[Bug tree-optimization/119616] mixing musttail with normal returns with taking the address of an argument

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119616

--- Comment #15 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Why it fails for FF with PGO is because we decide not to inline a few things
and things just go down hill. Why it works at -O1 vs -O2 is because the
musttail pass skips over non-musttail edges.