G1: SIGSEGV in JVM_ArrayCopy

Application crashes after 20 hours (-server -XX:+UseCompressedOops -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:+UseCodeCacheFlushing):

# A fatal error has been detected by the Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0x00007f3cf9df2989, pid=23733, tid=139899030206800
#
# JRE version: 7.0-b126
# Java VM: Java HotSpot(TM) 64-Bit Server VM (20.0-b06 mixed mode linux-amd64 compressed oops)
# Problematic frame:
# V [libjvm.so+0x52f989] JVM_ArrayCopy+0xc9

Stack: [0x00007f3cc7eff000,0x00007f3cc8000000], sp=0x00007f3cc7ffe420, free space=1021k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V [libjvm.so+0x52f989] JVM_ArrayCopy+0xc9;; JVM_ArrayCopy+0xc9
J java.lang.System.arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V
j java.util.concurrent.CopyOnWriteArrayList.toArray([Ljava/lang/Object;)[Ljava/lang/Object;+32
j java.util.logging.Logger.getHandlers()[Ljava/util/logging/Handler;+7
j java.util.logging.Logger.log(Ljava/util/logging/LogRecord;)V+52
j java.util.logging.Logger.doLog(Ljava/util/logging/LogRecord;)V+33
j java.util.logging.Logger.log(Ljava/util/logging/Level;Ljava/lang/String;)V+34
j java.util.logging.Logger.info(Ljava/lang/String;)V+19
j spec.jbb.Company.displayResultTotals(Z)V+629
j spec.jbb.JBBmain.DoARun(Lspec/jbb/Company;SII)V+223
j spec.jbb.JBBmain.runWarehouse(IIF)Z+87
j spec.jbb.JBBmain.doIt()V+238

Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)
J java.lang.System.arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V
j java.util.concurrent.CopyOnWriteArrayList.toArray([Ljava/lang/Object;)[Ljava/lang/Object;+32
j java.util.logging.Logger.getHandlers()[Ljava/util/logging/Handler;+7
j java.util.logging.Logger.log(Ljava/util/logging/LogRecord;)V+52
j java.util.logging.Logger.doLog(Ljava/util/logging/LogRecord;)V+33
j java.util.logging.Logger.log(Ljava/util/logging/Level;Ljava/lang/String;)V+34
j java.util.logging.Logger.info(Ljava/lang/String;)V+19
j spec.jbb.Company.displayResultTotals(Z)V+629
j spec.jbb.JBBmain.DoARun(Lspec/jbb/Company;SII)V+223
j spec.jbb.JBBmain.runWarehouse(IIF)Z+87
j spec.jbb.JBBmain.doIt()V+238
J spec.jbb.JBBmain.main([Ljava/lang/String;)V
j sun.reflect.GeneratedMethodAccessor33.invoke(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;+24
J java.lang.reflect.Method.invoke(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;
j jrockit.qa.stress.kitchensink.process.stress.modules.SpecJbb2005StressModule.execute()V+95
j jrockit.qa.stress.kitchensink.process.stress.modules.StressModule.run()V+128
v ~StubRoutines::call_stub