1 2010-04-27 Fabien Chêne <fabien.chene@gmail.com>
2 Jason Merrill <jason@redhat.com>
5 * decl.c (check_for_uninitialized_const_var): Handle classes that need
7 (check_initializer): Call it for classes that need constructing, too.
8 * class.c (in_class_defaulted_default_constructor): New.
9 * cp-tree.h: Declare it.
11 2010-04-20 Jason Merrill <jason@redhat.com>
14 * init.c (constant_value_1): Treat error_mark_node as a constant
15 if DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P is set.
16 * cvt.c (ocp_convert): Handle getting error_mark_node from
17 integral_constant_value.
18 * decl.c (compute_array_index_type): Likewise.
20 2010-04-20 Dodji Seketeli <dodji@redhat.com>
24 * typeck.c (incompatible_dependent_types_p): If one of the
25 compared types if not a typedef then honour their main variant
28 2010-04-20 Jakub Jelinek <jakub@redhat.com>
30 * cp-tree.h (TYPE_REF_IS_RVALUE): Remove.
32 2010-04-19 Dodji Seketeli <dodji@redhat.com>
35 * typeck.c (structural_comptypes): Test dependent typedefs
36 incompatibility before testing for their main variant based
39 2010-04-19 Jakub Jelinek <jakub@redhat.com>
41 * cp-tree.h (SCOPED_ENUM_P, UNSCOPED_ENUM_P, SET_SCOPED_ENUM_P): Use
42 ENUM_IS_SCOPED bit instead of TYPE_LANG_FLAG_5.
44 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
46 * decl.c (cxx_init_decl_processing): Remove second argument in call to
47 build_common_tree_nodes.
49 2010-04-14 Jason Merrill <jason@redhat.com>
52 * parser.c (cp_parser_parenthesized_expression_list): Change
53 is_attribute_list parm to int to indicate whether or not to
54 handle initial identifier specially.
55 (cp_parser_attribute_list): Use attribute_takes_identifier_p.
57 2010-04-13 Jason Merrill <jason@redhat.com>
59 * call.c (type_decays_to): Check MAYBE_CLASS_TYPE_P instead of
61 * parser.c (cp_parser_lambda_expression): Complain about lambda in
63 * pt.c (iterative_hash_template_arg): Don't crash on lambda.
65 2010-04-12 Jason Merrill <jason@redhat.com>
68 * semantics.c (maybe_add_lambda_conv_op): Use build_call_a and tweak
69 return value directly.
71 * call.c (type_decays_to): Call cv_unqualified for non-class type.
73 2010-04-12 Fabien Chene <fabien.chene@gmail.com>
76 * cp-tree.h (diagnose_uninitialized_cst_or_ref_member): Declare.
77 * init.c (build_new_1): Check for uninitialized const members and
78 uninitialized reference members, when using new without
79 new-initializer. Call diagnose_uninitialized_cst_or_ref_member.
80 (diagnose_uninitialized_cst_or_ref_member): Define, call
81 diagnose_uninitialized_cst_or_ref_member_1.
82 (diagnose_uninitialized_cst_or_ref_member_1): New function.
84 2010-04-12 Richard Guenther <rguenther@suse.de>
87 * semantics.c (expand_or_defer_fn_1): Do not keep extern
88 template inline functions.
90 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
93 * typeck.c (cp_build_c_cast): Warn for casting integer to larger
96 2010-04-07 Jason Merrill <jason@redhat.com>
99 * decl.c (start_preparsed_function): Do defer nested functions.
102 * cp-tree.h (VAR_HAD_UNKNOWN_BOUND, SET_VAR_HAD_UNKNOWN_BOUND): New.
103 * decl2.c (finish_static_data_member_decl): Set it.
104 * decl.c (duplicate_decls): Propagate it.
105 * pt.c (tsubst_decl): Don't substitute the domain of an array
106 VAR_DECL if it's set.
107 (regenerate_decl_from_template): Substitute it here.
108 (type_dependent_expression_p): Return true if it's set.
109 * semantics.c (finish_decltype_type): Instantiate such a variable.
110 * typeck.c (cxx_sizeof_expr): Likewise.
111 (strip_array_domain): New.
113 * name-lookup.c (current_decl_namespace): Non-static.
