[Bug c++/121643] [15/16 Regression] Internal compiler error when await_suspend takes default argument

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121643

--- Comment #6 from Iain Sandoe <iains at gcc dot gnu.org> ---
(In reply to Iain Sandoe from comment #5)
> (In reply to Patrick Palka from comment #4)
> > Started with r16-1548 / r15-10103-ga169a4718b5b62
> 
> interesting ...
> 
> https://eel.is/c++draft/expr.await#3.7
> 
> does not appear to give the option for additional parameters to
> await_suspend(<handle>)
> 
> ... are we sure that it is intended?

(of course, we should not ICE in any case)