2011-12-06  Richard Guenther  <rguenther@suse.de>

	PR middle-end/51436
	* gimple-fold.c (gimplify_and_update_call_from_tree): Guard
	vdef check for the fact we do not have virtual operands when
	not optimizing.

	* g++.dg/torture/pr51436.C: New testcase.

From-SVN: r182045