RFR 8226586: Shenandoah: No need to pre-evacuate roots for degenerated G

Zhengyu Gu zgu at redhat.com
Fri Jun 21 17:36:37 UTC 2019

There is no need to pre-evacuate roots during degenerated GC. The roots 
are updated after evacuation in final update references phase.

Bug: https://bugs.openjdk.java.net/browse/JDK-8226586
Webrev: http://cr.openjdk.java.net/~zgu/JDK-8226586/webrev.00/

   hotspot_gc_shenandoah (fastdebug and release)



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