git: openjdk/loom: fibers: 2 new changesets

[duke]

Changeset: 0d00d49b
Author:    Chris Plummer <chris.plummer at oracle.com>
Date:      2020-12-04 22:13:14 +0000
URL:       https://git.openjdk.java.net/loom/commit/0d00d49b

Add test cases for reproducing issues while debugging in Configuration.run() and also lack of NotitfyFramePop and MethodExit events for vthreads.

! test/hotspot/jtreg/serviceability/jvmti/vthread/DoContinueSingleStepTest/libDoContinueSingleStepTest.cpp

Changeset: aa899395
Author:    Chris Plummer <chris.plummer at oracle.com>
Date:      2020-12-04 22:19:48 +0000
URL:       https://git.openjdk.java.net/loom/commit/aa899395

Merge branch 'fibers' of https://github.com/openjdk/loom into fibers
Merge