I will revert the commit while I work on this. Thanks for the pointers.

On Wed, Oct 4, 2023 at 9:57 AM Jakub Jelinek <jakub@redhat.com> wrote:

> On Wed, Oct 04, 2023 at 09:47:34AM -0700, Pranav Kant wrote:
> > Thanks for bringing this to my attention. I am working on a fix. Will
> keep
> > this thread posted.
> >
> > Clang *does* define this macro only when float128 type is available. But
> > the problem seems to be that clang doesn't define _Float128 alias type
> > which is what's being used here. It only defines __float128 type. Should
> be
> > easy to fix.
>
> _Float128 (and other _FloatNN types) are standard C23 and C++23 types,
> they certainly can't be simple aliases to __float128 or other similar
> types.
> In C++ they mangle differently, have significantly different behavior in
> lots of different language details.
> So, you need to implement the https://wg21.link/P1467R9 paper, rather than
> doing quick hacks.
>
>         Jakub
>
>