re PR c++/11551 (g++ accepts typedef as destructor name)

re PR c++/11551 (g++ accepts typedef as destructor name)

	PR c++/11551
	* parser.c (cp_parser_id_expression): Add declarator_p parameter.
	(cp_parser_primary_expression): Adjust call to
	cp_parser_id_expression.
	(cp_parser_unqualified_id): Complain about the use of
	typedef-names in a destructor declarator.
	(cp_parser_postfix_expression): Adjust call to
	cp_parser_id_expression.
	(cp_parser_type_parameter): Likewise.
	(cp_parser_template_argument): Likewise.
	(cp_parser_declarator_id): Likewise.

	PR c++/11919
	* call.c (standard_conversion): Use same_type_p, not pointer
	equality, to compare types.

	PR c++/10762
	* parser.c (cp_parser_using_declaration): Check for invalid uses
	of template-ids here...
	* decl2.c (do_class_using_decl): ... rather than here.

	PR c++/11919
	* g++.dg/overload/prom1.C: New test.

	PR c++/11551
	* g++.dg/parse/dtor2.C: New test.

	PR c++/10762
	* g++.dg/parse/using2.C: New test.

From-SVN: r70652