re PR tree-optimization/47559 (ICE: verify_stmts failed: statement marked for throw, but doesn't with -fnon-call-exceptions and noexcept)

2011-02-01  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47559
	* tree-ssa-loop-im.c (can_sm_ref_p): Do not perform
	store-motion on references that can throw.

	* g++.dg/torture/pr47559.C: New testcase.

From-SVN: r169487