re PR c++/5655 (Member redeclared within its class definition with a different access specifier is not rejected)

	PR c++/5655
	* parser.c (cp_parser_check_access_in_redeclaration): New function.
	(cp_parser_member_declaration): Use it.
	(cp_parser_template_declaration_after_export): Likewise.

	* g++.dg/parse/access7.C: New test.
	* g++.old-deja/g++.brendan/crash56.C: Fix redeclaration error.

From-SVN: r71771