1 2007-07-30 Paolo Carlini <pcarlini@suse.de>
4 * semantics.c (finish_label_stmt): Reject the __label__
5 extension outside function scopes.
7 2007-07-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9 * parser.c (eof_token): Un-constify.
10 (cp_lexer_new_main, cp_lexer_new_from_tokens, VEC_alloc,
11 cp_lexer_consume_token, cp_lexer_purge_token): Remove spurious
14 2007-07-28 Kazu Hirata <kazu@codesourcery.com>
16 * pt.c, tree.c, typeck2.c: Fix comment typos.
18 2007-07-28 Simon Martin <simartin@users.sourceforge.net>
19 Mark Mitchell <mark@codesourcery.com>
22 * name-lookup.c (lookup_name_real): Non namespace-scope bindings can be
23 hidden due to friend declarations in local classes.
25 2007-07-27 Douglas Gregor <doug.gregor@gmail.com>
27 * typeck.c (structural_comptypes): Compare DECLTYPE_TYPE nodes.
28 * cp-tree.def (DECLTYPE_TYPE): New.
29 * error.c (dump_type): Dump DECLTYPE_TYPE nodes.
30 (dump_type_prefix): Ditto.
31 (dump_type_suffix): Ditto.
32 * tree.c (DECLTYPE_TYPE): Walk DECLTYPE_TYPE nodes.
33 * mangle.c (write_type): Handle DECLTYPE_TYPE.
34 * cp-tree.h (IS_AGGR_TYPE): DECLTYPE_TYPE nodes can be aggregate
36 (DECLTYPE_TYPE_EXPR): New.
37 (DECLTYPE_TYPE_ID_EXPR_OR_MEMBER_ACCESS_P): New.
38 (finish_declared_type): Declare.
39 * cxx-pretty-print.c (pp_cxx_type_specifier_seq): Print
41 (pp_cxx_type_id): Ditto.
42 * pt.c (for_each_template_parm_r): Walk DECLTYPE_TYPE children.
43 (tsubst): Substitute into a DECLTYPE_TYPE node.
45 (unify): Cannot deduce anything from TYPEOF_TYPE or DECLTYPE_TYPE
47 (dependent_type_p_r): DECLTYPE_TYPE types are always dependent.
48 * semantics.c (finish_typeof): TYPEOF_TYPE types need to use
49 structural equality (because we can't hash the expressions).
50 (finish_declared_type): New.
51 * lex.c (reswords): Add "decltype" keyword.
52 * parser.c cp_lexer_next_token_is_decl_specifier_keyword
53 (cp_parser_postfix_expression): Add member_access_only_p to
54 restrict postfix expression to member access expressions.
55 (cp_parser_unary_expression): Update call to
56 cp_parser_postfix_expression to reflect new parameter.
57 (cp_parser_declared_type): New.
58 (cp_parser_simple_type_specifier): Parse decltype types.
60 2007-07-27 Mark Mitchell <mark@codesourcery.com>
63 * call.c (convert_for_arg_passing): Only widen bitfields to their
64 declared types if necessary.
66 2007-07-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
68 * parser.c (cp_parser_string_literal, cp_parser_sizeof_operand):
71 2007-07-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
73 * decl.c (typename_hash, typename_compare): Constify.
74 * mangle.c (hash_type, compare_type): Likewise.
75 * pt.c (eq_local_specializations, hash_local_specialization):
77 * tree.c (cplus_array_hash, cplus_array_compare, list_hash_eq,
79 * typeck2.c (pat_compare): Likewise.
81 2007-07-24 Nathan Sidwell <nathan@codesourcery.com>
83 * method.c (implicitly_declare_fn): Increase alignment if member
84 function pointer format requires it.
86 2007-07-24 Paolo Carlini <pcarlini@suse.de>
89 * typeck.c (check_return_expr): Do not pass a null argument
92 2007-07-24 Paolo Carlini <pcarlini@suse.de>
95 * decl.c (redeclaration_error_message): Call DECL_ANON_UNION_VAR_P
98 2007-07-22 Nathan Sidwell <nathan@codesourcery.com>
101 * typeck.c (convert_arguments): Only use default args if we have
105 * typeck.c (structural_comptypes): No need to check
106 resolve_typename_type return value here.
107 * cp-tree.h (TYPENAME_IS_RESOLVING_P): New.
108 * pt.c (resolve_typename_type): Follow typename typedefs. Return
109 original type rather than error_mark_node in case of failure.
110 * parser.c (cp_parser_nested_name_specifier_opt): Adjust
111 resolve_typename_type result check.
112 (cp_parser_direct_declarator, cp_parser_head,
113 cp_parser_constructor_declarator_p): Likewise.
115 2007-07-12 Kazu Hirata <kazu@codesourcery.com>
117 * pt.c (template_parms_variadic_p): Remove.
118 * cp-tree.h: Remove the prototype for template_parms_variadic_p.
120 2007-07-12 Jakub Jelinek <jakub@redhat.com>
123 * error.c (dump_expr) <case AGGR_INIT_EXPR>: Pass true as last
124 argument to dump_aggr_init_expr_args instead of false.
126 2007-07-11 Douglas Gregor <doug.gregor@gmail.com>
128 * typeck.c (comptypes): When USE_CANONICAL_TYPES, use the
129 canonical types; otherwise, fall back to structural type
130 comparisons. If ENABLE_CHECKING and USE_CANONICAL_TYPES, give an
131 internal compiler error if the canonical types are wrong.
133 2007-07-11 Paolo Carlini <pcarlini@suse.de>
136 * parser.c (cp_parser_make_indirect_declarator): When the
137 the code argument is ERROR_MARK return cp_error_declarator.
139 2007-07-09 Geoffrey Keating <geoffk@apple.com>
142 * decl.c (cxx_init_decl_processing): Don't set
143 force_align_functions_log.
144 (grokfndecl): Honour ptrmemfunc_vbit_in_pfn.
145 * typeck.c (cxx_alignof_expr): When alignof is used on a plain
146 FUNCTION_DECL, return its alignment.
148 2007-07-09 Richard Guenther <rguenther@suse.de>
150 * decl.c (start_preparsed_function): Do not promote return type.
152 2007-07-08 Paolo Carlini <pcarlini@suse.de>
155 * pt.c (unify): Never pass error_mark_node to template_decl_level.
157 2007-07-07 Mark Mitchell <mark@codesourcery.com>
160 * pt.c (resolve_overloaded_unification): Robustify. Return a
162 (type_unification_real): Adjust accordingly.
164 2007-07-06 Richard Guenther <rguenther@suse.de>
166 * init.c (build_new_1): Use the correct pointer type.
167 * typeck2.c (build_m_component_ref): Likewise.
169 2007-07-05 Mark Mitchell <mark@codesourcery.com>
172 * init.c (build_zero_init): Always build an initializer for
174 * typeck2.c (build_functional_cast): Use build_zero_init.
177 * init.c (build_new_1): Always pass the allocation function to
178 build_op_delete_call.
179 * call.c (build_op_delete_call): Handle operator delete with a
180 variable-argument list. Do not issue an error when no matching
181 deallocation function is available for a new operator.
184 * cp-tree.h (any_value_dependent_elements_p): Declare it.
185 * decl.c (value_dependent_init_p): New function.
186 (cp_finish_decl): Use it.
187 * pt.c (value_dependent_expression_p): Use
188 any_value_dependent_elements_p.
189 * parser.c (cp_parser_primary_expression): Add comment about
190 treating dependent qualified names as integral
191 constant-expressions.
193 2007-07-04 Douglas Gregor <doug.gregor@gmail.com>
195 * decl.c (build_ptrmemfunc_type): Always use structural equality
196 tests when comparing pointer-to-member-function types, because the
197 handling of TYPE_GET_PTRMEMFUNC_TYPE currently defeats canonical
200 2007-07-03 Mark Mitchell <mark@codesourcery.com>
202 * init.c (build_new): Tweak comment.
204 2007-06-29 Dave Brolley <brolley@redhat.com>
207 * parser.c (cp_parser_new_type_id): Don't reduce a named array
208 type to its base type and number of elements here.
209 * init.c (build_new): Call complete_type_or_else to ensure that the
210 type is complete and to issue a diagnostic if it is not.
211 (build_new_1): Don't call complete_type_or_else here.
213 2007-07-03 Richard Guenther <rguenther@suse.de>
216 * class.c (fixed_type_or_null): Re-lookup the hashtable slot
219 2007-07-02 Simon Baldwin <simonb@google.com>
221 * parser.c (cp_parser_elaborated_type_specifier): Added a warning
222 for inner-style nested forward declarations that don't declare
225 2007-07-02 Jakub Jelinek <jakub@redhat.com>
228 * semantics.c (finish_omp_clauses): Use %qD instead of %qE for
229 DECL_P in not a variable and appears more than once error messages.
231 2007-07-01 Ollie Wild <aaw@google.com>
233 * name-lookup.c (ambiguous_decl): Fix case when new->value is hidden.
234 (select_decl): Remove function.
235 (unqualified_namespace_lookup): Populate binding by calling
236 ambiguous_decl. Remove select_decl call.
