https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79920
--- Comment #7 from Andrey Guskov <andrey.y.guskov at intel dot com> --- (In reply to Mikael Pettersson from comment #6) > (In reply to Andrey Guskov from comment #5) > > The revision 245968 breaks compilation of 465.tonto from SPEC2006 with these > > options: > > > > -m32 -Ofast -flto -march=core-avx2 > > Was this regression fixed, and if so by which revision? I don't have > immediate access to SPEC2006 so I cannot check for myself. Nope. As of 2017-05-16 it still persists.