git: openjdk/loom: fibers: categorical thread identifier initialization

[duke]

Changeset: d82da6bb
Author:    mgronlun <markus.gronlund at oracle.com>
Date:      2020-03-01 10:07:09 +0000
URL:       https://git.openjdk.java.net/loom/commit/d82da6bb

categorical thread identifier initialization

! src/hotspot/share/jfr/recorder/checkpoint/jfrCheckpointManager.cpp
! src/hotspot/share/jfr/recorder/checkpoint/types/traceid/jfrTraceId.hpp
! src/hotspot/share/jfr/recorder/jfrRecorder.cpp