Crash in OopStorage::Block::release_entries

tools/javac/file/MultiReleaseJar/MultiReleaseJarTest.java fails with

# JRE version: Java(TM) SE Runtime Environment (18.0+20) (build 18-ea+20-1231)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (18-ea+20-1231, mixed mode, sharing, tiered, compressed oops, compressed class ptrs, g1 gc, bsd-amd64)
# Problematic frame:
# V [libjvm.dylib+0x8471f7] OopStorage::Block::release_entries(unsigned long, OopStorage*)+0x37
#

Current thread (0x00007fe8d84217d0): VMThread "VM Thread" [stack: 0x0000700007743000,0x0000700007843000] [id=17667]

Stack: [0x0000700007743000,0x0000700007843000], sp=0x0000700007842670, free space=1021k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V [libjvm.dylib+0x8471f7] OopStorage::Block::release_entries(unsigned long, OopStorage*)+0x37
V [libjvm.dylib+0x847fae] OopStorage::release(oopDesc* const*)+0x12e
V [libjvm.dylib+0x2c2310] ClassLoaderData::~ClassLoaderData()+0xa0
V [libjvm.dylib+0x2c494c] ClassLoaderDataGraph::purge(bool)+0x3c
V [libjvm.dylib+0x3f2bcd] G1ConcurrentMark::remark()+0x58d
V [libjvm.dylib+0x4461d3] VM_G1Concurrent::doit()+0x173
V [libjvm.dylib+0xa26b86] VM_Operation::evaluate()+0xd6
V [libjvm.dylib+0xa2bc64] VMThread::evaluate_operation(VM_Operation*)+0xc4
V [libjvm.dylib+0xa2c591] VMThread::inner_execute(VM_Operation*)+0x2a1
V [libjvm.dylib+0xa2b96a] VMThread::run()+0xca
V [libjvm.dylib+0x9ac21f] Thread::call_run()+0xcf
V [libjvm.dylib+0x84e9f8] thread_native_entry(Thread*)+0x148
C [libsystem_pthread.dylib+0x68fc] _pthread_start+0xe0
C [libsystem_pthread.dylib+0x2443] thread_start+0xf


siginfo: si_signo: 11 (SIGSEGV), si_code: 1 (SEGV_MAPERR), si_addr: 0x0000000000000238