Various intermittent failures observed as shown in JDK-8337151. Backing out the original change for now.
            
- duplicates
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                    JDK-8337151 Test gc/g1/humongousObjects/TestNoAllocationsInHRegions.java failed: address not aligned -           
- Closed
 
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- relates to
- 
                    JDK-8337151 Test gc/g1/humongousObjects/TestNoAllocationsInHRegions.java failed: address not aligned -           
- Closed
 
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                    JDK-8336098 G1: Refactor G1RebuildRSAndScrubTask -           
- Closed
 
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- links to
- 
                     Commit(master)
        openjdk/jdk/00b53481 Commit(master)
        openjdk/jdk/00b53481
- 
                     Review(master)
        openjdk/jdk/20324 Review(master)
        openjdk/jdk/20324