2015-01-16  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/64568
	* tree-ssa-forwprop.c (pass_forwprop::execute): Guard
	complex load rewriting for TARGET_MEM_REFs.

	* g++.dg/torture/pr64568-2.C: New testcase.

From-SVN: r219736