[Bug c/120578] Loop termination check eliminated under -O2/-O3/Os when int overflow occurs

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120578

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|INVALID                     |---
             Status|RESOLVED                    |UNCONFIRMED

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
> This behavior results in the for loop’s termination condition being affected 
> by internal computations

But overflow is undefined behavior so the internal computation can't be
reached.