git: openjdk/loom: fibers: 2 new changesets

[duke]

Changeset: 4b2e9899
Author:    Alan Bateman <alan.bateman at oracle.com>
Date:      2022-03-21 12:50:22 +0000
URL:       https://git.openjdk.java.net/loom/commit/4b2e9899aaf9bbc76c39fb2ff9caaaa180dae8db

Virtual threads not supported if target VM is older release

! src/jdk.jdi/share/classes/com/sun/tools/jdi/EventRequestManagerImpl.java
! src/jdk.jdi/share/classes/com/sun/tools/jdi/ThreadReferenceImpl.java
! src/jdk.jdi/share/classes/com/sun/tools/jdi/VirtualMachineImpl.java

Changeset: 052776ec
Author:    Alan Bateman <alan.bateman at oracle.com>
Date:      2022-03-21 18:02:58 +0000
URL:       https://git.openjdk.java.net/loom/commit/052776ecf5e46058da48163f91be61794e4f2d65

Change default thread name to empty string

! src/hotspot/share/jfr/recorder/checkpoint/types/jfrThreadState.cpp
! src/java.base/share/classes/java/lang/Thread.java
! src/java.base/share/classes/java/lang/VirtualThread.java
! test/jdk/java/lang/Thread/BuilderTest.java
! test/jdk/java/lang/Thread/virtual/ThreadAPI.java