genmatch.c: Include hash-set.h.

genmatch.c: Include hash-set.h.

2014-12-02  Richard Biener  <rguenther@suse.de>
	Prathamesh Kulkarni  <bilbotheelffriend@gmail.com>

	* genmatch.c: Include hash-set.h.
	(fatal_at): Add source_location overload.
	(parser::record_operlist): New method.
	(parser::push_simplify): Likewise.
	(parser::oper_lists_set): New member.
	(parser::oper_lists): Likewise.
	(parser::parse_operation): Record seen operator list references.
	(parser::parse_c_expr): Likewise.
	(parser::parse_simplify): Init oper_lists_set and oper_lists
	and use push_simplify.
	(parser::parser): Init oper_lists_set and oper_lists.

Co-Authored-By: Prathamesh Kulkarni <bilbotheelffriend@gmail.com>
From-SVN: r218261