compiler/jvmci/compilerToVM/ReadUncompressedOopTest.java hit assert in 2016-04-26 RT nightly:
#
# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (/opt/jprt/T/P1/135841.ppunegov/s/hotspot/src/share/vm/runtime/jniHandles.cpp:57), pid=9152, tid=9174
# assert(Universe::heap()->is_in_reserved(obj)) failed: sanity check
#
# JRE version: Java(TM) SE Runtime Environment (9.0) (fastdebug build 9-internal+0-2016-04-26-135841.ppunegov.8155092)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (fastdebug 9-internal+0-2016-04-26-135841.ppunegov.8155092, mixed mode, tiered, jvmci, g1 gc, linux-amd64)
# Core dump will be written. Default location: Core dumps may be processed with "/usr/libexec/abrt-hook-ccpp %s %c %p %u %g %t e" (or dumping to /scratch/home/aurora/sandbox/results/workDir/compiler/jvmci/compilerToVM/ReadUncompressedOopTest/core.9152)
#
# 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: -Dtest.src=/scratch/home/aurora/CommonData/j2se_jdk/hotspot/test/compiler/jvmci/compilerToVM -Dtest.src.path=/scratch/home/aurora/CommonData/j2se_jdk/hotspot/test/compiler/jvmci/compilerToVM:/scratch/home/aurora/CommonData/j2se_jdk/hotspot/test:/scratch/home/aurora/CommonData/j2se_jdk/hotspot/test/testlibrary:/scratch/home/aurora/CommonData/j2se_jdk/test/lib -Dtest.classes=/scratch/home/aurora/sandbox/results/workDir/classes/1/compiler/jvmci/compilerToVM -Dtest.class.path=/scratch/home/aurora/sandbox/results/workDir/classes/1/compiler/jvmci/compilerToVM:/scratch/home/aurora/sandbox/results/workDir/classes/1:/scratch/home/aurora/sandbox/results/workDir/classes/1/testlibrary:/scratch/home/aurora/sandbox/results/workDir/classes/1/test/lib -Dtest.vm.opts= -Dtest.tool.vm.opts= -Dtest.compiler.opts= -Dtest.java.opts=-Xmixed -server -XX:MaxRAMFraction=8 -XX:NativeMemoryTracking=detail -Dtest.jdk=/export/home/aurora/CommonData/TEST_JAVA_HOME -Dcompile.jdk=/export/home/aurora/CommonData/TEST_JAVA_HOME -Dtest.timeout.factor=16.0 -Dtest.modules=jdk.vm.ci/jdk.vm.ci.hotspot -Dtest.nativepath=/export/home/aurora/sandbox/JTREG_NATIVEPATH_LIBRARY_PREPARED -Dtest.patch.path=/scratch/home/aurora/sandbox/results/workDir/classes/1/compiler/jvmci/common/patches -Djdk.launcher.patch.0=/scratch/home/aurora/sandbox/results/workDir/classes/1/compiler/jvmci/common/patches -Djdk.launcher.addexports.0=jdk.vm.ci/jdk.vm.ci.hotspot=ALL-UNNAMED -Xmixed -XX:MaxRAMFraction=8 -XX:NativeMemoryTracking=detail -Djava.library.path=/export/home/aurora/sandbox/JTREG_NATIVEPATH_LIBRARY_PREPARED -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI -XX:-UseCompressedOops com.sun.javatest.regtest.agent.MainWrapper /scratch/home/aurora/sandbox/results/workDir/compiler/jvmci/compilerToVM/ReadUncompressedOopTest.d/main.2.jta

Host: sc11136420, Intel(R) Xeon(R) CPU X5675 @ 3.07GHz, 2 cores, 7G, Oracle Linux Server release 6.6
Time: Tue Apr 26 21:48:55 2016 PDT elapsed time: 1 seconds (0d 0h 0m 1s)

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

Current thread (0x00007fb9b8496800): JavaThread "MainThread" [_thread_in_vm, id=9174, stack(0x00007fb9488d0000,0x00007fb9489d1000)]