237 (lookup_qualified_name): Remove select_decl call.
238 * decl.c (lookup_and_check_tag): Check for ambiguous references.
239 * parser.c (cp_parser_elaborated_type_specifier): Skip redundant error
240 generation when name lookup is ambiguous.
242 2007-06-29 Douglas Gregor <doug.gregor@gmail.com>
245 * init.c (build_new_1): Use structural equality on the copy of the
248 2007-06-28 Geoffrey Keating <geoffk@apple.com>
250 * decl2.c (determine_visibility): Implement
251 flag_visibility_ms_compat effect on type info.
252 * decl.c (cxx_init_decl_processing): Implement
253 global effect of flag_visibility_ms_compat.
255 2007-06-28 Geoffrey Keating <geoffk@apple.com>
257 * decl2.c (start_objects): Mark constructor-running function
260 2007-06-26 Simon Martin <simartin@users.sourceforge.net>
263 * decl.c (grokdeclarator): Reset friendp for member functions declared
264 friend of their own class.
266 2007-06-23 Mark Mitchell <mark@codesourcery.com>
268 * decl2.c (determine_visibility): Don't look for dllexport here.
269 (determine_visibility_from_class): Tidy.
271 2007-06-18 Simon Baldwin <simonb@google.com>
274 * parser.c (cp_parser_single_declaration): Added check for storage
275 class other than sc_none in parsed declaration, and a flag to indicate
276 if the call is part of an explicit template specialization parse.
277 * (cp_parser_explicit_specialization): Specialization check flag added
278 to call to cp_parser_single_declaration(), set true.
279 * (cp_parser_template_declaration_after_export): Specialization check
280 flag added to call to cp_parser_single_declaration(), set false.
281 * pt.c (check_explicit_specialization): Added code to copy visiblity
282 and linkage from the templated function to the explicit specialization.
284 2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
286 * typeck.c (build_binary_op): For templates build the
287 expression in pieces to avoid the assert in build2_stat.
288 (get_member_function_from_ptrfunc):
289 Change over to using POINTER_PLUS_EXPR and convert
290 the second operand to sizetype.
291 * typeck2.c (build_m_component_ref): Likewise.
292 * init.c (expand_virtual_init): Create a POINTER_PLUS_EXPR
293 instead of PLUS_EXPR for pointers.
294 (build_new_1): Likewise.
295 (build_vec_delete_1): Likewise.
296 (build_vec_delete): Likewise.
297 * class.c (build_base_path): Likewise.
298 (build_base_path): Likewise.
299 (convert_to_base_statically): Likewise.
300 (fixed_type_or_null): Handle POINTER_PLUS_EXPR.
301 (get_vtbl_decl_for_binfo): Handle POINTER_PLUS_EXPR
302 instead of PLUS_EXPR.
303 (dfs_accumulate_vtbl_inits): Create a POINTER_PLUS_EXPR
304 instead of PLUS_EXPR for pointers.
305 * call.c (build_special_member_call): Likewise.
306 * rtti.c (build_headof): Likewise.
307 Use sizetype instead of ptrdiff_type_node.
308 (tinfo_base_init): Create a POINTER_PLUS_EXPR
309 instead of PLUS_EXPR for pointers.
310 * except.c (expand_start_catch_block): Do a
311 NEGATIVE and then a POINTER_PLUS_EXPR instead
313 * cp-gimplify.c (cxx_omp_clause_apply_fn): Convert
314 PLUS_EXPR on pointer types over to use
315 POINTER_PLUS_EXPR and remove the conversion
316 to the pointer types.
317 * method.c (thunk_adjust): Use POINTER_PLUS_EXPR for
318 adding to a pointer type. Use size_int instead of
319 ssize_int. Convert the index to sizetype before
320 adding it to the pointer.
322 2007-06-15 Mark Mitchell <mark@codesourcery.com>
324 * cp-tree.h (DECL_VAR_MARKED_P): Remove.
325 (DECL_ANON_UNION_VAR_P): New macro.
326 * class.c (fixed_type_or_null): Tidy. Use a hash table, rather
327 than DECL_VAR_MARKED_P, to keep track of which variables we have
329 * decl.c (redeclaration_error_message): Complain about redeclaring
330 anonymous union members at namespace scope.
331 * decl2.c (build_anon_union_vars): Set DECL_ANON_UNION_VAR_P.
333 2007-06-14 Geoff Keating <geoffk@apple.com>
335 * decl2.c (determine_visibility): Ensure that functions with
336 hidden types as parameters are hidden.
339 * decl2.c (determine_visibility): Remove duplicate code for
342 2007-06-12 Ian Lance Taylor <iant@google.com>
345 * init.c (avoid_placement_new_aliasing): New static function.
346 (build_new_1): Call it.
348 2007-06-11 Rafael Avila de Espindola <espindola@google.com>
350 * cp-objcp-common.h (LANG_HOOKS_SIGNED_TYPE): Remove.
351 (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
353 2007-06-08 Jakub Jelinek <jakub@redhat.com>
356 * semantics.c (finish_omp_for): Call fold_build_cleanup_point_expr
357 on init, the non-decl cond operand and increment value.
359 2007-06-07 Simon Martin <simartin@users.sourceforge.net>
362 * decl.c (check_initializer): Report an error when a brace enclosed
363 initializer is used for a non-aggregate type in C++98.
364 (redeclaration_error_message): Rewrote flag_cpp0x in terms of
366 (grokdeclarator): Likewise.
367 (move_fn_p): Likewise.
368 * typeck.c (check_return_expr): Likewise.
369 * call.c (reference_binding): Likewise.
370 * error.c (cp_cpp_error): Likewise.
371 * pt.c (check_default_tmpl_args): Likewise.
373 * lex.c (init_reswords): Likewise.
374 * parser.c (p_parser_primary_expression): Likewise.
375 (TOKEN_PRECEDENCE): Likewise.
376 (cp_parser_init_declarator): Likewise.
377 (cp_parser_ptr_operator): Likewise.
378 (cp_parser_parameter_declaration): Likewise.
379 (cp_parser_enclosed_template_argument_list): Likewise.
380 (cp_parser_skip_to_end_of_template_parameter_list): Likewise.
381 (cp_parser_next_token_ends_template_argument_p): Likewise.
383 2007-06-04 Simon Baldwin <simonb@google.com>
385 * decl.c (grokdeclarator): Readability change. Moved case labels
386 into direct switch statement scope.
388 2007-06-04 Paolo Carlini <pcarlini@suse.de>
390 * call.c (convert_like_real): Remove pointless code.
392 2007-05-31 Mark Mitchell <mark@codesourcery.com>
394 * decl.c (get_atexit_fn_ptr_type): New function.
395 (get_atexit_node): Use it.
396 (start_cleanup_fn): Likewise.
397 (register_dtor_fn): Use the object's destructor, instead of a
398 separate cleanup function, where possible.
399 * cp-tree.h (CPTI_ATEXIT_FN_PTR_TYPE): New enumerator.
400 (atexit_fn_ptr_type_node): New macro.
401 * decl2.c (build_cleanup): Use build_address.
403 2007-05-31 Daniel Berlin <dberlin@dberlin.org>
405 * typeck.c (build_binary_op): Include types in error.
407 2007-05-31 Jakub Jelinek <jakub@redhat.com>
410 * decl.c (cp_finish_decl): Also clear was_readonly if a static var
411 needs runtime initialization.
413 2007-05-31 Paolo Carlini <pcarlini@suse.de>
416 * semantics.c (finish_trait_expr): Complete the types.
418 2007-05-30 Russell Yanofsky <russ@yanofsky.org>
419 Douglas Gregor <doug.gregor@gmail.com>
420 Pedro Lamarao <pedro.lamarao@mndfck.org>
421 Howard Hinnant <howard.hinnant@gmail.com>
425 * typeck.c (comptypes): Don't consider rvalue and lvalue
426 reference types to be equivalent.
427 (check_return_expr): Move from certain lvalues when returning
429 * decl.c (grokdeclarator): Implement reference collapsing.
430 (copy_fn_p): Don't consider constructors taking rvalue references
431 to be copy constructors.
433 * call.c (conversion): New "rvaluedness_matches_p" member.
434 (convert_class_to_reference): Require reference type as first
435 parameter instead of base type.
436 (reference_binding): Add logic to handle rvalue references.
437 (implicit_conversion): Update inaccurate comment.
438 (convert_like_real): Disable creation of temporaries that are
439 impossible to initialize for types with move constructors.
440 (build_over_call): Elide move constructors when possible.
441 (maybe_handle_implicit_object): Set "rvaluedness_matches_p".
442 (maybe_handle_ref_bind): Return conversion instead of type node.
443 (compare_ics): Add logic to use "rvaluedness_matches_p" values to
444 determine preferred conversion sequences.
445 * cp-tree.h (TYPE_REF_IS_RVALUE): New.
446 (LOOKUP_PREFER_RVALUE): New.
447 (DECL_MOVE_CONSTRUCTOR_P): New.
448 (struct cp_declarator): Add "reference" member for reference
449 types, with new "rvalue_ref" flag.
450 (cp_build_reference_type): Declare.
