hg: jdk/sandbox: 8204685: Abstraction for TLAB dummy object

[chris.hegarty at oracle.com]

Changeset: d12828b7cd64
Author:    rkennke
Date:      2018-06-13 10:15 +0200
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/d12828b7cd64

8204685: Abstraction for TLAB dummy object
Reviewed-by: tschatzl, shade

! src/hotspot/share/gc/shared/collectedHeap.cpp
! src/hotspot/share/gc/shared/collectedHeap.hpp
! src/hotspot/share/gc/shared/plab.cpp
! src/hotspot/share/gc/shared/threadLocalAllocBuffer.cpp