[Bug tree-optimization/115287] Missed optimzation: fold `div(v, a) * b + rem(v, a)` to `div(v, a) * (b - a) + v`

[xxs_chy at outlook dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115287

--- Comment #2 from XChy <xxs_chy at outlook dot com> ---
(In reply to Andrew Pinski from comment #1)
> Dup.
> 
> *** This bug has been marked as a duplicate of bug 113105 ***

Sorry for reporting it again. But I transfer it to rtl-optimization because the
developer told me such optimization should be done during RTL expansion, why is
the report tagged tree-optimization now?