451 (move_fn_p): Declare.
452 * error.c (dump_type_prefix): Format rvalue reference types
453 correctly in error messages.
454 * except.c (build_throw): Move from certain lvalues when
456 * mangle.c (write_type): Mangle rvalue references differently
457 than regular references.
458 * parser.c (make_reference_declarator): Add boolean parameter for
460 (cp_parser_make_indirect_declarator): New.
461 (cp_parser_new_declarator_opt): Call
462 cp_parser_make_indirect_declarator.
463 (cp_parser_conversion_declarator_opt): Ditto.
464 (cp_parser_declarator): Ditto.
465 (cp_parser_ptr_operator): Parse "&&" tokens into rvalue reference
467 * pt.c (tsubst): Implement reference collapsing.
468 (maybe_adjust_types_for_deduction): Implement special template
469 parameter deduction rule for rvalue references.
470 (type_unification_real): Update calls to
471 maybe_adjust_types_for_deduction.
472 (try_one_overload): Ditto.
473 (unify_pack_expansion): Ditto.
474 * tree.c (lvalue_p_1): Handle rvalue reference types.
475 (cp_build_reference_type): New.
477 2007-05-30 Jakub Jelinek <jakub@redhat.com>
480 * decl.c (cp_finish_decl): Clear TREE_READONLY flag on TREE_STATIC
481 variables that need runtime initialization.
483 2007-05-28 Andrew Pinski <Andrew_pinski@playstation.sony.com>
486 * typeck.c (build_unary_op <case PREINCREMENT_EXPR,
487 case POSTINCREMENT_EXPR, case PREDECREMENT_EXPR,
488 case POSTDECREMENT_EXPR>): Return the error_mark_node
489 if either the real or imaginary parts would an
492 2007-05-25 Simon Martin <simartin@users.sourceforge.net>
493 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
496 * parser.c (cp_parser_skip_to_closing_brace): Return true if the next
497 token is a closing brace, false if there are no tokens left.
498 (cp_parser_namespace_alias_definition): Only consume the next token if
499 it is a closing brace.
501 * parser.c (cp_parser_class_specifier): Likewise.
503 2007-05-25 H.J. Lu <hongjiu.lu@intel.com>
505 * semantics.c (finish_member_declaration): Fix a typo in the
508 2007-05-25 Douglas Gregor <doug.gregor@gmail.com>
520 * error.c (dump_type): Dump TYPE_ARGUMENT_PACK nodes.
521 * cp-tree.h (check_for_bare_parameter_packs): Returns bool.
522 * pt.c (check_for_bare_parameter_packs): Return bool indicated
523 whether everything was okay. Fix indentation.
524 (push_template_decl_real): Check for bare parameter packs in
525 function parameters; where errors occur, mark the parameter types
526 with ERROR_MARK_NODEs to avert ICEs.
527 (coerce_template_parameter_pack): New.
528 (coerce_template_parms): Moved parameter pack coercion into
529 coerce_template_parameter_pack, and permit it anywhere in the
530 template parameter list (not just at the end). Parameter and
531 argument indices can vary (somewhat) separately now, so add
532 PARM_IDX and ARG_IDX.
533 (fn_type_unification): Don't set an argument pack as incomplete if
534 no argument pack was deduced.
535 (type_unification_real): If a type parameter is a parameter pack
536 and has not otherwise been deduced, it will be deduced to an empty
538 (more_specialized_fn): Use the actual lengths of the argument
539 lists when comparing against expansions.
540 * semantics.c (finish_member_declaration): If a field's type has
541 bare parameter packs, error and set its type to ERROR_MARK_NODE.
543 2007-05-24 Danny Smith <dannysmith@users.sourceforge.net>
546 * mangle.c (mangle_decl): Call targetm.mangle_decl_assembler_name.
548 2007-05-22 Ollie Wild <aaw@google.com>
550 * name-lookup.c (ambiguous_decl): Adds check for hidden types.
551 (unqualified_namespace_lookup): Adds check for hidden types.
553 2007-05-22 Ollie Wild <aaw@google.com>
555 * decl.c (duplicate_decls): Verify namespace names are unique.
557 2007-05-21 Mark Mitchell <mark@codesourcery.com>
559 * decl.c (cxx_maybe_build_cleanup): Handle
560 __attribute__((cleanup)).
562 2007-05-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
564 * cvt.c (cp_convert_and_check): Don't check warnings if the
567 2007-05-18 Geoffrey Keating <geoffk@apple.com>
569 * mangle.c (write_real_cst): Use 'unsigned long' for %lx.
571 2007-05-14 Paolo Carlini <pcarlini@suse.de>
574 * rtti.c (get_tinfo_decl_dynamic, get_typeid): Try to complete the
575 type only if is a class type (5.2.8/4).
577 2007-05-14 Rafael Avila de Espindola <espindola@google.com>
579 * cp-objcp-common.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
580 * decl.c (grokdeclarator): Use unsigned_type_for instead of
581 c_common_unsigned_type.
583 2007-05-11 Silvius Rus <rus@google.com>
585 * cp/typeck.c (build_indirect_ref): Add call to
586 strict_aliasing_warning.
587 (build_reinterpret_cast_1): Condition call to
588 strict_aliasing_warning.
590 2007-05-11 Jan Hubicka <jh@suse.cz>
592 * semantics.c (expand_or_defer_fn): Do not call c_record_cdtor_fn.
593 * decl2.c (start_objects): ctors and dtors are no longer public.
594 (cp_write_global_declarations): Do not call c_build_cdtor_fns.
596 2007-05-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
598 * typeck.c (build_unary_op): Remove code that used to
599 handle non lvalue increments/decrements.
601 2007-05-07 Mike Stump <mrs@apple.com>
603 * parser.c (check_empty_body): Add.
604 (cp_parser_iteration_statement): Add call to check_empty_body.
606 2007-05-05 Geoffrey Keating <geoffk@apple.com>
609 * mangle.c (write_mangled_name): Mangle static variable names.
610 (write_unqualified_name): Use local-source-name for
611 namespace-scope static variables.
613 2007-05-04 Dirk Mueller <dmueller@suse.de>
615 * cp-tree.h (DECL_MAIN_P): only if -ffreestanding is
618 2007-05-02 Seongbae Park <seongbae.park@gmail.com>
621 * decl2.c (constrain_class_visibility):
622 Use strip_pointer_or_array_types instead of strip_array_types.
624 2007-04-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
627 * decl.c (reshape_init_r): Don't reshape the first element if it
628 is a pointer to member function.
630 2007-04-27 Simon Baldwin <simonb@google.com>
632 * decl.c (grokparms): Changed message format from %qD to %qE.
634 2007-04-27 Douglas Gregor <doug.gregor@gmail.com>
636 * error.c (maybe_warn_variadic_templates): Variadic templates are
637 now in C++0x, so only warn about them in C++98 mode.
639 2007-04-26 Andrew Pinski <andrew_pinski@playstation.sony.com>
642 * typeck.c (build_reinterpret_cast_1): Only allow conversion to
643 integeral types from vectors types.
645 2007-04-26 Jakub Jelinek <jakub@redhat.com>
648 * semantics.c (finish_omp_clauses): Don't create CP_OMP_CLAUSE_INFO
649 for type dependent OMP_CLAUSE_DECLs.
651 2007-04-24 Mark Mitchell <mark@codesourcery.com>
654 * cp-tree.h (ARITHMETIC_TYPE): Include COMPLEX_TYPE.
655 * typeck.c (type_after_usual_arithmetic_conversions): Adjust, as
656 COMPLEX_TYPE is now an ARITHMETIC_TYPE.
657 * init.c (build_zero_init): Adjust, as
658 COMPLEX_TYPE is now a SCALAR_TYPE.
659 * typeck2.c (digest_init): Allow brace-enclosed initializers for
660 COMPLEX_TYPE, even though that is now a SCALAR_TYPE.
662 2007-04-25 Paolo Carlini <pcarlini@suse.de>
664 * semantics.c (classtype_has_nothrow_copy_or_assign_p): Adjust
665 per N2255; rename as classtype_has_nothrow_assign_or_copy_p.
666 (trait_expr_value): Adjust.
668 2007-04-23 Simon Baldwin <simonb@google.com>
670 * decl.c (grokparms): Added new error for duplicate function
671 parameters names in function prototypes, to match gcc behavior.
673 2007-04-23 Jan Hubicka <jh@suse.cz>
675 * cp/decl2.c (finish_objects): Do not call target constructor/destructor
678 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
680 * cp-tree.h (lang_tree_node): Use GENERIC_NEXT
681 instead of checking GIMPLE_STMT_P in chain_next.
683 2007-04-17 Mark Mitchell <mark@codesourcery.com>
686 * call.c (convert_for_arg_passing): Convert bitfields to their
689 2007-04-17 Simon Martin <simartin@users.sourceforge.net>
692 * pt.c (value_dependent_expression_p): Handle MODOP_EXPRs.
694 2007-04-16 Seongbae Park <seongbae.park@gmail.com>
698 * cp/decl2.c (constrain_class_visibility):
699 Do not warn about the use of anonymous namespace in the main input file.
701 2007-04-15 Mark Mitchell <mark@codesourcery.com>
703 * cp-tree.h (current_template_parms): Fix typo in comment.
