several JCK tests hit SEGV in the run w/ java.base AOT'ed

# A fatal error has been detected by the Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0x00007fe976f0e670, pid=11080, tid=11449
#
# JRE version: Java(TM) SE Runtime Environment (12.0) (fastdebug build 12-internal+0-jdk12-jdk.1050)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (fastdebug 12-internal+0-jdk12-jdk.1050, mixed mode, aot, sharing, tiered, compressed oops, g1 gc, linux-amd64)
# Problematic frame:
# V [libjvm.so+0x93d670] ClassLoaderData::is_alive() const+0x0
#
# Core dump will be written. Default location: /scratch/opt/mach5/mesos/work_dir/slaves/2dd962d0-8988-479b-a804-57ab764ada59-S1294/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/ee8fd0f4-18ca-4708-8b49-3b0d436b136c/runs/da2a28c9-d7e4-4d99-8cda-2cefa2b51ec7/testOutput/test-support/jck_runtime_api_java_util/core.11080
#
# An error report file with more information is saved as:
# /scratch/opt/mach5/mesos/work_dir/slaves/2dd962d0-8988-479b-a804-57ab764ada59-S1294/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/ee8fd0f4-18ca-4708-8b49-3b0d436b136c/runs/da2a28c9-d7e4-4d99-8cda-2cefa2b51ec7/testOutput/test-support/jck_runtime_api_java_util/hs_err_pid11080.log
#
# If you would like to submit a bug report, please visit:
# http://bugreport.java.com/bugreport/crash.jsp
#