Shenandoah: Separate root scanner for SH::object_iterate()

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    • gc
    • b03

      This patch is a prerequisite for JDK-8226310.
      Separate root scanner for SH::object_iterate(), enforce strict restriction, so that it can not interfere with concurrent CLDG iteration.

      The specialized root scanner should not clear CLDG's claim mask, and should use _claim_none to walk CLDG.

            Assignee:
            Zhengyu Gu
            Reporter:
            Zhengyu Gu
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              Updated:
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