705 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
707 * cp-tree.h, error.c: Fix comment typos.
709 2007-04-13 Jason Merrill <jason@redhat.com>
712 * call.c (reference_binding): Add c_cast_p parm. If true,
713 add quals to TO as needed to make it reference-compatible.
715 2007-04-11 Jan Hubicka <jh@suse.cz>
717 * cp/class.c (convert_to_base_statically): Fold produced tree; verify
718 that we are not processing template_decl.
720 2007-04-09 Mark Mitchell <mark@codesourcery.com>
723 * class.c (build_base_path): Ensure that the converted pointer has
724 the same cv-qualification as the input.
726 2007-04-09 Paolo Carlini <pcarlini@suse.de>
728 * tree.c (cp_tree_equal): Deal with TRAIT_EXPR.
730 2007-04-08 Steven Bosscher <steven@gcc.gnu.org>
732 * cp-objcp-common.h (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS):
734 (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do not set it.
735 * tree.c (cp_add_pending_fn_decls): Remove.
736 * cp-tree.h (cp_add_pending_fn_decls): Remove prototype.
738 2007-04-07 Daniel Berlin <dberlin@dberlin.org>
740 Revert change removing staticp.
742 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
744 * cp-objcp-common.c (cxx_staticp): Remove.
745 * cp-objcp-common.h (LANG_HOOKS_STATICP): Remove.
746 * cp-tree.h (cxx_staticp):
748 2007-04-04 Danny Smith <dannysmith.users.sourceforge.net>
750 * class.c (check_for_override): Don't remove dllmport attribute
753 2007-04-03 Jakub Jelinek <jakub@redhat.com>
756 * typeck.c (build_modify_expr): For COND_EXPR on LHS, if RHS has void
757 type issue error and return early.
759 2007-03-30 Jason Merrill <jason@redhat.com>
762 * typeck.c (cp_type_readonly): New fn.
763 * cp-tree.h: Declare it.
764 * decl.c (start_decl): Set implicit DECL_THIS_STATIC here.
765 (cp_finish_decl): Not here.
767 2007-03-31 Richard Guenther <rguenther@suse.de>
769 * optimize.c (maybe_clone_body): Replace splay-tree usage by
772 2007-03-31 Douglas Gregor <doug.gregor@gmail.com>
777 * parser.c (declarator_can_be_parameter_pack): New.
778 (cp_parser_template_parameter): Only parse the `...' if the
779 declarator can be a parameter pack.
780 (cp_parser_parameter_declaration): Ditto. Also, handle when TYPE
782 * pt.c (find_parameter_packs_r): Look into the bounds on integer
783 types (they could be used as array bounds).
784 (check_for_bare_parameter_packs): Deal with TEMPLATE_PARM_INDEX.
785 (tsubst_pack_expansion): Handle failure to expand parameter
788 2007-03-30 Paolo Carlini <pcarlini@suse.de>
791 * cp-tree.h (enum cp_trait_kind, struct tree_trait_expr,
792 TRAIT_EXPR_TYPE1, TRAIT_EXPR_TYPE2, TRAIT_EXPR_KIND): Add.
793 (enum cp_tree_node_structure_enum, union lang_tree_node): Update.
794 (CLASS_TYPE_NON_UNION_P): Add.
795 (struct lang_type_class): Add has_complex_dflt.
796 (TYPE_HAS_COMPLEX_DFLT, TYPE_HAS_TRIVIAL_DFLT): Add.
797 (locate_copy, locate_ctor, locate_dtor, finish_trait_expr): Declare.
798 * cp-tree.def: Add TRAIT_EXPR.
799 * cp-objcp-common.c (cp_tree_size): Add TRAIT_EXPR case.
800 * lex.c (struct resword): Add __has_nothrow_assign,
801 __has_nothrow_constructor, __has_nothrow_copy, __has_trivial_assign,
802 __has_trivial_constructor, __has_trivial_copy,
803 __has_trivial_destructor, __has_virtual_destructor, __is_abstract,
804 __is_base_of, __is_class, __is_convertible_to, __is_empty, __is_enum,
805 __is_pod, __is_polymorphic, __is_union.
806 * parser.c (cp_parser_primary_expression): Deal with the new RIDs.
807 (cp_parser_trait_expr): New.
808 * semantics.c (finish_trait_expr, trait_expr_value
809 classtype_has_nothrow_copy_or_assign_p): New.
810 * method.c (locate_copy, locate_ctor, locate_dtor): Do not define
812 * decl.c (cp_tree_node_structure): Add TRAIT_EXPR.
813 * class.c (check_bases, check_field_decl, check_bases_and_members):
814 Deal with TYPE_HAS_COMPLEX_DFLT (t) too.
815 * pt.c (uses_template_parms, tsubst_copy_and_build,
816 value_dependent_expression_p, type_dependent_expression_p): Deal with
818 * tree.c (cp_walk_subtrees): Deal with TRAIT_EXPR.
820 2007-03-29 Richard Guenther <rguenther@suse.de>
822 * tree.c (cp_walk_subtrees): Do not set input_location.
824 2007-03-28 Simon Martin <simartin@users.sourceforge.net>
827 * decl.c (grokfndecl): Properly setup decl if it is a constructor or a
830 2007-03-28 Douglas Gregor <doug.gregor@gmail.com>
832 * parser.c (struct cp_parser): Update comment for
833 greater_than_is_operator_p.
834 (cp_parser_primary_expression): In C++0x mode, a cast operator can
835 be terminated with a `>>' token when !GREATER_THAN_IS_OPERATOR_P.
836 (TOKEN_PRECEDENCE): In C++0x mode, `>>' is treated like `>' when
837 !GREATER_THAN_IS_OPERATOR_P.
838 (cp_parser_binary_expression): When -Wc++0x-compat, warn about
839 `>>' operators that will become two `>' tokens in C++0x.
840 (cp_parser_parameter_declaration): Treat `>>' like `>' in C++0x
841 mode, allowing it to terminate default arguments.
842 (cp_parser_enclosed_template_argument_list): In C++0x mode, treat
843 `>>' like two consecutive `>' tokens.
844 (cp_parser_skip_to_end_of_template_parameter_list): Ditto.
845 (cp_parser_next_token_ends_template_argument_p): In C++0x, `>>'
846 ends a template argument.
848 2007-03-28 Douglas Gregor <doug.gregor@gmail.com>
850 * decl.c (redeclaration_error_message): Complain when redeclaring
851 a friend function with default template arguments (C++0x mode only).
852 * cp-tree.h (check_default_tmpl_args): Declare.
853 * pt.c (check_default_tmpl_args): In C++0x mode, permit default
854 template arguments in function templates. Add support for checking
855 the default template arguments of friend templates.
856 (push_template_decl_real): Fix call to check_default_tmpl_args.
857 (type_unification_real): If a template parameter has not been
858 deduced but provides a default template argument, substitute into
859 that default template argument.
860 * parser.c (cp_parser_init_declarator): When declaring (but not
861 defining!) a function template in C++0x mode, check for default
864 2007-03-28 Douglas Gregor <doug.gregor@gmail.com>
867 * decl.c (grokdeclarator): Deal with cv-qualified function type
868 typedefs in the same way for member and non-member functions.
870 2007-03-26 Dirk Mueller <dmueller@suse.de>
872 * parser.c (cp_parser_member_declaration): Pedwarn
873 about stray semicolons after member declarations.
875 2007-03-26 Paolo Carlini <pcarlini@suse.de>
878 * pt.c (instantiate_decl): Set in_system_header.
880 2007-03-22 Mark Mitchell <mark@codesourcery.com>
882 * cp-tree.h (current_tempalte_parms): Improve documentation.
883 * pt.c (current_template_args): Likewise.
886 * parser.c (cp_parser_parse_and_diagnose_invalid_type_name): Do
887 not consume tokens when failing.
889 2007-03-22 Jim Wilson <wilson@specifix.com>
890 Mark Mitchell <mark@codesourcery.com>
893 * call.c (standard_conversion): Use type_decays_to. Keep FCODE
894 consistent with FROM.
896 2007-03-22 Gabriel Dos Reis <gdr@integrable-solutions.net>
898 * error.c (dump_expr): Handle dependent names that designate types.
899 * cxx-pretty-print.c (pp_cxx_unqualified_id): Handle TYPENAME_TYPE.
901 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
903 * cp-tree.def, parser.c, pt.c: Fix comment typos.
905 2007-03-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
907 * cvt.c (cp_convert_and_check) : Define.
908 * cp-tree.h (cp_convert_and_check): Declare.
909 * call.c (convert_conversion_warnings): Rename to
910 conversion_null_warnings. The warning for floating-point to
911 integer is handled by convert_and_check in convert_like_real.
912 (convert_like_real): convert_conversion_warnings was renamed as
913 conversion_null_warnings.
914 * typeck.c (build_binary_op): Use cp_convert_and_check to warn for
915 overflow and changes of value during conversion.
