http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49786
--- Comment #11 from Markus Trippelsdorf <markus at trippelsdorf dot de> 2011-07-20 17:48:34 UTC --- And it's indeed caused by the new IPA-CP code (Revision 176424, commit 821d0e0f73d79232eb827c3988c34d5a1fbeb422). Reverting the commit "solves" the issue.