* tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
	(memory_address_same): New.
	(dse_optimize_stmt): Call memory_address_same.
gcc/testsuite/
	* gcc.c-torture/execute/20051110-1.c,
	gcc.c-torture/execute/20051110-2.c: New tests.

From-SVN: r106807