hg: shenandoah/jdk: Shenandoah: Don't recycle trash regions before concurrent root processing

[zgu at redhat.com]

Changeset: a5aa4d967725
Author:    zgu
Date:      2019-11-26 10:46 -0500
URL:       https://hg.openjdk.java.net/shenandoah/jdk/rev/a5aa4d967725

Shenandoah: Don't recycle trash regions before concurrent root processing
Reviewed-by: rkennke

! src/hotspot/share/gc/shenandoah/shenandoahFreeSet.cpp
! src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp
! src/hotspot/share/gc/shenandoah/shenandoahHeap.hpp
! src/hotspot/share/gc/shenandoah/shenandoahHeap.inline.hpp