hg: shenandoah/jdk8/hotspot: Fix lock ordering issue when calling JVMTI GetLoadedClasses during marking

[rkennke at redhat.com]

Changeset: e90e85d7d6bf
Author:    rkennke
Date:      2019-11-14 22:35 +0100
URL:       https://hg.openjdk.java.net/shenandoah/jdk8/hotspot/rev/e90e85d7d6bf

Fix lock ordering issue when calling JVMTI GetLoadedClasses during marking

! src/share/vm/prims/jvmtiGetLoadedClasses.cpp
! test/TEST.groups
+ test/gc/shenandoah/jvmti/TestGetLoadedClasses.java
+ test/gc/shenandoah/jvmti/TestGetLoadedClasses.sh
+ test/gc/shenandoah/jvmti/libTestGetLoadedClasses.c