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

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

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

--- Comment #4 from Sam James <sjames at gcc dot gnu.org> ---
Using musttail also makes a promise to the compiler about whether things
escape, though.