http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56493
--- Comment #7 from Andrew Gallagher <andrewjcg at gmail dot com> 2013-03-09 04:17:39 UTC --- I was able to bisect this to http://gcc.gnu.org/viewcvs?view=revision&revision=172430. I haven't had time to dig in further, but that rev looks like it has plenty of inlining changes, which makes sense.