https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116080
--- Comment #8 from Andi Kleen <andi-gcc at firstfloor dot org> --- Patch was reverted, it just made a bunch of tests unsupported. problems: - Need unique name for each new test to not confuse the caching - -O0 tests need to use musttail explictly because the musttail pass only handles musttail annotated returns.