2016-08-08  Bernd Edlinger  <bernd.edlinger@hotmail.de>

	PR tree-optimization/71083
	* tree-predcom.c (ref_at_iteration): Rewrite the inner reference.

testsuite:
2016-08-08  Bernd Edlinger  <bernd.edlinger@hotmail.de>

	PR tree-optimization/71083
	* gcc.c-torture/execute/pr71083.c: New test.