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  1. JDK
  2. JDK-8341630

G1: Adopt PartialArrayState to consolidate marking stack in concurrent marking

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      As JDK-8337709 indicates, G1 concurrent marking uses segregated task queues for array chunks.

      Adopt the same mechanism for g1 concurrent marking; this has the added benefit that by default this mechanism pushes multiple continuations, fixing JDK-8167480.

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            tschatzl Thomas Schatzl
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