hg: jdk/sandbox: 8238979: Improve G1DirtyCardQueueSet handling of previously paused buffers

[chris.hegarty at oracle.com]

Changeset: 2ec0ff304263
Author:    kbarrett
Date:      2020-02-26 14:36 -0500
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/2ec0ff304263

8238979: Improve G1DirtyCardQueueSet handling of previously paused buffers
Summary: Move enqueuing of previously paused buffers.
Reviewed-by: sangheki, sjohanss

! src/hotspot/share/gc/g1/g1DirtyCardQueue.cpp
! src/hotspot/share/gc/g1/g1DirtyCardQueue.hpp