[Patch] PR c++/26256

[Fabien Chêne]

... with the ChangeLog

gcc/ChangeLog

2011-09-21  Fabien Chêne  <fabien@gcc.gnu.org>

	PR c++/26256
	* dbxout.c (dbxout_type_fields): Ignore using declarations.


gcc/testsuite/ChangeLog

2011-09-21  Fabien Chêne  <fabien@gcc.gnu.org>

	PR c++/26256
	* g++.dg/lookup/using23.C: New.
	* g++.dg/lookup/using24.C: New.
	* g++.dg/lookup/using25.C: New.
	* g++.dg/lookup/using26.C: New.
	* g++.dg/lookup/using27.C: New.
	* g++.dg/lookup/using28.C: New.
	* g++.dg/lookup/using29.C: New.
	* g++.dg/lookup/using30.C: New.
	* g++.dg/lookup/using31.C: New.
	* g++.dg/lookup/using32.C: New.
	* g++.dg/lookup/using33.C: New.
	* g++.dg/lookup/using34.C: New.
	* g++.dg/lookup/using35.C: New.
	* g++.dg/debug/using4.C: New.
	* g++.dg/debug/using5.C: New.
	* g++.dg/cpp0x/forw_enum10.C: New.
	* g++.old-deja/g++.other/using1.C: Adjust.
	* g++.dg/template/using2.C: Likewise.

gcc/cp/ChangeLog

2011-09-21  Fabien Chêne  <fabien@gcc.gnu.org>

	PR c++/26256
	* search.c (lookup_field_1): Get rid of the comment saying that
	USING_DECL should not be returned, and actually return USING_DECL
	if appropriate.
	* semantics.c (finish_member_declaration): Remove the check that
	prevents USING_DECLs from being verified by pushdecl_class_level.
	* typeck.c (build_class_member_access_expr): Handle USING_DECLs.
	* class.c (check_field_decls): Keep using declarations.
	* parser.c (cp_parser_nonclass_name): Handle USING_DECLs.
	* decl.c (start_enum): Call xref_tag whenever possible.
	* name-lookup.c (strip_using_decl): New function.
	(supplement_binding_1): Call strip_using_decl on decl and
	bval. Perform most of the checks with USING_DECLs stripped.  Also
	check that the target decl and the target bval does not refer to
	the same declaration. Allow pushing an enum multiple times in a
	template class.
	(push_class_level_binding): Call strip_using_decl on decl and
	bval. Perform most of the checks with USING_DECLs stripped. Return
	true if both decl and bval refer to USING_DECLs and are dependent.


-- 
Fabien