917 2007-03-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
920 * parser.c (cp_parser_statement): If 'namespace' is found, this
921 only can be a namespace alias definition, so parse it now.
922 (cp_parser_namespace_alias_definition): if we find an open brace
923 instead of '=', then this is actually a misplaced namespace
926 2007-03-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
929 * decl.c (cxx_init_decl_processing): Move command-line options
930 processing to c-opts.c.
932 2007-03-15 Douglas Gregor <doug.gregor@gmail.com>
934 * ptree.c (cxx_print_type): Use formatting markup for integers
935 when printing template parameter index/level/orig level.
936 (cxx_print_xnode): Ditto.
937 * cp-tree.h (TEMPLATE_PARM_PARAMETER_PACK): Use TREE_LANG_FLAG_0.
938 (struct template_parm_index_s): Remove the PARAMETER_PACK member.
939 Make INDEX, LEVEL, and ORIG_LEVEL integers instead of
941 (struct saved_scope): Make X_PROCESSING_TEMPLATE_DECL an int,
942 rather than a HOST_WIDE_INT.
943 Turn X_PROCESSING_EXPLICIT_INSTANTIATION, SKIP_EVALUATION, and
944 NEED_POP_FUNCTION_CONTEXT into bool bitfields; reorder fields for
946 (struct language_function): Make RETURNS_VALUE, RETURNS_NULL,
947 RETURNS_ABNORMALLY, IN_FUNCTION_TRY_HANDLER, and
948 IN_BASE_INITIALIZER bool bitfields.
949 (struct cp_declarator): Make KIND a 4-bit field. Make
950 PARAMETER_PACK_P a bool bitfield just after KIND.
951 * pt.c (uses_parameter_packs): Destroy the pointer set.
952 (make_pack_expansion): Ditto.
953 (check_for_bare_parameter_packs): Ditto.
954 * name-lookup.c (push_to_top_level): Make need_pop a bool value.
956 2007-03-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
959 * call.c (convert_default_arg): Instead of copying the node,
962 2007-03-15 Dirk Mueller <dmueller@suse.de>
965 * call.c (convert_conversion_warnings): New..
966 (convert_like_real): .. factored out from here.
967 (convert_conversion_warnings): Add warning about
968 false being converted to NULL in argument passing.
970 2007-03-14 Dirk Mueller <dmueller@suse.de>
972 * cp/semantics.c (c_finish_if_stmt): Call empty_if_body_warning.
973 (finish_do_body): Warn about empty body in do/while statement.
975 2007-03-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
977 * class.c (warn_hidden): Add OPT_Woverloaded_virtual to warning.
979 2007-03-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
982 * typeck.c (build_binary_op): Call warn_for_div_zero instead of
985 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
987 * cp/repo.c (init_repo): Initialize random_seed saved options.
988 (finish_repo): Adjust.
990 2007-03-13 Mark Mitchell <mark@codesourcery.com>
993 * Make-lang.in (doc/g++.1): Use $< to specify the location from
996 2007-03-12 Seongbae Park <seongbae.park@gmail.com>
998 * decl.c (compute_array_index_type): New warning flag warn_vla.
1000 2007-03-12 Mark Mitchell <mark@codesourcery.com>
1003 * call.c (convert_default_arg): Copy non-constant arguments.
1005 2007-03-11 Mark Mitchell <mark@codesourcery.com>
1008 * parser.c (cp_parser_postfix_expression): Disallow compound
1009 literals in constant expressions.
1012 * semantics.c (finish_typeof): Use unlowered_expr_type.
1014 2007-03-10 Mark Mitchell <mark@codesourcery.com>
1017 * cp-tree.h (unlowered_expr_type): New function.
1018 * typeck.c (is_bitfield_expr_with_lowered_type): Handle
1019 COMPOUND_EXPR, MODIFY_EXPR, and SAVE_EXPR.
1020 (unlowered_expr_type): New function.
1021 (build_unary_op): Disallow predecrements of bool bitfields.
1022 * call.c (build_conditional_expr): Use unlowered_expr_type.
1023 * pt.c (type_unification_real): Likewise.
1025 2007-03-09 Douglas Gregor <doug.gregor@gmail.com>
1028 * typeck.c (check_return_expr): Check for bare parameter packs.
1029 (comptypes): Compare template parameter packs and
1030 type pack expansions.
1031 * decl.c (grokdeclarator): Deal with the declaration of function
1033 (grokparms): Verify that the (optional) function parameter pack is
1034 at the end of the parameter list.
1035 (xref_basetypes): Handle pack expansions in the base class.
1036 (cp_tree_node_structure): Handle ARGUMENT_PACK_SELECT.
1037 * cp-tree.def (TYPE_ARGUMENT_PACK): New.
1038 (NONTYPE_ARGUMENT_PACK): New.
1039 (TYPE_PACK_EXPANSION): New.
1040 (EXPR_PACK_EXPANSION): New.
1041 (ARGUMENT_PACK_SELECT): New.
1042 * cp-objcp-common.c (cp_tree_size): Compute size of
1043 (NON)TYPE_ARGUMENT_PACK, (TYPE|EXPR)_PACK_EXPANSION, and
1044 ARGUMENT_PACK_SELECT.
1045 * error.c (dump_template_argument): Print template argument packs.
1046 (dump_template_argument_list): Ditto.
1047 (dump_template_parameter): Dump `...' for template type parameter
1049 (dump_type): Dump TYPE_PACK_EXPANSION nodes.
1050 (dump_parameters): Print function parameter packs.
1051 (dump_template_parms): Print template argument packs.
1052 (dump_expr): Dump EXPR_PACK_EXPANSION nodes.
1053 (maybe_warn_variadic_templates): New.
1054 * operators.def: Add ellipsis operator for EXPR_PACK_EXPANSION.
1055 * tree.c (cp_walk_subtrees): Walk BASELINK, TYPE_ARGUMENT_PACK,
1056 NONTYPE_ARGUMENT_PACK, TYPE_PACK_EXPANSION, EXPR_PACK_EXPANSION,
1058 * mangle.c (write_type): Mangle TYPE_PACK_EXPANSION.
1059 (write_template_arg): Write argument packs as separate arguments.
1060 * cp-tree.h (struct template_parm_index_s): Add flag that
1061 indicates that the template parameter is actually a parameter
1063 (struct tree_argument_pack_select): New.
1064 (enum cp_tree_node_structure_enum): Add TS_CP_ARGUMENT_PACK_SELECT.
1065 (union lang_tree_node): Add argument_pack_select.
1066 (FUNCTION_PARAMETER_PACK_P): New.
1067 (PACK_EXPANSION_P): New.
1068 (PACK_EXPANSION_PATTERN): New.
1069 (SET_PACK_EXPANSION_PATTERN): New.
1070 (PACK_EXPANSION_PARAMETER_PACKS): New.
1071 (ARGUMENT_PACK_P): New.
1072 (ARGUMENT_PACK_ARGS): New.
1073 (SET_ARGUMENT_PACK_ARGS): New.
1074 (ARGUMENT_PACK_INCOMPLETE_P): New.
1075 (ARGUMENT_PACK_EXPLICIT_ARGS): New.
1076 (TEMPLATE_PARM_PARAMETER_PACK): New.
1077 (TEMPLATE_TYPE_PARAMETER_PACK): New.
1078 (ARGUMENT_PACK_SELECT_FROM_PACK): New.
1079 (ARGUMENT_PACK_SELECT_INDEX): New.
1080 (ARGUMENT_PACK_SELECT_ARG): New.
1081 (struct cp_declarator): Add parameter_pack_p flag.
1082 (maybe_warn_variadic_templates): Declare.
1083 (process_template_parm): Add bool parameter IS_PARAMETER_PACK, to
1084 indicate a template parameter pack.
1085 (uses_parameter_packs): Declare.
1086 (template_parameter_pack_p): Declare.
1087 (template_parms_variadic_p): Declare.
1088 (make_pack_expansion): Declare.
1089 (check_for_bare_parameter_packs): Declare.
1090 * cxx-pretty-print.c (pp_cxx_unary_expression): Print
1091 sizeof... expressions.
1092 (pp_cxx_expression): Print pack expansions and non-type argument
1094 (pp_cxx_exception_specification): Print pack expansions.
1095 (pp_cxx_direct_declarator): Print ellipsis for parameter packs.
1096 (pp_cxx_ctor_initializer): Print pack expansions.
1097 (pp_cxx_type_id): Print pack expansions.
1098 (pp_cxx_template_argument_list): Print argument packs.
1099 (pp_cxx_template_parameter): Print ellipsis for template parameter
1101 * pt.c (comp_template_parms): Compare template parameter packs.
1102 (template_parameter_pack_p): New.
1103 (template_parms_variadic_p): New.
1104 (template_args_variadic_p): New.
1105 (make_ith_pack_parameter_name): New.
1106 (struct find_parameter_pack_data): New.
1107 (find_parameter_packs_r): New.
1108 (uses_parameter_packs): New.
1109 (make_pack_expansion): New.
1110 (check_for_bare_parameter_packs): New.
1111 (expand_template_argument_pack): New.
1112 (reduce_template_parm_level): Propagate parameter pack flag.
