[Bug libstdc++/108861] notify_all_at_thread_exit() should notify on cond while lock is held to avoid a race

[vini.ipsmaker at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108861

--- Comment #2 from Vinícius dos Santos Oliveira <vini.ipsmaker at gmail dot 
com> ---
> Isn't this just Bug 98449? Why did you close that as FIXED?

Nobody is going to fix 98449. The ONE-line patchset fixing the issue was there
for YEARS. Why does it take so many years to review ONE line? It's obvious that
it'll just hang there forever. Meanwhile I have a code base affected by this
issue.