git: openjdk/loom: fibers: Assertion message for '_preempt || _thread == Thread::current()' added.

[duke]

Changeset: 45d7395f
Author:    lmesnik <leonid.mesnik at oracle.com>
Date:      2020-08-26 11:05:57 +0000
URL:       https://git.openjdk.java.net/loom/commit/45d7395f

Assertion message for '_preempt || _thread == Thread::current()' added.

! src/hotspot/share/runtime/continuation.cpp