[Bug middle-end/91946] wrong result comparing pointer with pointer+offset with -m32

[tim.ruehsen at gmx dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91946

--- Comment #8 from Tim Ruehsen <tim.ruehsen at gmx dot de> ---
Here is a good blog post about pointer overflow:
https://blog.regehr.org/archives/1395