[Bug debug/109676] [13/14 regression] ICE in simplify_subreg, at simplify-rtx.cc:7426 when building firefox with -O2 -march=alderlake -g

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109676

--- Comment #9 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Sam James from comment #3)
> Created attachment 54958 [details]
> small.ii
> 
> This took 14.5 hours, but we got there! Smaller reproducer attached.
> Interested in if pinskia's one is going to be different...

Looks like it is going to be reduced to a very similar code. That is the code
like ParamTraitsRead is definitely the function where the ICE happens in my
reduced version.