[Bug rtl-optimization/92264] [10 Regression] Compile time hog in 521.wrf_r with -Ofast -march=znver2 -g since r276318

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92264

--- Comment #26 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Martin Liška from comment #24)
> (In reply to Richard Biener from comment #23)
> > (In reply to Richard Biener from comment #22)
> > > Created attachment 48063 [details]
> > > more localized caching
> > > 
> > > Like this.  Martin, can you also check the effect on this one?
> > 
> > We can actually simplify since we won't ever use non-NULL cached vals which
> > also means this patch is a no-op and should be worse than the existing
> > state :/
> 
> So no testing is needed?

would be still interesting (but surprising) if it helps (doesn't matter
whether the original or the updated patch, the update is just constant
time improvement)