[Bug libgcc/71744] Concurrently throwing exceptions is not scalable

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71744

--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Nadav Har'El from comment #5)
> That is nothing more than an implementation bug. 

Is it?  The problem here is you need to start redesigning it to use lock-free
algorithms.  I don't see a way of doing this easily.  But maybe I am missing
something here.