[Bug middle-end/93644] [10/11/12 Regression] spurious -Wreturn-local-addr with PHI of PHI

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93644

--- Comment #18 from Eric Gallager <egallager at gcc dot gnu.org> ---
This affects musl's getcwd implementation, btw:
https://git.musl-libc.org/cgit/musl/tree/src/unistd/getcwd.c?id=v1.2.2