[tor-bugs] #29528 [Core Tor/Tor]: UndefinedBehaviorSanitizer errors should fail the unit tests

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#29528: UndefinedBehaviorSanitizer errors should fail the unit tests
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     Reporter:  teor          |      Owner:  (none)
         Type:  defect        |     Status:  new
     Priority:  Medium        |  Milestone:  Tor: unspecified
    Component:  Core Tor/Tor  |    Version:
     Severity:  Normal        |   Keywords:  tor-ci, tor-test
Actual Points:                |  Parent ID:
       Points:  2             |   Reviewer:
      Sponsor:                |
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 In #29527, clang's UndefinedBehaviorSanitizer logs a failure, but the unit
 test succeeds.

 We should fail the unit tests on sanitizer errors. (There might be an
 environmental variable to fail on errors?)

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/29528>
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