git: openjdk/jdk: 8265759: Shenandoah: Avoid race for referent in assert

[Roman Kennke]

Changeset: 191f1fc4
Author:    Roman Kennke <rkennke at openjdk.org>
Date:      2021-04-23 08:01:36 +0000
URL:       https://git.openjdk.java.net/jdk/commit/191f1fc4

8265759: Shenandoah: Avoid race for referent in assert

Reviewed-by: shade, zgu

! src/hotspot/share/gc/shenandoah/shenandoahReferenceProcessor.cpp