https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118442
--- Comment #10 from Ken Jin <kenjin4096 at gmail dot com> --- Wow, I tried a patched version of CPython and it now builds with musttail and PGO. Massive thanks to all the GCC contributors that worked towards this! I'm always in awe at how complex software like GCC work.
