[PATCH] c++: Add std::to_underlying to the set of stdlib functions that are always folded

[Ville Voutilainen]

On Wed, 14 May 2025 at 16:30, Ville Voutilainen
<ville.voutilainen@gmail.com> wrote:
>
> On Wed, 14 May 2025 at 16:26, Patrick Palka <ppalka@redhat.com> wrote:
> > >           r = CALL_EXPR_ARG (x, 0);
> > >           /* Check that the return and argument types are sane before
> > >              folding.  */
> >
> > This comment should be removed too, along with the sanity check.
>
> I'll commit-as-obvious that removal, I already pushed the patch.

Then again.. should we even keep that !same_type_p bit? We trust the
library, why have even that remainder of a 'sanity' check?