https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112560
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- This code seems to originally was added with https://gcc.gnu.org/pipermail/gcc-patches/2011-April/311365.html The discussion on the patch continues into May: https://gcc.gnu.org/pipermail/gcc-patches/2011-May/312415.html
