[Bug libstdc++/97944] New: 30_threads/jthread/95989.cc fails randomly

[clyon at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97944

            Bug ID: 97944
           Summary: 30_threads/jthread/95989.cc fails randomly
           Product: gcc
           Version: 11.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libstdc++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: clyon at gcc dot gnu.org
  Target Milestone: ---

Since this new test was introduced, it fails randomly on arm, aarch64 and other
targets (apparently powerpc, ia64, m68k according to gcc-testresults).

The logs say:
terminate called after throwing an instance of 'std::system_error'
  what():  Unknown error -8461584