1113 (process_template_parm): Add is_parameter_pack parameter to state
1114 when the parameter is actually a parameter pack. Create template
1115 parameter packs when is_parameter_pack is true.
1116 (current_template_args): The argument for a template parameter
1117 pack is an argument pack containing a single pack expansion.
1118 (process_partial_specialization): When checking that non-type
1119 argument expressions do not involve template parameters, loop over
1120 the arguments in argument packs separately.
1121 (push_template_decl_real): Check that the type of the declaration
1122 does not have any bare parameter packs. Check that primary
1123 templates have no more than one parameter pack, and that it comes
1124 at the end of the template parameter list.
1125 (convert_template_argument): Handle coercions for pack expansion
1126 expressions by coercing the pattern then rebuilding the expansion.
1127 (coerce_template_parms): When coercing the arguments for a
1128 variadic template, pack "extra" arguments into an argument pack.
1129 (coerce_template_template_parms): Cannot coerce between parameter
1130 packs and non-pack parameters.
1131 (template_args_equal): Compare PACK_EXPANSION_P expressions.
1132 (comp_template_args): Expand all template arguments packs before
1133 comparing template argument lists.
1134 (mangle_class_name_for_template): Make argument packs as separate
1136 (for_each_template_parm_r): No need to handle BASELINK.
1137 (instantiate_class_template): Handle pack expansions in the base
1139 (tsubst_pack_expansion): New.
1140 (tsubst_template_args): Handle substitutions of argument packs and
1141 pack expansion into template argument lists.
1142 (tsubst_decl): Expand function parameter packs into separate
1143 function parameters.
1144 (tsubst_arg_types): Expand a type pack expansion into separate
1146 (tsubst_exception_specification): Handle pack expansions in
1147 exception specifiers.
1148 (tsubst): See through ARGUMENT_PACK_SELECT arguments when
1149 replacing a template parameter with its argument. If we encounter
1150 a substitution for an argument pack, just return the parameter
1152 (tsubst_copy): sizeof(X...) returns the number of elements in
1153 parameter pack X. See through ARGUMENT_PACK_SELECT when the
1154 PARM_DECL is a parameter pack.
1155 (tsubst_expr): Expression pack expansions and argument packs
1156 cannot show up here; they will all be handled through function
1157 calls, sizeof, and template argument lists.
1158 (tsubst_copy_and_build): sizeof(X...) returns the number of
1159 elements in parameter pack X. Handle pack expansions in TREE_LIST
1160 and CONSTRUCTOR nodes.
1161 (fn_type_unification): Handle "incomplete" explicit template
1162 argument lists that specify some of the arguments for a template
1164 (type_unification_real): Unify arguments against pack expansions.
1165 (template_parm_level_and_index): New, helper function.
1166 (unify_pack_expansion): New.
1167 (unify): Unify argument packs on an argument-by-argument basis,
1168 handling variadic argument packs as well.
1169 (more_specialized_fn): Handle unification of function parameter
1170 packs. All things being equal, prefer non-variadic function
1171 templates to variadic function templates.
1172 (more_specialized_class): Prefer the variadic class template
1173 partial specialization that binds fewer arguments to a parameter
1175 (regenerate_decl_from_template): Expand function parameter packs
1176 into separate parameters.
1177 (instantiate_decl): Ditto.
1178 (tsubst_initializer_list): Handle pack expansions for base-class
1180 (dependent_type_p_r): Determine dependent types in argument packs
1181 and pack expansions.
1182 (value_dependent_expression_p): Determine value-dependence of
1183 non-type argument packs.
1184 (dependent_template_arg_p): Handle argument packs.
1185 * semantics.c (finish_cond): Check for bare parameter packs.
1186 (finish_expr_stmt): Ditto.
1187 (finish_for_expr): Ditto.
1188 (finish_switch_cond): Ditto.
1189 (finish_mem_initializers): Ditto.
1190 * name-lookup.c (arg_assoc_type): Handle pack expansions and
1192 * decl2.c (cp_build_parm_decl): Mark function parameter packs.
1193 * parser.c (make_declarator): Declarator is not an expansion.
1194 (make_pointer_declarator): Transfer parameter pack flag to outer
1196 (make_reference_declarator): Ditto.
1197 (make_ptrmem_declarator): Ditto.
1198 (make_call_declarator): Ditto.
1199 (make_array_declarator): Ditto.
1200 (cp_parser_postfix_expression): Allow pack expansion expressions
1201 in the argument list for a call expression.
1202 (cp_parser_parenthesized_expression_list): Add new parameter
1203 ALLOW_EXPANSION_P. When true, parse the ellipsis to mean "expand
1204 into separate arguments."
1205 (cp_parser_new_placement): Allow pack expansion expressions.
1206 (cp_parser_new_initializer): Ditto.
1207 (cp_parser_mem_initializer_list): Allow ellipsis to create a
1208 base-class initializer expansion.
1209 (cp_parser_mem_initializer): Ditto.
1210 (cp_parser_template_parameter_list): Keep track of whether the
1211 template parameter is a template parameter pack.
1212 (cp_parser_template_parameter): Parse the ellipsis to indicate a
1213 template parameter pack.
1214 (cp_parser_type_parameter): Ditto.
1215 (cp_parser_template_argument_list): Parse the ellipsis to indicate
1217 (cp_parser_direct_declarator): Parse the ellipsis to indicate that
1218 this declarator is a parameter pack.
1219 (cp_parser_parameter_declaration): The ellipsis does not end the
1220 parameter declaration, because it might be a parameter pack. Parse
1221 the ellipsis to indicate a parameter pack.
1222 (cp_parser_initializer): Allow pack expansions.
1223 (cp_parser_initializer_list): Allow ellipsis to create an
1224 initializer expansion.
1225 (cp_parser_base_clause): Allow ellipsis to create a base specifier
1227 (cp_parser_type_id_list): Allow ellipsis to create an exception
1228 specifier expansion.
1229 (cp_parser_attribute_list): Don't allow pack expansions.
1230 (cp_parser_functional_cast): Allow pack expansions.
1231 (cp_parser_sizeof_operand): Allow ellipsis following "sizeof" to
1232 compute the length of a parameter pack.
1233 (cp_parser_next_token_ends_template_argument_p): An ellipsis can
1234 end a template argument.
1235 * tree.c (cp_walk_subtrees): Walk BASELINK, TYPE_ARGUMENT_PACK,
1236 NONTYPE_ARGUMENT_PACK, TYPE_PACK_EXPANSION, EXPR_PACK_EXPANSION,
1239 2007-03-09 Dirk Mueller <dmueller@suse.de>
1241 * cp/call.c (build_new_op): Call warn_logical_operator.
1243 2007-03-08 Volker Reichelt <reichelt@netcologne.de>
1246 * semantics.c (finish_offsetof): Handle COMPOUND_EXPR.
1249 * pt.c (any_template_arguments_need_structural_equality_p):
1252 2007-03-08 Alexandre Oliva <aoliva@redhat.com>
1254 * decl.c (grokdeclarator): Disable warnings for anonymous
1257 2007-03-05 Volker Reichelt <reichelt@netcologne.de>
1259 * typeck2.c (readonly_error): Always emit a hard error.
1260 Remove last argument.
1261 * cp-tree.h (readonly_error): Adjust prototype.
1262 * semantics.c (finish_asm_stmt): Adjust call to readonly_error.
1263 * typeck.c (build_unary_op): Likewise.
1264 (build_modify_expr): Likewise.
1266 2007-03-04 Simon Martin <simartin@users.sourceforge.net>
1269 * tree.c (cp_tree_equal): Properly handle COMPLEX_CST trees.
1271 2007-03-03 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1274 * parser.c (struct cp_parser): New IN_IF_STMT.
1275 (cp_parser_statement_seq_opt): Handle an unexpected 'else',
1276 returning if parsing the body of an 'if' statement or issuing an
1277 error and continuing.
1278 (cp_parser_selection_statement): Set IN_IF_STMT bit when parsing
1280 (cp_parser_jump_statement): Mask new IN_IF_STMT bit.
1282 2007-03-02 Simon Martin <simartin@users.sourceforge.net>
1285 * class.c (update_vtable_entry_for_fn): Properly handle invalid overriders
1288 2007-03-02 Geoffrey Keating <geoffk@apple.com>
1290 * g++spec.c (lang_specific_driver): Add -lstdc++ when compiling
1291 Objective-C++. Don't exit early if -shared-libgcc needs to be
1294 2007-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1296 * typeck.c (common_base_type): Delete unused function.
1298 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
1300 * Make-lang.in: Add dummy lang.install-pdf target.
1302 2007-03-01 Simon Baldwin <simonb@google.com>
1305 * decl.c (check_tag_decl): Added new warning for typedef ignored
1306 when it precedes an otherwise valid non-typedef declaration.
1308 2007-02-28 Sandra Loosemore <sandra@codesourcery.com>
1310 * typeck.c (build_function_call): Store converted arguments
1311 in a stack-allocated array instead of building a list.
1312 (convert_arguments): Store arguments in the array passed in as an
1313 argument, and return the actual number of arguments.
