[Bug libgcc/91737] On Alpine Linux (libmusl) a statically linked C++ program which throws the first exception in two threads at the same time can busy spin on shutdown after main().

[bugdal at aerifal dot cx]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91737

--- Comment #3 from Rich Felker <bugdal at aerifal dot cx> ---
Please reopen. (I thought I could, but apparently I can't...?) RESOLVED/MOVED
makes no sense. It should either be opened or CLOSED/WONTFIX if the latter is
really going to be gcc's position on this issue.