re PR c/71583 (ICE on invalid code on x86_64-linux-gnu (in c_parser_postfix_expression_after_paren_type, at c/c-parser.c:8192))

	PR c/71583
	* c-parser.c (c_parser_postfix_expression_after_paren_type): Also
	check expr.value.

	* gcc.dg/noncompile/pr71583.c: New test.

From-SVN: r238861