PR tree-optimization/65053
	* tree-ssa-phiopt.c (value_replacement): When moving assign before
	cond, either reset VR on lhs or set it to phi result VR.

	* gcc.c-torture/execute/pr65053-1.c: New test.
	* gcc.c-torture/execute/pr65053-2.c: New test.

From-SVN: r220700