[Bug tree-optimization/120638] [16 regression] Optimization errors caused by frange calculation errors since r16-1191

[chenglulu at loongson dot cn via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120638

--- Comment #6 from chenglulu <chenglulu at loongson dot cn> ---
(In reply to Jakub Jelinek from comment #5)
> Created attachment 61628 [details]
> gcc16-pr120638.patch
> 
> Untested fix.

So cool! My problem can be resolved!
Thanks very much!