http://gcc.gnu.org/bugzilla/show_bug.cgi?id=61009
--- Comment #14 from Paul Pluzhnikov <ppluzhnikov at google dot com> --- (In reply to Teresa Johnson from comment #13) > Thanks for the fix! Indeed. > Confirming that it does indeed fix the application > issues we hit. I will add that we've had at least two separate miscompile instances due to this bug, resulting in several thousand of our unit test failing. Back-porting this to gcc-4_9-branch should be a relatively high priority.