[Bug c++/96504] [coroutines] Use after free in std::__n4861::coroutine_handle::done()

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96504

--- Comment #10 from Iain Sandoe <iains at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #9)
> Are you going to fix co-ret-17-void-ret-coro.C too?

should be done with 
https://gcc.gnu.org/pipermail/gcc-cvs/2021-January/340327.html

(as far as I am aware, having discussed with Jonathan about libstdc++ back
ports, we're up to date - it remains to see how many of the open coros PRs I
can look at this week, they will most likely also need back porting).