[Bug tree-optimization/117100] [13 regression] ImageMagick miscompiled with -O1 -funswitch-loops

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117100

--- Comment #2 from Sam James <sjames at gcc dot gnu.org> ---
(FWIW, the bisect result makes no sense to me, but I did revert it on
releases/13 and it worked?)