114 (pop_nested_namespace): Sanity check.
115 * cp-tree.h: Declare current_decl_namespace.
116 * decl.c (grokvardecl): Use it instead of current_namespace.
117 (grokfndecl): Likewise.
120 * pt.c (tsubst_friend_function): Instatiate a friend that has already
123 * pt.c (print_template_statistics): New.
124 * cp-tree.h: Declare it.
125 * tree.c (cxx_print_statistics): Call it.
128 * decl.c (grokvardecl): Tweak warning message.
129 (grokfndecl): Likewise.
131 2010-04-07 Dodji Seketeli <dodji@redhat.com>
134 *pt.c (tsubst_decl): Get the arguments of a specialization from
135 the specialization template, not from the most general template.
137 2010-04-07 Dodji Seketeli <dodji@redhat.com>
140 * typeck2.c (process_init_constructor_record):
141 value-initialize members that are are not explicitely
144 2010-04-07 Jie Zhang <jie@codesourcery.com>
147 * typeck2.c (split_nonconstant_init_1): Drop empty CONSTRUCTOR
148 when all of its elements are non-constant and have been split out.
150 2010-04-06 Taras Glek <taras@mozilla.com>
151 Jason Merrill <jason@redhat.com>
153 * parser.c (cp_parser_class_specifier): Set class location to that
154 of IDENTIFIER_NODE instead of '{' when possible.
155 * semantics.c (begin_class_definition): Do not overide locations
156 with less precise ones.
158 2010-04-06 Jason Merrill <jason@redhat.com>
161 * name-lookup.c (constructor_name_p): Allow X::~X even for typedefs.
164 * pt.c (maybe_update_decl_type): Check the return value from
167 2010-04-01 Jason Merrill <jason@redhat.com>
169 * decl.c (next_initializable_field): No longer static.
170 * cp-tree.h: Declare it.
171 * call.c (build_aggr_conv): Fail if there are more initializers
172 than initializable fields.
174 * semantics.c (maybe_add_lambda_conv_op): Use null_pointer_node
175 instead of void_zero_node.
177 2010-03-31 Dodji Seketeli <dodji@redhat.com>
180 * cp-tree.h (TEMPLATE_TYPE_PARM_SIBLING_PARMS): New accessor macro.
181 * pt.c (end_template_parm_list): Store sibling template parms of
182 each TEMPLATE_TYPE_PARMs into its TEMPLATE_TYPE_PARM_SIBLING_PARMS.
183 (push_template_decl_real): Don't store the containing template decl
184 into the DECL_CONTEXT of TEMPLATE_TYPE_PARMs anymore.
185 * typeck.c (get_template_parms_of_dependent_type): Get sibling parms
186 of a TEMPLATE_TYPE_PARM from TEMPLATE_TYPE_PARM_SIBLING_PARMS.
189 2010-03-30 Jason Merrill <jason@redhat.com>
192 * pt.c (push_template_decl_real): Deal better with running out of
193 scopes before running out of template parms.
197 * parser.c (cp_parser_direct_declarator): Don't allow VLAs in
198 function parameter context. Don't print an error if parsing
202 * pt.c (more_specialized_fn): Don't control cv-qualifier check
205 2010-03-26 Jason Merrill <jason@redhat.com>
208 * parser.c (cp_parser_qualifying_entity): Do accept enum names in
209 c++0x mode, but not other type-names.
211 2010-03-26 Dodji Seketeli <dodji@redhat.com>
214 * pt.c (add_to_template_args): Support NULL ARGS;
215 (most_specialized_class): call coerce_template_parms on
216 template arguments passed to get_class_bindings. Use
217 add_to_template_args.
218 (unify): Handle VAR_DECLs.
220 2010-03-26 Dodji Seketeli <dodji@redhat.com>
222 * cp-tree.h (get_template_parms_at_level): Change unsigned parm
224 * pt.c (get_template_parms_at_level): Adjust.
226 2010-03-25 Dodji Seketeli <dodji@redhat.com>
229 * cp-tree.h (get_template_parms_at_level): Declare ...
230 * pt.c (get_template_parms_at_level): ... new function.