1314 * call.c (build_call): Delete, and replace with...
1315 (build_call_n, build_call_a): New.
1316 (build_op_delete_call): Rewrite to avoid constructing argument lists.
1317 (build_over_call): Store converted arguments in a stack-allocated
1318 array instead of building a list.
1319 (build_cxx_call): Pass arguments in an array instead of as a list.
1320 (build_java_interface_fn_ref): Rewrite to avoid constructing
1322 * tree.h: Update declarations to reflect above changes.
1323 * method.c (use_thunk): Use a stack-allocated array to hold
1324 the arguments instead of a list.
1325 * rtti.c (throw_bad_cast): Update call to cxx_call.
1326 (throw_bad_typeid): Likewise.
1327 (build_dynamic_cast_1): Likewise.
1328 * init.c (build_builtin_delete_call): Use build_call_n.
1329 * decl.c (expand_static_init): Likewise.
1330 * except.c (cp_protect_cleanup_actions): Likewise.
1331 * cp-gimplify.c (genericize_eh_spec_block): Likewise.
1332 (gimplify_must_not_throw_expr): Likewise.
1333 (cxx_omp_apply_fn): Use build_call_a.
1335 2007-02-26 Mark Mitchell <mark@codesourcery.com>
1337 * semantics.c (expand_or_defer_fn): Call c_record_cdtor_fn.
1338 * decl2.c (cp_write_gloabl_declarations): Call c_build_cdtor_fns.
1340 2007-02-25 Mark Mitchell <mark@codesourcery.com>
1342 * cp-tree.h (static_ctors): Remove.
1343 * cp-tree.h (static_dtors): Likewise.
1344 * cp-objcp-common.c (decl_shadowed_for_var_lookup): Adjust for
1345 refactoring of tree_map hierarchy.
1346 (decl_shadowed_for_var_insert): Likewise.
1347 * semantics.c (expand_body): Use c_expand_body.
1348 (expand_or_defer_fn): Don't update static_ctors or static_dtors.
1349 * decl2.c (static_ctors): Remove.
1350 (static_dtors): Likewise.
1351 (generate_ctor_or_dtor_function): Pass NULL_TREE to
1352 objc_generate_static_init_call. Do not call static_[cd]tors.
1353 (generate_ctor_and_dtor_functions_for_priority): Do not check for
1355 (cp_write_global_declarations): Likewise.
1357 2007-02-23 Richard Guenther <rguenther@suse.de>
1359 * class.c (note_name_declared_in_class): Make declaration
1360 changes meaning a pedwarn.
1362 2007-02-22 Michael Matz <matz@suse.de>
1365 * cp-tree.h (TFF_UNQUALIFIED_NAME): New formatting flag.
1366 * error.c (dump_aggr_type, dump_simple_decl, dump_decl,
1367 dump_function_decl): Guard emitting outer scopes by new flag.
1368 * cp-lang.c (cxx_dwarf_name): New function.
1369 (LANG_HOOKS_DWARF_NAME): Define to cxx_dwarf_name.
1370 * pt.c (classtype_mangled_name, mangle_class_name_for_template):
1372 (push_template_decl_real, lookup_template_class): Remove calls
1375 2007-02-19 Mark Mitchell <mark@codesourcery.com>
1377 * call.c (build_new_method_call): Ensure that explicit calls of
1378 destructors have type "void".
1380 2007-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1382 * typeck.c (build_binary_op): Replace -Wstring-literal-comparison
1383 and -Walways-true with -Waddress.
1384 * cvt.c (convert_to_void): Replace unconditional warning with
1387 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
1389 * decl.c, tree.c: Fix comment typos.
1391 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1394 * semantics.c (finish_stmt_expr_expr): Set TREE_TYPE of the
1395 statement expression if we had an error mark node.
1397 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
1398 Brooks Moses <brooks.moses@codesourcery.com>
1399 Lee Millward <lee.millward@codesourcery.com>
1401 * cp-tree.def (AGGR_INIT_EXPR): Adjust documentation.
1402 Change class to tcc_vl_exp.
1404 * call.c (build_call): Use build_call_list instead
1406 (build_over_call): Likewise.
1407 (build_new_method_call): Use build_min_non_dep_call_list
1408 instead of build_min_non_dep.
1410 * error.c (dump_call_expr_args): New function.
1411 (dump_aggr_init_expr_args): New function.
1412 (dump_expr) <AGGR_INIT_EXPR, CALL_EXPR, INDIRECT_REF>: Use them.
1413 Update to use new CALL_EXPR and AGGR_INIT_EXPR accessor macros.
1415 * cvt.c (convert_to_void): Use build_call_array instead
1416 of build3; use new AGGR_INIT_EXPR accessor macros.
1418 * mangle.c (write_expression): Use TREE_OPERAND_LENGTH
1419 instead of TREE_CODE_LENGTH.
1421 * dump.c (cp_dump_tree) <AGGR_INIT_EXPR>: Update to use new
1422 AGGR_INIT_EXPR accessor macros.
1424 * cp-gimplify.c (cp_gimplify_init_expr): Use
1425 AGGR_INIT_EXPR_SLOT to set the slot operand.
1427 * cp-tree.h (AGGR_INIT_EXPR_FN): New macro.
1428 (AGGR_INIT_EXPR_SLOT): New macro.
1429 (AGGR_INIT_EXPR_ARG): New macro.
1430 (aggr_init_expr_nargs): New macro.
1431 (AGGR_INIT_EXPR_ARGP): New macro.
1432 (aggr_init_expr_arg_iterator): New.
1433 (init_aggr_init_expr_arg_iterator): New.
1434 (next_aggr_init_expr_arg): New.
1435 (first_aggr_init_expr_arg): New.
1436 (more_aggr_init_expr_args_p): New.
1437 (FOR_EACH_AGGR_INIT_EXPR_ARG): New.
1438 (stabilize_aggr_init): New declaration.
1439 (build_min_non_dep_call_list): Likewise.
1441 * tree.c (process_aggr_init_operands): New function.
1442 (build_aggr_init_array) New function.
1443 (build_cplus_new): Update to use new CALL_EXPR and
1444 AGGR_INIT_EXPR accessor macros. Replace use of build3 with
1445 build_aggr_init_array.
1446 (build_min_non_dep_call_list) New function.
1447 (build_min_nt): Assert input code parameter is not a variable
1448 length expression class.
1449 (build_min, build_min_non_dep): Likewise.
1450 (cp_tree_equal) <CALL_EXPR>: Iterate through the arguments
1451 to check for equality instead of recursing. Handle tcc_vl_exp
1453 (stabilize_call): Update to only handle CALL_EXPRs, not
1454 AGGR_INIT_EXPRs; use new CALL_EXPR accessor macros.
1455 (stabilize_aggr_init): New function.
1456 (stabilize_init): Use it.
1458 * cxx-pretty-print.c (pp_cxx_postfix_expression)
1459 <AGGR_INIT_EXPR, CALL_EXPR>: Update to use new CALL_EXPR and
1460 AGGR_INIT_EXPR accessor macros and argument iterators.
1462 * pt.c (tsubst_copy) <CALL_EXPR>: Replace build_nt with
1463 build_vl_exp. Iterate through the operands, recursively
1464 processing each one.
1465 (tsubst_copy_and_build) <CALL_EXPR>: Update to use new
1466 CALL_EXPR accessor macros.
1467 (value_dependent_expression_p) <default>: Handle tcc_vl_exp
1468 tree code classes. Use TREE_OPERAND_LENGTH instead of
1471 * semantics.c (finish_call_expr): Use build_nt_call_list
1472 instead of build_nt.
1473 (simplify_aggr_init_expr): Update to use new AGGR_INIT_EXPR
1474 accessor macros. Use build_call_array to construct the
1475 CALL_EXPR node instead of build3
1477 * decl2.c (build_offset_ref_call_from_tree): Use
1478 build_nt_call_list and build_min_non_dep_call_list instead
1479 of build_min_nt and build_min_non_dep.
1481 * parser.c (cp_parser_postfix_expression) <CPP_OPEN_PAREN>:
1482 Use build_nt_call_list instead of build_min_nt.
1484 2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1487 * call.c (build_conditional_expr): Improve error message.
1489 2007-02-13 Dirk Mueller <dmueller@suse.de>
1491 * friend.c (do_friend): Annotate warning about friend
1492 declarations in templates with OPT_Wnon_template_friend.
1493 Convert informal message from warning() to inform().
1495 2007-02-12 Simon Martin <simartin@users.sourceforge.net>
1496 Mark Mitchell <mark@codesourcery.com>
1499 * pt.c (do_decl_instantiation): Detect type mismatches in explicit
1500 instantiations for variables.
1502 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1505 * cp-gimplify.c (gimplify_expr_stmt): Don't check extra_warnings.
1506 Check warn_unused_value just once.
1508 2007-02-11 Mark Mitchell <mark@codesourcery.com>
1511 * pt.c (determine_specialization): Use skip_artificial_parms_for.
1512 (fn_type_unificiation): Likewise.
1513 (get_bindings): Likewise.
1515 o2007-02-06 Mark Mitchell <mark@codesourcery.com>
1518 * decl.c (finish_function): Use DECL_REPLACEABLE.
