https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68480
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Component|c |middle-end Resolution|--- |WONTFIX --- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> --- 4.1 is no longer support and has not been for over 5 years now. Closing as won't fix. There was some known issues in pre GCC 4.7 where aliasing was broken (there are a few bug reports already closed about it).