231 * typeck.c (get_template_parms_of_dependent_type): If a template
232 type parm's DECL_CONTEXT isn't yet set, get its siblings from
233 current_template_parms. Use get_template_parms_at_level. Remove
235 (incompatible_dependent_types_p): If we get empty parms from just one
236 of the template type parms we are comparing then the template parms are
239 2010-03-24 Jason Merrill <jason@redhat.com>
242 * parser.c (make_declarator): Initialize id_loc.
243 (cp_parser_lambda_declarator_opt): And set it.
245 2010-03-23 Jason Merrill <jason@redhat.com>
247 Make lambda conversion op and op() non-static.
248 * semantics.c (maybe_add_lambda_conv_op): Make non-static.
249 Also add the thunk function returned by the conversion op.
250 Mark the conversion deleted if the op() is variadic.
251 * decl2.c (mark_used): Give helpful message about deleted conversion.
252 * parser.c (cp_parser_lambda_declarator_opt): Don't make op() static.
253 * semantics.c (finish_this_expr): Adjust.
254 * mangle.c (write_closure_type_name): Adjust.
255 * decl.c (grok_op_properties): Don't allow it.
256 * call.c (build_user_type_conversion_1): No static conversion ops.
257 (build_op_call): Or op().
259 * decl2.c (change_return_type): Fix 'this' quals.
261 2010-03-22 Jason Merrill <jason@redhat.com>
264 * tree.c (pod_type_p): Use old meaning in C++98 mode.
267 * pt.c (contains_auto_r): New fn.
268 (do_auto_deduction): Use it.
269 (tsubst): Don't look at TREE_TYPE of a TEMPLATE_TYPE_PARM.
271 2010-03-20 Simon Martin <simartin@users.sourceforge.net>
274 * decl2.c (grokfield): Handle invalid initializers for member
277 2010-03-20 Dodji Seketeli <dodji@redhat.com>
280 * method.c (make_alias_for): Avoid crashing when DECL_LANG_SPECIFIC
282 * decl2.c (vague_linkage_p): Likewise.
284 2010-03-18 Paolo Carlini <paolo.carlini@oracle.com>
287 * parser.c (cp_parser_for_init_statement): Use NULL_TREE, not
288 false, in the cp_parser_expression_statement call.
290 2010-03-05 Jason Merrill <jason@redhat.com>
292 * mangle.c (mangle_decl): Give name collision error even without
295 2010-03-04 Marco Poletti <poletti.marco@gmail.com>
297 * pt.c (process_partial_specialization): Use error_n instead of
300 2010-03-03 Jason Merrill <jason@redhat.com>
303 * mangle.c (mangle_decl): Handle VAR_DECL, too.
305 2010-03-03 Jason Merrill <jason@redhat.com>
308 * mangle.c: Include cgraph.h.
309 (mangle_decl): If the mangled name will change in a later
310 ABI version, make the later mangled name an alias.
311 * method.c (make_alias_for): Copy DECL_ARGUMENTS.
312 * Make-lang.in (mangle.o): Depend on cgraph.h.
313 * method.c (make_alias_for): Handle VAR_DECL, too.
314 * decl2.c (vague_linkage_p): Rename from vague_linkage_fn_p.
315 * tree.c (no_linkage_check): Adjust.
316 * decl.c (maybe_commonize_var): Adjust.
319 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
321 * pt.c (redeclare_class_template): Use error_n and inform_n.
323 2010-02-27 Mark Mitchell <mark@codesourcery.com>
326 * cp-tree.h (push_tinst_level): Declare.
327 (pop_tinst_level): Likewise.
328 * pt.c (push_tinst_level): Give it external linkage.
329 (pop_tinst_level): Likewise.
330 * mangle.c (mangle_decl_string): Set the source location to that
331 of the decl while mangling.
333 2010-02-27 Simon Martin <simartin@users.sourceforge.net>
336 * pt.c (redeclare_class_template): Return false if there are erroneous
339 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
341 * pt.c (push_tinst_level): Replace -ftemplate-depth- with
344 2010-02-24 Jason Merrill <jason@redhat.com>
347 * mangle.c (write_type): Give -Wabi warning for old vector mangling.
349 * class.c (layout_class_type): Don't give -Wabi warning for a bug
350 in a previous ABI version.
352 2010-02-23 Jason Merrill <jason@redhat.com>
355 * typeck2.c (digest_init_r): Accept value init of array.
