git: openjdk/jdk: 8253169: [BACKOUT] Improve large object handling during evacuation

[Kim Barrett]

Changeset: 74851c50
Author:    Kim Barrett <kbarrett at openjdk.org>
Date:      2020-09-15 14:33:04 +0000
URL:       https://git.openjdk.java.net/jdk/commit/74851c50

8253169: [BACKOUT] Improve large object handling during evacuation

Revert "8027545: Improve object array chunking test in G1's copy_to_survivor_space"
Revert "8158045: Improve large object handling during evacuation"
Revert "8027761: Investigate fast-path for scanning only objects with references during gc"

Reviewed-by: tschatzl, sjohanss

! src/hotspot/share/gc/g1/g1ParScanThreadState.cpp
! src/hotspot/share/gc/g1/g1ParScanThreadState.hpp
- src/hotspot/share/gc/shared/partialArrayTaskStepper.cpp
- src/hotspot/share/gc/shared/partialArrayTaskStepper.hpp
- src/hotspot/share/gc/shared/partialArrayTaskStepper.inline.hpp
! src/hotspot/share/oops/arrayOop.hpp
! src/hotspot/share/oops/objArrayOop.hpp
- test/hotspot/gtest/gc/shared/test_partialArrayTaskStepper.cpp