[Bug middle-end/80100] simplify-rtx.c sanitizer detects undefined behaviour with optimization

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80100

--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
(In reply to Vittorio Zecca from comment #7)
> Looking at the diff file, where is the change in line 2744? 
> "int count = INTVAL (XEXP (op0, 1));"
> 
> Old and new look the same to me.

Whitespace fix, spaces to tab.