git: openjdk/loom: Added tag jdk-15+1 for changeset 74882b0d

[duke]

Tagged by: Jesper Wilhelmsson <jwilhelm at openjdk.org>
Date:      2019-12-13 02:49:52 +0000

Added tag jdk-15+1 for changeset 63e17cf29bed
Changeset: 74882b0d
Author:    Joe Darcy <darcy at openjdk.org>
Date:      2019-12-12 11:31:05 +0000
URL:       https://git.openjdk.java.net/loom/commit/74882b0d

The following commits are included in jdk-15+1
========================================================
e4c332cd: Added tag jdk-15+0 for changeset 2c724dba4c3c
8a54d97a: 8234974: Shenandoah: Do concurrent roots even when no evacuation is necessary
890826bf: 8225361: Start of release updates for JDK 15
74882b0d: 8235514: Update record serialization tests to not use hard coded source versions