RFR: 8255457: Shenandoah: cleanup ShenandoahMarkTask [v3]

Tue Oct 27 19:00:34 UTC 2020

> The code in ObjArrayChunkedTask is rough around the edges, and can be cleaned up. It would be further extended in JDK-8254315, so it makes sense to make the change before the bulk of JDK-8254315 arrives.

Aleksey Shipilev has updated the pull request incrementally with two additional commits since the last revision:

 - Minor reformatting, comments
 - Deeper cleanup

-------------

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/883/files
  - new: https://git.openjdk.java.net/jdk/pull/883/files/12a0927e..b7792dde

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=883&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=883&range=01-02

  Stats: 44 lines in 1 file changed: 13 ins; 12 del; 19 mod
  Patch: https://git.openjdk.java.net/jdk/pull/883.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/883/head:pull/883

PR: https://git.openjdk.java.net/jdk/pull/883