PR tree-optimization/60902
	* tree-ssa-threadedge.c
	(record_temporary_equivalences_from_stmts_at_dest): Make sure to
	invalidate outputs from statements that do not produce useful
	outputs for threading.

	PR tree-optimization/60902
	* gcc.target/i386/pr60902.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@209716 138bc75d-0d04-0410-961f-82ee72b054a4