[Bug target/128221] [x86] AVX-512 cond_fma expanders compute masked-off lanes: spurious FE_OVERFLOW with -ftrapping-math

[haochen.jiang at intel dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=128221

--- Comment #2 from Haochen Jiang <haochen.jiang at intel dot com> ---
Proposed patch:
https://gcc.gnu.org/pipermail/gcc-patches/2026-November/737116.html