assert(!is_null(v)) failed: narrow klass value can never be zero

# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (/System/Volumes/Data/mesos/work_dir/slaves/4076d11c-c6ed-4d07-84c1-4ab8d55cd975-S242131/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/2b7db768-6f1c-468a-aa1a-4f2fae5c85c7/runs/31b65cc9-fef8-4f9e-8252-c0054dcb8efa/workspace/open/src/hotspot/share/oops/compressedOops.inline.hpp:84), pid=8296, tid=11779
# assert(!is_null(v)) failed: narrow klass value can never be zero
#
# JRE version: Java(TM) SE Runtime Environment (16.0) (fastdebug build 16-internal+0-2020-09-24-1516275.gerard.ziemski.jdk)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (fastdebug 16-internal+0-2020-09-24-1516275.gerard.ziemski.jdk, mixed mode, sharing, tiered, compressed oops, g1 gc, bsd-amd64)
# Core dump will be written. Default location: core.8296
#
# An error report file with more information is saved as:
# /scratch/mesos/slaves/4076d11c-c6ed-4d07-84c1-4ab8d55cd975-S146820/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/7ffde87a-e831-4bdf-a45b-1f8f60e04a79/runs/7ef5eb9e-4479-4ec4-b162-e08606b465ee/testoutput/test-support/jtreg_open_test_hotspot_jtreg_vmTestbase_nsk_sysdict/scratch/0/hs_err_pid8296.log