http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57124
Jeffrey A. Law <law at redhat dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED --- Comment #8 from Jeffrey A. Law <law at redhat dot com> --- Trunk updated to only perform optimization when overflow semantics allow it. 254.gap should be compiling with -fno-strict-overflow to avoid the undefined behaviour.