http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49911
--- Comment #17 from Rafael Avila de Espindola <rafael.espindola at gmail dot com> 2011-08-17 21:31:43 UTC --- Created attachment 25041 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25041 gcc 4.5 backport I have tried porting the vrp patch to 4.5. It works out of the box on 32 bits, but for 64 I had to backport the fix that sign extends size types too.