[Graal] crash in Klass::layout_helper()

java/lang/StackWalker/LocalsAndOperands.java#id0 executed in Graal as JIT mode crashed on macos with

# A fatal error has been detected by the Java Runtime Environment:
#
# SIGBUS (0xa) at pc=0x000000011235e954, pid=22499, tid=27395
#
# JRE version: Java(TM) SE Runtime Environment (15.0) (fastdebug build 15-internal+0-2020-02-18-2131059.ekaterina.pavlova.jdk.jdk)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (fastdebug 15-internal+0-2020-02-18-2131059.ekaterina.pavlova.jdk.jdk, compiled mode, sharing, tiered, jvmci, jvmci compiler, compressed oops, g1 gc, bsd-amd64)
# Problematic frame:
# V [libjvm.dylib+0xaf4954] Klass::layout_helper() const+0x4




--------------- T H R E A D ---------------

Current thread (0x00007f9822268800): GCTaskThread "GC Thread#11" [stack: 0x0000700004a3a000,0x0000700004b3a000] [id=27395]

Stack: [0x0000700004a3a000,0x0000700004b3a000], sp=0x0000700004b39980, free space=1022k
Native frames: (J=compiled Java code, A=aot compiled Java code, j=interpreted, Vv=VM code, C=native code)
V [libjvm.dylib+0xaf4954] Klass::layout_helper() const+0x4
V [libjvm.dylib+0xaf473f] oopDesc::size_given_klass(Klass*)+0x1f
V [libjvm.dylib+0x457390] G1ParScanThreadState::copy_to_survivor_space(G1HeapRegionAttr, oop, markWord)+0xbc
V [libjvm.dylib+0x4546f9] void G1ParScanThreadState::do_oop_evac<unsigned int>(unsigned int*)+0x1d1
V [libjvm.dylib+0x456e4e] G1ParScanThreadState::trim_queue_to_threshold(unsigned int)+0x236
V [libjvm.dylib+0x456bf0] G1ParScanThreadState::trim_queue()+0x1a
V [libjvm.dylib+0x40118c] G1ParEvacuateFollowersClosure::do_void()+0x38
V [libjvm.dylib+0x4083a0] G1EvacuateRegionsBaseTask::evacuate_live_objects(G1ParScanThreadState*, unsigned int, G1GCPhaseTimes::GCParPhases, G1GCPhaseTimes::GCParPhases)+0x86
V [libjvm.dylib+0x4081db] G1EvacuateRegionsBaseTask::work(unsigned int)+0xaf
V [libjvm.dylib+0xba3136] GangWorker::run_task(WorkData)+0x60
V [libjvm.dylib+0xba31df] GangWorker::loop()+0x25
V [libjvm.dylib+0xabb881] Thread::call_run()+0x11b
V [libjvm.dylib+0x93523c] thread_native_entry(Thread*)+0xe0
C [libsystem_pthread.dylib+0x3661] _pthread_body+0x154
C [libsystem_pthread.dylib+0x350d] _pthread_body+0x0
C [libsystem_pthread.dylib+0x2bf9] thread_start+0xd


Flags use to run the test are:
 XX:+CreateCoredumpOnCrash -ea -esa -server -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI -XX:+UseJVMCICompiler -Djvmci.Compiler=graal -XX:+TieredCompilation



Perhaps this is G1 related crash rather compiler one.