More gc interface tweaks for arraycopy

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    • Type: Enhancement
    • Resolution: Fixed
    • Priority: P4
    • 12
    • Affects Version/s: 12
    • Component/s: hotspot
    • b19

      - when an arraycopy is turned into loads/stores and the field or
        element being copied is a reference. In that case, barriers may have
        to be applied.

      - when a clone is expanded into a stub call. In that case a
        postbarrier may be required. That one is only required when a
        reference field or element may be encountered. That's where the
        ciInstanceKlass changes come in.

            Assignee:
            Roland Westrelin
            Reporter:
            Roland Westrelin
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              Created:
              Updated:
              Resolved: