git: openjdk/loom: fibers: 3 new changesets

[duke]

Changeset: 97ede414
Author:    Alan Bateman <alan.bateman at oracle.com>
Date:      2020-06-04 07:06:10 +0000
URL:       https://git.openjdk.java.net/loom/commit/97ede414

Make contRunYield a more useful baseline

! test/micro/org/openjdk/bench/loom/ContVsThread.java

Changeset: 31518a1b
Author:    Alan Bateman <alan.bateman at oracle.com>
Date:      2020-06-04 07:06:21 +0000
URL:       https://git.openjdk.java.net/loom/commit/31518a1b

Cleanup

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

Changeset: 76adbcf0
Author:    Alan Bateman <alan.bateman at oracle.com>
Date:      2020-06-04 08:22:10 +0000
URL:       https://git.openjdk.java.net/loom/commit/76adbcf0

Avoid signal when terminaing if no waiters

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