[Bug target/81693] FAIL: gcc.dg/torture/pr25967-*.c -O* execution test on darwin

[ubizjak at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81693

--- Comment #5 from Uroš Bizjak <ubizjak at gmail dot com> ---
Just guessing, but maybe _exit doesn't like misaligned stack on MacOS. We may
need to emit some dummy pushes to keep it aligned.