[Issue 21090] New: Test Suite: C++ interop tests heisenbug

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=21090

          Issue ID: 21090
           Summary: Test Suite: C++ interop tests heisenbug
           Product: D
           Version: D2
          Hardware: All
                OS: Mac OS X
            Status: NEW
          Severity: normal
          Priority: P1
         Component: dmd
          Assignee: nobody at puremagic.com
          Reporter: bugzilla at digitalmars.com

C++ interop tests / Run (macOS-10.15, clang-5.0.2)
failed 4 minutes ago in 6m 4s

The log file:
------------------------------------
Post [Posix] Load cached clang54s

Post job cleanup.
/usr/bin/tar -cz -f
/Users/runner/work/_temp/557fd234-fb17-4d35-a698-3480564cb452/cache.tgz -C
/Users/runner/work/dmd/dmd/clang+llvm-5.0.2-x86_64-apple-darwin .
[warning]Cache service responded with 503 during chunk upload.
events.js:187
      throw er; // Unhandled 'error' event
      ^

Error: EBADF: bad file descriptor, read
Emitted 'error' event on ReadStream instance at:
    at internal/fs/streams.js:167:12
    at FSReqCallback.wrapper [as oncomplete] (fs.js:470:5) {
  errno: -9,
  code: 'EBADF',
  syscall: 'read'
}

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