http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50624 --- Comment #2 from Andi Kleen <andi-gcc at firstfloor dot org> 2011-10-05 18:56:24 UTC --- Thanks. It's not a pure regression. Even 4.5 misses some easy cases: especially the local stack array case, which should be in theory really easy.