[Bug tree-optimization/116133] Missing mult_overflow detection for aarch64

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116133

--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I should note that LLVM converts it always to __builtin_mult_overflow as far as
I can tell. Even on targets like avr.