2006-04-07 Richard Guenther <rguenther@suse.de>

	PR tree-optimization/26135
	* tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
	loads for store copy-prop.
	(copy_prop_visit_stmt): Likewise.

	* gcc.dg/tree-ssa/ssa-copyprop-1.c: New testcase.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@112749 138bc75d-0d04-0410-961f-82ee72b054a4