357 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
360 * typeck.c (convert_arguments): Update error message.
362 2010-02-22 Mike Stump <mikestump@comcast.net>
365 * decl.c (duplicate_decls): Merge DECL_PRESERVE_P.
367 2010-02-21 Manuel López-Ibáñez <manu@gcc.gnu.org>
370 * error.c (print_instantiation_partial_context_line): New.
371 (print_instantiation_partial_context): Print at most 12 contexts,
372 skip the rest with a message.
374 2010-02-21 Dodji Seketeli <dodji@redhat.com>
377 * pt.c (lookup_template_class): Better support of specialization
378 of member of class template implicit instantiation.
380 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
383 * call.c (conversion_null_warnings): Replace -Wconversion with
385 * cvt.c (build_expr_type_conversion): Likewise.
387 2010-02-18 Jason Merrill <jason@redhat.com>
390 * class.c (create_vtable_ptr): Set DECL_PACKED if type is packed.
393 * typeck.c (cp_build_binary_op): Adapt mixed complex/non handling from
395 * cp-tree.h (WANT_VECTOR_OR_COMPLEX): Rename from WANT_VECTOR.
396 * cvt.c (build_expr_type_conversion): Allow COMPLEX_TYPE.
399 * semantics.c (finish_goto_stmt): Don't call decay_conversion.
403 * pt.c (tsubst_qualified_id): Do normal lookup in non-dependent scope.
404 (maybe_update_decl_type): New fn.
405 * parser.c (cp_parser_init_declarator): Use it.
408 * semantics.c (begin_class_definition): Don't crash on unnamed ns.
410 2010-02-17 Jason Merrill <jason@redhat.com>
413 * call.c (build_over_call): Don't create zero-sized assignments.
414 * cp-gimplify.c (cp_genericize_r): Don't remove them here.
415 * cp-objcp-common.c (cp_expr_size): Remove.
416 * cp-tree.h: Remove prototype.
419 * name-lookup.c (set_decl_namespace): Don't copy DECL_CONTEXT if the
420 decl we looked up doesn't match.
423 * cp-gimplify.c (cp_gimplify_expr) [INIT_EXPR]: Return if we don't
424 have an INIT_EXPR anymore.
427 * pt.c (convert_nontype_argument): Change assert to test.
429 2010-02-16 Jason Merrill <jason@redhat.com>
431 * cp-gimplify.c (cp_gimplify_expr): Fix error recovery.
434 * cp-gimplify.c (cp_gimplify_expr) [MODIFY_EXPR]: Use
435 VIEW_CONVERT_EXPR for conversions between structural equality types
436 that the back end can't tell are the same.
439 * tree.c (build_cplus_array_type): Set TYPE_MAIN_VARIANT to strip
440 cv-quals from element here.
441 (cp_build_qualified_type_real): Not here. Preserve typedef name.
443 2010-02-14 Jason Merrill <jason@redhat.com>
446 * semantics.c (finish_compound_literal): Use
447 cp_apply_type_quals_to_decl when creating a static variable.
449 2010-02-12 Jason Merrill <jason@redhat.com>
452 * name-lookup.h (current_binding_level): Check for null
455 2010-02-12 Jason Merrill <jason@redhat.com>
458 * tree.c (cp_tree_equal): Correct CALL_EXPR logic.
460 2010-02-12 Jakub Jelinek <jakub@redhat.com>
463 * name-lookup.c (pushdecl_maybe_friend): Check default args of t
466 2010-02-10 Jason Merrill <jason@redhat.com>
469 * semantics.c (outer_lambda_capture_p): Revert.
470 (add_capture): Only finish_member_declaration if
471 we're in the lambda class.
472 (register_capture_members): New.
473 * cp-tree.h: Declare it.
474 * parser.c (cp_parser_lambda_expression): Call it.
476 2010-02-10 Jason Merrill <jason@redhat.com>
479 * semantics.c (outer_lambda_capture_p): Use current_function_decl
480 instead of current_class_type.
482 2010-02-10 Jason Merrill <jason@redhat.com>
484 PR c++/42983, core issue 906
485 * method.c (defaultable_fn_check): Check virtualness.
