http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19831 --- Comment #11 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-09-08 13:05:26 UTC --- More cases handled now. What we still miss is conditional free, see gcc.dg/tree-ssa/pr19831-3.c for XFAILed testcases.