https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119536
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- I am 99% sure this is the known issue where local variables escape causing musttail to fail.
pinskia at gcc dot gnu.org via Gcc-bugs Sat, 29 Mar 2025 13:06:10 -0700
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119536
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- I am 99% sure this is the known issue where local variables escape causing musttail to fail.