[Bug tree-optimization/105495] `__atomic_compare_exchange` prevents tail-call optimization

[lh_mouse at 126 dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105495

--- Comment #7 from LIU Hao <lh_mouse at 126 dot com> ---
Oh, the sample code contained a typo:

   *(intptr_t*) out = ival;

should be

   *(intptr_t*) out = icmp;

However it doesn't affect the bug.