parser.c (cp_parser_class_specifier): Set class location to that of IDENTIFIER_NODE instead of '{' when possible.

	* parser.c (cp_parser_class_specifier): Set class location to that
	of IDENTIFIER_NODE instead of '{' when possible.
	* semantics.c (begin_class_definition): Do not overide locations
	with less precise ones.

From-SVN: r158030