This is intermittent vm crash, observed in JDK9/b83 same binaries run on solaris-amd64.

#
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0xffff80ffb2095008, pid=21847, tid=68
#
# JRE version: Java(TM) SE Runtime Environment (9.0-b83) (build 1.9.0-ea-b83)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (1.9.0-ea-b83, mixed mode, tiered, compressed oops, g1 gc, solaris-amd64)
# Problematic frame:
# V [libjvm.so+0xc95008] void ciObjectFactory::ensure_metadata_alive(ciMetadata*)+0x18
#
# Core dump will be written. Default location: /scratch/export/home/aurora/sandbox_keepme/results/run_414/testoutput/tier1/JTwork/scratch/3/core or core.21847
#
# If you would like to submit a bug report, please visit:
# http://bugreport.java.com/bugreport/crash.jsp
#

--------------- S U M M A R Y ------------

Command Line: -ea -esa -Xmx512m -Djava.security.policy=file:/scratch/export/home/aurora/sandbox_keepme/results/run_414/testoutput/tier1/JTwork/jtreg.policy com.sun.javatest.regtest.agent.AgentServer -allowSetSecurityManager -port 39076

Host: x86 64 bit 2893 MHz, 32 cores, 255G, Oracle Solaris 11.2 X86
Time: Wed Oct 7 06:44:11 2015 PDT elapsed time: 90 seconds (0d 0h 1m 30s)