Backported from mainline

	Backported from mainline
	2013-02-07  Jakub Jelinek  <jakub@redhat.com>

	PR c++/56239
	* parser.c (cp_parser_token_starts_cast_expression): Renamed to...
	(cp_parser_tokens_start_cast_expression): ... this.  Change parameter
	to cp_parser *, call cp_lexer_peek_token first.  For CPP_OPEN_PAREN,
	return true only if 2nd token isn't CPP_CLOSE_PAREN.
	(cp_parser_cast_expression): Adjust caller.

	* g++.dg/parse/pr56239.C: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@196145 138bc75d-0d04-0410-961f-82ee72b054a4