[Bug tree-optimization/103194] [12 Regression] ice in optimize_atomic_bit_test_and with __sync_fetch_and_and since r12-5102-gfb161782545224f5

[crazylht at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103194

--- Comment #19 from Hongtao.liu <crazylht at gmail dot com> ---
(In reply to Hongtao.liu from comment #18)
> Created attachment 51806 [details]
> untested patch.
> 
> I'm testing this patch.

This patch is for optimization.