* decl.c (grokdeclarator): Allow field with same name as class
	in extern "C".
	* decl.c (lookup_name_real): Don't limit field lookup to types.
	* class.c (check_member_decl_is_same_in_complete_scope): No error
	if icv and x are the same.
	* lex.c (do_identifier): Tweak error message.

From-SVN: r24269