487 2010-02-10 Jason Merrill <jason@redhat.com>
490 * semantics.c (maybe_add_lambda_conv_op): Set DECL_INTERFACE_KNOWN.
492 2010-02-10 Shujing Zhao <pearly.zhao@oracle.com>
494 * Make-lang.in (cp/cvt.o, cp/parser.o, cp/search.o): Depend on intl.h.
495 * cvt.c (warn_ref_binding): Wrap the messages into G_() for easy
497 * parser.c (cp_parser_postfix_expression, cp_parser_new_type_id)
498 (cp_parser_cast_expression, cp_parser_condition, cp_parser_decltype)
499 (cp_parser_parameter_declaration)
500 (cp_parser_exception_specification_opt)
501 (cp_parser_exception_declaration): Likewise.
502 * pt.c (check_default_tmpl_args): Likewise.
503 * search.c (lookup_field_r): Likewise.
505 2010-02-09 Jason Merrill <jason@redhat.com>
508 * pt.c (tsubst_copy_and_build): Propagate LAMBDA_EXPR_LOCATION.
510 2010-02-09 Jason Merrill <jason@redhat.com>
513 * decl2.c (change_return_type): New fn.
514 * semantics.c (apply_lambda_return_type): Use it.
515 * cp-tree.h: Declare it.
517 2010-02-05 Richard Guenther <rguenther@suse.de>
519 * Make-lang.in (cp/cp-lang.o): Depend on gt-cp-cp-lang.h.
520 * cp-lang.c: Include gt-cp-cp-lang.h.
521 * config-lang.in (gtfiles): Add cp/cp-lang.c.
523 2010-02-05 Dodji Seketeli <dodji@redhat.com>
526 * typeck.c (get_template_parms_of_dependent_type): Try getting
527 the template parameters fromt the type itself first.
529 2010-02-03 Jason Merrill <jason@redhat.com>
533 * mangle.c (write_unqualified_id): Split out from write_expression.
534 (write_unqualified_name): Call it.
535 (write_member_name): Likewise.
536 (write_expression): Support TEMPLATE_ID_EXPR.
537 Disambiguate operator names.
540 * mangle.c (write_type) [VECTOR_TYPE]: Change mangling with
543 2010-02-02 Jason Merrill <jason@redhat.com>
546 * decl.c (cp_finish_decl): Add local statics to cfun->local_decls.
547 * optimize.c (clone_body): Remap their initializers when making base
549 (maybe_clone_body): Complain if multiple clones aren't safe.
551 2010-01-29 Dodji Seketeli <dodji@redhat.com>
558 * cp-tree.h (NON_DEFAULT_TEMPLATE_ARGS_COUNT,
559 SET_NON_DEFAULT_TEMPLATE_ARGS_COUNT,
560 GET_NON_DEFAULT_TEMPLATE_ARGS_COUNT): New accessor macros.
561 * pt.c (coerce_template_parms, type_unification_real,
562 expand_template_argument_pack, coerce_template_parameter_pack):
563 Set the non default template args count.
564 (current_template_args): Always set non defaulted
565 template args count when compiled with --enable-checking
566 (tsubst_template_args, type_unification_real): Propagate the non
567 defaulted template args count.
568 * error.c (get_non_default_template_args_count): Renamed
569 count_non_default_template_args into this. Don't calculate the
570 non default template argument count anymore. Use the new
571 accessor macros above to get it.
572 (dump_template_argument_list, dump_type, dump_decl,
573 dump_template_parms): Adjust.
574 * parser.c (cp_parser_template_argument_list): Always set defaulted
575 template args count when compiled with --enable-checking.
577 2010-01-29 Shujing Zhao <pearly.zhao@oracle.com>
579 * decl.c (redeclaration_error_message): Wrap the return messages into
580 G_() for easy translation.
582 2010-01-28 Jason Merrill <jason@redhat.com>
585 * semantics.c (begin_class_definition): Don't use type_as_string.
587 2010-01-28 Dodji Seketeli <dodji@redhat.com>
591 * typeck.c (get_template_parms_of_dependent_type): Factorized
592 this out of incompatible_template_type_parms_p
593 (incompatible_dependent_types_p): Renamed
594 incompatible_template_type_parms_p into this. Make it detect
595 two incompatible dependent typedefs too.
