git: openjdk/jdk: 8255847: Shenandoah: Shenandoah should not mark through weak roots

[Zhengyu Gu]

Changeset: 31918c55
Author:    Zhengyu Gu <zgu at openjdk.org>
Date:      2020-11-05 15:29:11 +0000
URL:       https://github.com/openjdk/jdk/commit/31918c55

8255847: Shenandoah: Shenandoah should not mark through weak roots

Reviewed-by: rkennke

! src/hotspot/share/gc/shenandoah/shenandoahRootProcessor.hpp
! src/hotspot/share/gc/shenandoah/shenandoahRootProcessor.inline.hpp
! src/hotspot/share/gc/shenandoah/shenandoahRootVerifier.cpp