2011-11-18  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/50605
	* gimple.c (is_gimple_ip_invariant_address): Also handle MEM_REFs
	of IPA invariant decls.

	* testsuite/g++.dg/ipa/pr50605.C: New test.

From-SVN: r181477