git: openjdk/loom: fibers: 3 new changesets

[duke]

Changeset: efafb2cc
Author:    Alan Bateman <alan.bateman at oracle.com>
Date:      2020-08-04 19:22:20 +0000
URL:       https://git.openjdk.java.net/loom/commit/efafb2cc

allowThreadSuspension can be no-op

! src/java.base/share/classes/java/lang/ThreadGroup.java

Changeset: e568bc26
Author:    Alan Bateman <alan.bateman at oracle.com>
Date:      2020-08-05 09:11:16 +0000
URL:       https://git.openjdk.java.net/loom/commit/e568bc26

More tweaking of legacy ThreadGroup spec

! src/java.base/share/classes/java/lang/ThreadGroup.java
! test/jdk/java/lang/ThreadGroup/BasicTests.java

Changeset: 6badcb86
Author:    Alan Bateman <alan.bateman at oracle.com>
Date:      2020-08-06 09:01:40 +0000
URL:       https://git.openjdk.java.net/loom/commit/6badcb86

JVMTI tests for thread groups working again

! test/hotspot/jtreg/ProblemList.txt
! test/hotspot/jtreg/vmTestbase/nsk/jvmti/GetThreadGroupInfo/thrgrpinfo001/thrgrpinfo001.cpp