G1: Add comment in G1BarrierSetC1::pre_barrier

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    • Type: Enhancement
    • Resolution: Fixed
    • Priority: P4
    • 20
    • Affects Version/s: 20
    • Component/s: hotspot
    • gc
    • b15

      JDK-8289138 tries to remove an redundant check in C1 pre-barrier. However, that causes crashes in JDK-8292221. The problematic commit has been reverted.

      Try to add some comment to explain this seemingly redundant check.

            Assignee:
            Albert Yang
            Reporter:
            Albert Yang
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              Created:
              Updated:
              Resolved: