrapper
2561 before testing tree codes.
2562 (selftest::test_type_dependent_expression_p): New function.
2563 (selftest::cp_pt_c_tests): Call it.
2565 2018-01-17 Nathan Sidwell <nathan@acm.org>
2568 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
2569 this not a final instantiation.
2571 2018-01-16 Jason Merrill <jason@redhat.com>
2573 PR c++/83714 - ICE checking return in template.
2574 * typeck.c (check_return_expr): Call build_non_dependent_expr.
2576 2018-01-16 Jakub Jelinek <jakub@redhat.com>
2579 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
2580 is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
2581 instead of CALL_FROM_THUNK_P.
2584 * name-lookup.c (member_vec_dedup): Return early if len is 0.
2585 (resort_type_member_vec, set_class_bindings,
2586 insert_late_enum_def_bindings): Use vec qsort method instead of
2587 calling qsort directly.
2589 2018-01-15 Martin Sebor <msebor@redhat.com>
2592 * class.c (find_flexarrays): Make a record of multiple flexible array
2595 2018-01-12 Jason Merrill <jason@redhat.com>
2597 PR c++/83186 - ICE with static_cast of list-initialized temporary.
2598 * typeck.c (build_static_cast): Use build_non_dependent_expr.
2600 2018-01-12 Nathan Sidwell <nathan@acm.org>
2602 * cp-tree.h (mark_rvalue_use): Add parm name.
2603 * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
2605 * call.c (convert_like_real): Fix formatting.
2607 2018-01-11 Jason Merrill <jason@redhat.com>
2609 PR c++/82728 - wrong -Wunused-but-set-variable
2612 * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
2613 * decl.c (case_conversion): Likewise.
2614 * semantics.c (finish_static_assert): Call
2615 perform_implicit_conversion_flags.
2617 2018-01-11 Nathan Sidwell <nathan@acm.org>
2619 * method.c (enum mangling_flags): Delete long-dead enum.
2621 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
2623 * parser.c (cp_parser_std_attribute_spec): When
2624 token_pair::require_open / require_close return false simply
2625 return error_mark_node, avoid duplicate cp_parser_error about
2626 expected '(' / ')', respectively.
2628 2018-01-10 David Malcolm <dmalcolm@redhat.com>
2631 * call.c (null_ptr_cst_p): Strip location wrappers when
2632 converting from '0' to a pointer type in C++11 onwards.
2633 (conversion_null_warnings): Replace comparison with null_node with
2634 call to null_node_p.
2635 (build_over_call): Likewise.
2636 * cp-gimplify.c (cp_fold): Remove the early bailout when
2637 processing_template_decl.
2638 * cp-lang.c (selftest::run_cp_tests): Call
2639 selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
2640 * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
2641 (selftest::run_cp_tests): Move decl to bottom of file.
2642 (null_node_p): New inline function.
2643 (selftest::cp_pt_c_tests): New decl.
2644 (selftest::cp_tree_c_tests): New decl.
2645 * cvt.c (build_expr_type_conversion): Replace comparison with
2646 null_node with call to null_node_p.
2647 * error.c (args_to_string): Likewise.
2648 * except.c (build_throw): Likewise.
2649 * mangle.c (write_expression): Skip location wrapper nodes.
2650 * parser.c (literal_integer_zerop): New function.
2651 (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
2652 the result for RID_TYPEID. Pass true for new "wrap_locations_p"
2653 param of cp_parser_parenthesized_expression_list. When calling
2654 warn_for_memset, replace integer_zerop calls with
2655 literal_integer_zerop, eliminating the double logical negation
2656 cast to bool. Eliminate the special-casing for CONST_DECL in
2657 favor of the fold_for_warn within warn_for_memset.
2658 (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
2659 param, defaulting to false. Convert "expr" to a cp_expr, and call
2660 maybe_add_location_wrapper on it when wrap_locations_p is true.
2661 (cp_parser_unary_expression): Call maybe_add_location_wrapper on
2662 the result for RID_ALIGNOF and RID_SIZEOF.
