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

[angelsl at in04 dot sg via Gcc-bugs]

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

--- Comment #1 from Tee Hao Wei <angelsl at in04 dot sg> ---
Created attachment 52628
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52628&action=edit
Preprocessed, gzipped reproducer