https://issues.dlang.org/show_bug.cgi?id=23829

          Issue ID: 23829
           Summary: std/parallelism.d(4351): unittest failure
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Mac OS X
            Status: NEW
          Severity: normal
          Priority: P1
         Component: phobos
          Assignee: nobody@puremagic.com
          Reporter: bugzilla@digitalmars.com

This randomly happens when running the test suite "macOS 13.x x64 (M1), DMD
(latest)"

core.exception.AssertError@std/parallelism.d(4351): unittest failure

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