[Bug c++/94288] co_await in while loop crashes g++

[iains at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94288

--- Comment #5 from Iain Sandoe <iains at gcc dot gnu.org> ---
(In reply to Martin Liška from comment #4)
> (In reply to Iain Sandoe from comment #3)
> > thanks for the report.  The reduced testcase at c#2 doesn't fire for me once
> > pending updates are applied. However, the attached case preprocessed code
> > does; I think we will be able to make suitable test-cases, once the analysis
> > is done.
> 
> If you point me to the pending patches, I can make reduction based on that?

(the reduction is not urgent, I've an idea about the problem, hopefully have a
few cycles on it tomorrow)

unreviewed:
https://gcc.gnu.org/pipermail/gcc-patches/2020-March/542407.html
review-in-progress:
https://gcc.gnu.org/pipermail/gcc-patches/2020-March/542411.html

(but thanks for the offer!)