Stack: [0x00007fb9488d0000,0x00007fb9489d1000], sp=0x00007fb9489ceaf0, free space=1018k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V [libjvm.so+0x14ac5c2] VMError::report_and_die(int, char const*, char const*, __va_list_tag*, Thread*, unsigned char*, void*, void*, char const*, int, unsigned long)+0x162
V [libjvm.so+0x14ad2df] VMError::report_and_die(Thread*, char const*, int, char const*, char const*, __va_list_tag*)+0x2f
V [libjvm.so+0x9710ed] report_vm_error(char const*, int, char const*, char const*, ...)+0xdd
V [libjvm.so+0xdb04a6] JNIHandles::make_local(Thread*, oop)+0x56
V [libjvm.so+0xe0827d] c2v_readUncompressedOop(JNIEnv_*, _jobject*, long)+0xed
j jdk.vm.ci.hotspot.CompilerToVM.readUncompressedOop(J)Ljava/lang/Object;+0 jdk.vm.ci@9-internal
j jdk.vm.ci.hotspot.CompilerToVMHelper.readUncompressedOop(J)Ljava/lang/Object;+4 jdk.vm.ci@9-internal
j compiler.jvmci.compilerToVM.ReadUncompressedOopTest.runTest()V+29
j compiler.jvmci.compilerToVM.ReadUncompressedOopTest.main([Ljava/lang/String;)V+7
v ~StubRoutines::call_stub
V [libjvm.so+0xca7c1e] JavaCalls::call_helper(JavaValue*, methodHandle const&, JavaCallArguments*, Thread*)+0x88e
V [libjvm.so+0x12a0693] invoke(instanceKlassHandle, methodHandle, Handle, bool, objArrayHandle, BasicType, objArrayHandle, bool, Thread*)+0xbf3
V [libjvm.so+0x12a1596] Reflection::invoke_method(oop, Handle, objArrayHandle, Thread*)+0x246
V [libjvm.so+0xde3f7a] JVM_InvokeMethod+0x1fa
j jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Ljava/lang/reflect/Method;Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;+0 java.base@9-internal
j jdk.internal.reflect.NativeMethodAccessorImpl.invoke(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;+100 java.base@9-internal
j jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;+6 java.base@9-internal
j java.lang.reflect.Method.invoke(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;+42 java.base@9-internal
j com.sun.javatest.regtest.agent.MainWrapper$MainThread.run()V+162
j java.lang.Thread.run()V+11 java.base@9-internal
v ~StubRoutines::call_stub
V [libjvm.so+0xca7c1e] JavaCalls::call_helper(JavaValue*, methodHandle const&, JavaCallArguments*, Thread*)+0x88e
V [libjvm.so+0xca5317] JavaCalls::call_virtual(JavaValue*, KlassHandle, Symbol*, Symbol*, JavaCallArguments*, Thread*)+0x3b7
V [libjvm.so+0xca547f] JavaCalls::call_virtual(JavaValue*, Handle, KlassHandle, Symbol*, Symbol*, Thread*)+0xbf
V [libjvm.so+0xdbe8d0] thread_entry(JavaThread*, Thread*)+0xc0
V [libjvm.so+0x141a9d9] JavaThread::thread_main_inner()+0x1c9
V [libjvm.so+0x141abfb] JavaThread::run()+0x18b
V [libjvm.so+0x118e7c2] java_start(Thread*)+0x112
C [libpthread.so.0+0x7aa1]

Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)
j jdk.vm.ci.hotspot.CompilerToVM.readUncompressedOop(J)Ljava/lang/Object;+0 jdk.vm.ci@9-internal
j jdk.vm.ci.hotspot.CompilerToVMHelper.readUncompressedOop(J)Ljava/lang/Object;+4 jdk.vm.ci@9-internal
j compiler.jvmci.compilerToVM.ReadUncompressedOopTest.runTest()V+29
j compiler.jvmci.compilerToVM.ReadUncompressedOopTest.main([Ljava/lang/String;)V+7
v ~StubRoutines::call_stub
j jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Ljava/lang/reflect/Method;Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;+0 java.base@9-internal
j jdk.internal.reflect.NativeMethodAccessorImpl.invoke(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;+100 java.base@9-internal
j jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;+6 java.base@9-internal
j java.lang.reflect.Method.invoke(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;+42 java.base@9-internal
j com.sun.javatest.regtest.agent.MainWrapper$MainThread.run()V+162
j java.lang.Thread.run()V+11 java.base@9-internal
v ~StubRoutines::call_stub

--------------- P R O C E S S ---------------

Java Threads: ( => current thread )
=>0x00007fb9b8496800 JavaThread "MainThread" [_thread_in_vm, id=9174, stack(0x00007fb9488d0000,0x00007fb9489d1000)]
...

hs_err_pid9152.log is attached.

VM Options: -server -Xmixed -XX:MaxRAMFraction=8 -XX:NativeMemoryTracking=detail