Auto-port 4.1: Propagate exceptions from inner threads in buffer tests#16652
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Motivation: If there are assertion failures inside threads started by a test, we need to ensure that the exception propagates out of the test, instead of just killing the started thread. This is likely the cause of some test timeouts we're seeing, and this change will help us uncover the root causes. Modification: Catch exceptions inside threads started by the tests, and make sure to progress relevant barriers. Propagate the exception to the test-running thread so we capture the cause. Result: Easier to debug tests. (cherry picked from commit 4f3533a)
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Auto-port of #16643 to 4.1
Cherry-picked commit: 4f3533a
Motivation:
If there are assertion failures inside threads started by a test, we need to ensure that the exception propagates out of the test, instead of just killing the started thread. This is likely the cause of some test timeouts we're seeing, and this change will help us uncover the root causes.
Modification:
Catch exceptions inside threads started by the tests, and make sure to progress relevant barriers. Propagate the exception to the test-running thread so we capture the cause.
Result:
Easier to debug tests.