2663 (cp_parser_builtin_offsetof): Likewise.
2664 * pt.c: Include "selftest.h".
2665 (tsubst_copy): Handle location wrappers.
2666 (tsubst_copy_and_build): Likewise.
2667 (build_non_dependent_expr): Likewise.
2668 (selftest::test_build_non_dependent_expr): New function.
2669 (selftest::cp_pt_c_tests): New function.
2670 * tree.c: Include "selftest.h".
2671 (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
2672 (selftest::test_lvalue_kind): New function.
2673 (selftest::cp_tree_c_tests): New function.
2674 * typeck.c (string_conv_p): Strip any location wrapper from "exp".
2675 (cp_build_binary_op): Replace comparison with null_node with call
2677 (build_address): Use location of operand when building address
2680 2018-01-10 Marek Polacek <polacek@redhat.com>
2683 * call.c (build_conditional_expr_1): Check complain before warning.
2684 * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
2685 -Wduplicated-branches.
2687 2018-01-10 Jakub Jelinek <jakub@redhat.com>
2690 * call.c (maybe_warn_class_memaccess): Add forward declaration.
2691 Change last argument from tree * to const vec<tree, va_gc> *, adjust
2692 args uses and check number of operands too. Don't strip away any
2693 nops. Use maybe_constant_value when looking for INTEGER_CST args.
2694 Deal with src argument not having pointer type. Check
2695 tree_fits_uhwi_p before calling tree_to_uhwi. Remove useless
2697 (build_over_call): Call maybe_warn_class_memaccess here on the
2699 (build_cxx_call): Rather than here on converted arguments.
2701 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
2704 * init.c (build_vec_init): Avoid building an INIT_EXPR with
2705 error_mark_node as second argument.
2707 2018-01-09 Jakub Jelinek <jakub@redhat.com>
2710 * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
2711 in STATEMENT_LIST. Remove unneeded assert.
2713 2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
2714 Alan Hayward <alan.hayward@arm.com>
2715 David Sherwood <david.sherwood@arm.com>
2717 * constexpr.c (cxx_eval_array_reference): Handle polynomial
2719 (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
2720 * call.c (build_conditional_expr_1): Likewise.
2721 * decl.c (cp_finish_decomp): Likewise.
2722 * mangle.c (write_type): Likewise.
2723 * typeck.c (structural_comptypes): Likewise.
2724 (cp_build_binary_op): Likewise.
2725 * typeck2.c (process_init_constructor_array): Likewise.
2727 2018-01-03 Jakub Jelinek <jakub@redhat.com>
2730 * typeck.c (build_static_cast_1): For static casts to reference types,
2731 call build_base_path with flag_delete_null_pointer_checks as nonnull
2732 instead of always false. When -fsanitize=null, call
2733 ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
2734 * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
2735 call if the first argument is INTEGER_CST with REFERENCE_TYPE.
2737 2018-01-03 Nathan Sidwell <nathan@acm.org>
2740 * method.c (make_alias_for): Copy DECL_CONTEXT.
2742 2018-01-03 Marek Polacek <polacek@redhat.com>
2745 * decl.c (grokdeclarator): Don't warn about MVP in typename context.
2747 2018-01-03 Jakub Jelinek <jakub@redhat.com>
2749 PR preprocessor/83602
2750 * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
2754 * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
2755 error_mark_node, return error_mark_node.
2757 Update copyright years.
2759 2018-01-02 Jakub Jelinek <jakub@redhat.com>
2762 * tree.c (replace_placeholders_r): Pass NULL as last argument to
2763 cp_walk_tree instead of d->pset. If non-TREE_CONSTANT and
2764 non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
2765 to false and return.
2766 (replace_placeholders): Pass NULL instead of &pset as last argument
2769 2018-01-02 Nathan Sidwell <nathan@acm.org>
2771 * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
2774 Copyright (C) 2018 Free Software Foundation, Inc.
2776 Copying and distribution of this file, with or without modification,
2777 are permitted in any medium without royalty provided the copyright
2778 notice and this notice are preserved.