PR tree-optimization/65917

	PR tree-optimization/65917
	* tree-ssa-dom.c (record_temporary_equivalences): Record both
	equivalences from if (x == y) style conditionals.
	(loop_depth_of_name): Remove.
	(record_equality): Remove loop depth check.
	* tree-ssa-scopedtables.h (const_and_copies): Refine comments.
	(const_and_copies::record_const_or_copy_raw): New member function.
	* tree-ssa-scopedtables.c
	(const_and_copies::record_const_or_copy_raw): New, factored out of
	(const_and_copies::record_const_or_copy): Call new member function.

        PR tree-optimization/65917
	* gcc.dg/tree-ssa/20030922-2.c: No longer xfailed.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@233207 138bc75d-0d04-0410-961f-82ee72b054a4