https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94359
--- Comment #15 from Iain Sandoe <iains at gcc dot gnu.org> --- (In reply to Andreas Schwab from comment #14) > That completely breaks aarch64 (almost every coroutines test): apologies, do you have any immediate idea why the aarch64_function_ok_for_sibcall is failing there?