hg: shenandoah/jdk8/hotspot: Shenandoah: Process weak roots during class unloading cycle

[zgu at redhat.com]

Changeset: 245830973eba
Author:    zgu
Date:      2021-04-23 11:02 -0400
URL:       https://hg.openjdk.java.net/shenandoah/jdk8/hotspot/rev/245830973eba

Shenandoah: Process weak roots during class unloading cycle
Reviewed-by: rkennke

! src/share/vm/gc_implementation/shenandoah/shenandoahConcurrentMark.cpp
! src/share/vm/gc_implementation/shenandoah/shenandoahParallelCleaning.hpp