JDK-8039089 : List verification enabled in product builds
  • Type: Bug
  • Component: hotspot
  • Sub-Component: gc
  • Affected Version: 8u20,9
  • Priority: P3
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2014-04-02
  • Updated: 2014-07-29
  • Resolved: 2014-04-04
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8u20Fixed 9 b10Fixed
List verification code has been accidentally enabled in product builds in one place. This may impact performance and it should be changed to only perform verification in debug builds.

ConcurrentMark::completeCleanup() is currently calling _cleanup_list.verify_list(). This will unconditionally run the verification, even in product builds. This should be replaced with verify_optional() that only runs the verification code in debug builds.