[Bug target/112518] [14 Regression] wrong code with __builtin_mul_overflow_p() and int128_t on x86_64-pc-linux-gnu

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112518

--- Comment #7 from Sam James <sjames at gcc dot gnu.org> ---
We can add the test case at
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112526#c14 too if it's fine.