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  1. JDK
  2. JDK-8138891

C1: Missing release memory barrier in C1's CMS post-barrier

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      The dirty marking of the card table needs to be a releasing store for CMS. It's already there in template interpreter and C2 on PPC64. We have seen GC crashed when testing C1 on PPC64.
      This change is a prerequisite for our C1 on PPC64 contribution.

            mdoerr Martin Doerr
            mdoerr Martin Doerr
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