[Bug tree-optimization/119718] __attribute__((musttail)) affects whether -foptimize-tail-calls will in fact optimize a tail call

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119718

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
musttail does change the definition of the function call slightly when it comes
to local variables escaping.