596 (structural_comptypes): Use incompatible_dependent_types_p.
597 * pt.c (get_template_info):
598 Handle BOUND_TEMPLATE_TEMPLATE_PARAM.
600 2010-01-20 Janis Johnson <janis187@us.ibm.com>
601 Jason Merrill <jason@redhat.com>
603 * mangle.c (write_type): Mangle transparent record as member type.
604 * semantics.c (begin_class_definition): Recognize decimal classes
605 and set TYPE_TRANSPARENT_AGGR.
607 2010-01-20 Jason Merrill <jason@redhat.com>
610 * mangle.c (write_expression): Handle tree codes that have extra
611 arguments in the middle-end.
613 2010-01-20 Paolo Carlini <paolo.carlini@oracle.com>
616 * except.c (expand_start_catch_block): Deal correctly with
617 do_begin_catch returning error_mark_node.
619 2010-01-20 Jason Merrill <jason@redhat.com>
622 * class.c (layout_class_type): Set packed_maybe_necessary for packed
626 * semantics.c (build_lambda_object): Call mark_used on captured
630 * decl.c (grokdeclarator): Clear type_quals for a member function
631 declared using a typedef. Don't complain about adding cv-quals
632 to a function typedef in C++0x mode.
634 2010-01-20 Jakub Jelinek <jakub@redhat.com>
636 * decl.c (create_array_type_for_decl): Remove set but not used
637 variable error_msg. Remove break stmts after return stmts.
639 2010-01-19 Dodji Seketeli <dodji@redhat.com>
641 * error.c (dump_template_parms, count_non_default_template_args):
642 Revert fix of PR c++/42634.
644 2010-01-18 Dodji Seketeli <dodji@redhat.com>
647 * error.c (dump_template_parms): Use innermost template
648 arguments before calling count_non_default_template_args.
649 (count_non_default_template_args): We are being called with
650 template innermost arguments now. There is no need to ensure
653 2010-01-18 Dodji Seketeli <dodji@redhat.com>
656 * cvt.c (build_expr_type_conversion): Look through OVERLOAD.
658 2010-01-17 Dodji Seketeli <dodji@redhat.com>
661 *pt.c (tsubst_decl): Revert commit for PR c++/42697.
663 2010-01-17 Dodji Seketeli <dodji@redhat.com>
666 *pt.c (tsubst_decl): Get the arguments of a specialization from
667 the specialization template, not from the most general template.
669 2010-01-16 Jason Merrill <jason@redhat.com>
672 * semantics.c (finish_decltype_type): Within a template, treat
673 unresolved CALL_EXPR as dependent.
675 2010-01-15 Dodji Seketeli <dodji@redhat.com>
677 * error.c (dump_template_parms,count_non_default_template_args):
678 Revert changes of PR c++/42634.
680 2010-01-14 Jakub Jelinek <jakub@redhat.com>
683 * decl.c (finish_function): Don't emit -Wreturn-type warnings in
684 functions with noreturn attribute.
686 2010-01-14 Jason Merrill <jason@redhat.com>
689 * call.c (build_new_method_call): Don't free the vec here.
692 * call.c (convert_like_real): Do full decay_conversion for ck_rvalue.
694 2010-01-13 Dodji Seketeli <dodji@redhat.com>
697 * error.c (dump_template_parms): Use innermost template
698 arguments before calling count_non_default_template_args.
699 (count_non_default_template_args): We are being called with
700 template innermost arguments now. There is no need to ensure
703 2010-01-07 Dodji Seketeli <dodji@redhat.com>
706 * pt.c (unify_pack_expansion): In non-deduced contexts, re-use template
707 arguments that were previously deduced.
709 2010-01-05 Jason Merrill <jason@redhat.com>
711 * pt.c (unify_pack_expansion): Handle deduction from init-list.
712 * call.c (build_over_call): Don't complain about it.
714 2010-01-04 Jason Merrill <jason@redhat.com>
717 * pt.c (tsubst_decl): Don't apply type attributes in place.
720 * semantics.c (describable_type): Remove decltype comment and
725 Copyright (C) 2010 Free Software Foundation, Inc.
727 Copying and distribution of this file, with or without modification,
728 are permitted in any medium without royalty provided the copyright
729 notice and this notice are preserved.