The test crashed the VM on Windows-amd64 in promotion testing of JDK8 b127, test history also show crash with b129.

The test also crashed on Linux-ia32, failure was matched by bug JDK-6982741

From hs_err:

#
# A fatal error has been detected by the Java Runtime Environment:
#
# EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x0000000053abb096, pid=12160, tid=11932
#
# JRE version: Java(TM) SE Runtime Environment (8.0-b127) (build 1.8.0-b127)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (25.0-b69 mixed mode windows-amd64 compressed oops)
# Problematic frame:
# V [jvm.dll+0x12b096] jni_IsInstanceOf+0xe6
#
# Failed to write core dump. Minidumps are not enabled by default on client versions of Windows
#
# If you would like to submit a bug report, please visit:
# http://bugreport.sun.com/bugreport/crash.jsp
#

Entire hs_err file is attached, there is a flight recording and other goodies in the result directory

Priority justification:
Impact: High, VM crash
Likelihood: Low, intermittent, single platform
Workaround: High, no workaround known
ILW = HLH => P2

Matching rule:
RULE nsk/jdi/ThreadReference/forceEarlyReturn/forceEarlyReturn010 Crash EXCEPTION_ACCESS_VIOLATION