[Bug libstdc++/104928] std::counting_semaphore on Linux can sleep forever

[nate at thatsmathematics dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104928

--- Comment #2 from Nate Eldredge <nate at thatsmathematics dot com> ---
This bug is still present.  Tested and reproduced with g++ 13.1.0 (Ubuntu
package), and by inspection of the source code, it's still in the trunk as
well.

Encountered on StackOverflow:
https://stackoverflow.com/questions/77626624/race-condition-in-morriss-algorithm