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  1. JDK
  2. JDK-8297936

Use reachabilityFence to manage liveness in ClassUnload tests

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    • b13

    Description

      In test/hotspot/jtreg/runtime/ClassUnload/:

      Some tests keep objects live by using either static fields (e.g. UnloadTest.java) or print (e.g. ConstantPoolDependsTest.java).

      A better solution, as suggested by David in https://github.com/openjdk/jdk/pull/11409, is to use `Reference.reachabilityFence`.

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          Bug - A problem which impairs or prevents the functions of the product. JDK-8297740 runtime/ClassUnload/UnloadTest.java failed with "Test failed: should still be live"

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Resolved
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          Commit Commit openjdk/jdk/5085bd5f

          Review Review openjdk/jdk/12552

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              azafari Afshin Zafari
              ayang Albert Yang
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