[Bug tree-optimization/127036] [13/14/15/16/17 Regression] wrong code at -O{2, 3} with -fno-vect-cost-model on x86_64-linux-gnu (generated code hangs)

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127036

--- Comment #6 from Drea Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Zhendong Su from comment #1)
> Another reproducer likely for the same issue:
> 
> Compiler Explorer: https://godbolt.org/z/oKozzKPf9
> 
> Note:
> - fails: 12.1 to trunk
> - works: 11.5 and earlier


This one might be something different but someone would need to analysis it to
see.