git: openjdk/jdk: 8256040: Shenandoah: Allow NULL referent in ShenandoahReferenceProcessor::should_discover()

[Roman Kennke]

Changeset: a38dd534
Author:    Roman Kennke <rkennke at openjdk.org>
Date:      2020-11-10 06:56:58 +0000
URL:       https://github.com/openjdk/jdk/commit/a38dd534

8256040: Shenandoah: Allow NULL referent in ShenandoahReferenceProcessor::should_discover()

Reviewed-by: shade

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