https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61360
--- Comment #9 from GGanesh <Ganesh.Gopalasubramanian at amd dot com> --- Patch that fixes this issue has been submitted https://gcc.gnu.org/ml/gcc-patches/2014-08/msg02179.html The idea is to prohibit changes to the "enabled" attribute during lra and reload pass.