git: openjdk/loom: fibers: 4 new changesets

[duke]

Changeset: 3eaeda26
Author:    Alan Bateman <alan.bateman at oracle.com>
Date:      2020-09-22 17:22:54 +0000
URL:       https://git.openjdk.java.net/loom/commit/3eaeda26

Cleanup

! src/java.base/share/classes/java/io/PrintWriter.java

Changeset: 7b419251
Author:    Alan Bateman <alan.bateman at oracle.com>
Date:      2020-09-23 11:50:49 +0000
URL:       https://git.openjdk.java.net/loom/commit/7b419251

Skip copy of empty ITL map into child

! src/java.base/share/classes/java/lang/Thread.java
! src/java.base/share/classes/java/lang/ThreadLocal.java

Changeset: 617ea1d8
Author:    Alan Bateman <alan.bateman at oracle.com>
Date:      2020-09-23 19:21:24 +0000
URL:       https://git.openjdk.java.net/loom/commit/617ea1d8

Expand testing of ThreadMXBean

! test/jdk/java/lang/Thread/virtual/Monitoring.java

Changeset: 4777af88
Author:    Alan Bateman <alan.bateman at oracle.com>
Date:      2020-09-24 08:52:54 +0000
URL:       https://git.openjdk.java.net/loom/commit/4777af88

Exercise getLockedMonitors

! test/jdk/java/lang/Thread/virtual/Monitoring.java