1519 * tree.c (cp_cannot_inline_tree_fn): Likewise.
1521 2007-02-10 Gabriel Dos Reis <gdr@integrable-solutions.net>
1523 * parser.c (cp_parser_primary_expression): Reformat overly long lines.
1525 2007-02-10 Richard Henderson <rth@redhat.com>, Jakub Jelinek <jakub@redhat.com>
1527 * decl.c (grokvardecl): Don't error if !have_tls.
1528 (grokdeclarator): Likewise.
1529 * parser.c (cp_parser_omp_threadprivate): Likewise.
1531 2007-02-07 Jakub Jelinek <jakub@redhat.com>
1534 * cp-gimplify.c (cp_genericize_r): Don't dereference invisiref
1535 parameters and result decls in omp clauses.
1536 (cxx_omp_privatize_by_reference): Pass also invisiref PARM_DECLs
1539 2007-02-05 Dirk Mueller <dmueller@suse.de>
1542 * parser.c (cp_parser_class_specifier): Always initialize bases.
1544 2007-02-05 Paolo Bonzini <bonzini@gnu.org>
1546 * cp-tree.h (OMP_ATOMIC_CODE): Delete.
1547 (OMP_ATOMIC_DEPENDENT_P): Rewrite.
1548 * pt.c (tsubst_expr): Adjust for new format of dependent OMP_ATOMIC
1550 * semantics.c (finish_omp_atomic): Store a whole expression node
1551 in operand 1, and integer_zero_node in operand 0, for dependent
1552 OMP_ATOMIC. Rewrite to make flow easier to understand.
1554 2007-02-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
1556 * decl.c (grokdeclarator): Use OPT_Wreturn_type instead of 0.
1558 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
1560 * class.c, cp-tree.h, decl.c, decl2.c, g++spec.c, init.c,
1561 parser.c, pt.c, tree.c, typeck.c: Follow spelling conventions.
1563 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
1565 * parser.c (cp_lexer_get_preprocessor_token): Attach the C++0x
1566 keyword warning to -Wc++0x-compat.
1568 2007-02-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
1570 * decl.c (grokdeclarator): Update documentation.
1572 2007-02-02 Jakub Jelinek <jakub@redhat.com>
1575 * decl.c (grokdeclarator): If __thread is used together with
1576 a storage class other than extern and static, clear thread_p
1577 after issuing diagnostics and fall through to checking the
1580 2007-01-30 Roger Sayle <roger@eyesopen.com>
1582 * error.c (dump_type_suffix): Avoid use of cp_build_binary_op when
1583 calculating the size of an array (to avoid recursive errors).
1585 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1588 * typeck.c (build_binary_op): Fix logic for warning. Move warning
1590 * call.c (convert_like_real): Don't warn when converting to
1593 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1595 * decl.c (pop_label): Replace warning with call to
1596 warn_for_unused_label.
1598 2007-01-28 Andrew Pinski <pinskia@gmail.com>
1601 * semantics.c (finish_pseudo_destructor_expr): Check the
1602 destrutor name by calling check_dtor_name.
1604 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
1606 * lex.c (D_CPP0X): Rename.
1608 (reswords): D_CPP0X -> D_CXX0X.
1609 (init_reswords): Ditto.
1610 * parser.c (cp_lexer_get_preprocessor_token): Warn about the use
1611 of C++0x keywords as identifiers.
1613 2007-01-23 Simon Martin <simartin@users.sourceforge.net>
1616 * decl.c (duplicate_decls): Don't reset DECL_INVALID_OVERRIDER_P for
1619 2007-01-23 Ian Lance Taylor <iant@google.com>
1621 * typeck.c (convert_for_assignment): Only warn about a = b = c
1622 when converting to bool.
1624 2007-01-23 Roger Sayle <roger@eyesopen.com>
1626 * call.c (null_ptr_cst_p): Replace use of TREE_CONSTANT_OVERFLOW with
1628 * typeck.c (ignore_overflows): Remove the remaining uses of
1629 TREE_CONSTANT_OVERFLOW.
1631 2007-01-20 Jan Hubicka <jh@suse.cz>
1633 * decl2.c (start_objects, start_static_storage_duration_function):
1634 Do not make the functions uninlinable.
1636 2007-01-17 Ian Lance Taylor <iant@google.com>
1638 * class.c (add_method): Call VEC_reserve_exact rather than passing
1639 a negative size to VEC_reserve.
1641 2007-01-11 Simon Martin <simartin@users.sourceforge.net>
1644 * tree.c (cp_tree_equal): Properly handle MODOP_EXPR trees.
1646 2007-01-10 Mark Mitchell <mark@codesourcery.com>
1649 * decl.c (make_typename_type): If the qualified name is not a
1650 type, issue an error.
1651 * parser.c (cp_parser_elaborated_type_specifier): Fix comment
1654 2007-01-08 Geoffrey Keating <geoffk@apple.com>
1656 * rtti.c: Include target.h.
1657 (emit_support_tinfos): If ! targetm.cxx.library_rtti_comdat (),
1658 don't emit typeinfo for fundamental types as weak.
1659 * Make-lang.in (cp/rtti.o): Update and correct dependencies.
1661 2007-01-08 Richard Guenther <rguenther@suse.de>
1663 * cvt.c (cp_convert_to_pointer): Use build_int_cst_type.
1665 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
1667 * call.c (standard_conversion): Pass flag to
1668 vector_types_convertible_p to disallow emission of note.
1669 * typeck.c (convert_for_assignment): Pass flag to
1670 vector_types_convertible_p to allow emission of note.
1671 (ptr_reasonably_similar): Pass flag to vector_types_convertible_p
1672 to disallow emission of note.
1674 2007-01-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1677 * typeck.c (build_binary_op): Call overflow_warning if
1678 TREE_OVERFLOW_P is true for the result and not for any of the
1681 2007-01-06 Lee Millward <lee.millward@codesourcery.com>
1684 * class.c (add_method): Don't wait until template
1685 instantiation time to complain about duplicate methods.
1687 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1690 * semantics.c (finish_unary_op_expr): Warn only if result
1691 overflowed and operands did not.
1693 2007-01-05 Ian Lance Taylor <iant@google.com>
1695 * typeck.c (build_binary_op): Warn about comparing a non-weak
1698 2007-01-05 Douglas Gregor <doug.gregor@gmail.com>
1700 * pt.c (tsubst): Propagate the need for structural equality checks
1701 when reducing the level of template parameters.
1703 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
1705 * pt.c: Fix a comment typo.
1707 2007-01-02 Ian Lance Taylor <iant@google.com>
1709 * semantics.c (maybe_convert_cond): Optionally warn when using an
1710 assignment as a condition.
1711 * typeck.c (convert_for_assignment): Optionally warn about
1712 assigning the result of an assignment to a bool.
1714 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
1716 * pt.c (canonical_template_parms): Correct typo in comment.
1718 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
1720 * typeck.c (structural_comptypes): Renamed from "comptypes".
1721 (comptypes): Use canonical type information to perform fast type
1722 comparison. When VERIFY_CANONICAL_TYPES, verify that the
1723 canonical type comparison returns the same results as we would see
1724 from the current, structural check. Support COMPARE_STRUCTURAL
1725 when we need structural checks.
1726 * decl.c (typename_compare): Fix comment.
1727 (build_typename_type): TYPENAME_TYPE nodes require structural
1728 equality checks, because they resolve different based on the
1730 (make_unbound_class_template): UNBOUND_CLASS_TEMPLATE nodes
1731 require structural equality checks (for now).
1732 (build_ptrmemfunc_type): Build the canonical pointer to member
1734 (compute_array_index_type): Whenever we build a new index type
1735 to represent the size of an array in a template, we need to mark
1736 this index type as requiring structural equality. This goes for
1737 arrays with value-dependent sizes with the current ABI, or all
1739 * tree.c (cplus_array_hash): New.
1740 (struct cplus_array_info): New.
1741 (cplus_array_compare): New.
1742 (cplus_array_htab): New.
1743 (build_cplus_array_type_1): Use a hash table to cache the array
1744 types we build. Build the canonical array type for each array
1746 (cp_build_qualified_type_real): When building a cv-qualified array
1747 type, use the hash table of array types and build canonical array
1749 (bind_template_template_parm): BOUND_TEMPLATE_TEMPLATE_PARM nodes
1750 use structural equality (for now).
1751 * cp-tree.h (COMPARE_STRUCTURAL): New.
1752 * pt.c (canonical_template_parms): New.
1753 (canonical_type_parameter): New.
1754 (process_template_parm): Find the canonical type parameter.
1755 (lookup_template_class): When we have named the primary template
1756 type, set the canonical type for our template class to the primary
1757 template type. If any of the template arguments need structural
1758 equality checks, the template class needs structural equality
1760 (tsubst): When reducing the level of a template template
1761 parameter, we require structural equality tests for the resulting
1762 parameter because its template parameters have not had their types
1763 canonicalized. When reducing a template type parameter, find the
1764 canonical reduced type parameter.
1765 (any_template_arguments_need_structural_equality_p): New.
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