http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59409
--- Comment #20 from rguenther at suse dot de <rguenther at suse dot de> --- On Mon, 9 Dec 2013, hjl.tools at gmail dot com wrote: > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59409 > > H.J. Lu <hjl.tools at gmail dot com> changed: > > What |Removed |Added > ---------------------------------------------------------------------------- > Status|NEW |RESOLVED > Resolution|--- |INVALID > > --- Comment #19 from H.J. Lu <hjl.tools at gmail dot com> --- > Adding -fno-strict-aliasing fixed the problem. If using Perl_my_bcopy is the problem then maybe defining HAS_SAFE_BCOPY will fix it?