The hs_err head is:
#
# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (/tmp/jprt/T1/174334.amurillo/s/hotspot/src/share/vm/opto/node.hpp:358), pid=14319, tid=20
# assert(i < _max) failed: oob: i=0, _max=0
#
# JRE version: Java(TM) SE Runtime Environment (8.0_60) (build 1.8.0_60-internal-fastdebug-20150327174334.amurillo.hs25-60-b09-snap-b00)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (25.60-b09-fastdebug compiled mode solaris-sparc compressed oops)
# Core dump written. Default location: /scratch/local/aurora/sandbox/results/workDir/closed/gc/resource/TestAccuracyLevel/core or core.14319
#
# If you would like to submit a bug report, please visit:
# http://bugreport.java.com/bugreport/crash.jsp
#

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

Current thread (0x00000001004e1800): JavaThread "C2 CompilerThread1" daemon [_thread_in_native, id=20, stack(0xffffffff65900000,0xffffffff65a00000)]

Stack: [0xffffffff65900000,0xffffffff65a00000], sp=0xffffffff659f62a0, free space=984k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V [libjvm.so+0x1308790] void VMError::report_and_die()+0x708
V [libjvm.so+0x76d9f8] void report_vm_error(const char*,int,const char*,const char*)+0x78
V [libjvm.so+0x2c96ec] Node*Node::in(unsigned)const+0x5c
V [libjvm.so+0xf1f0c8] bool ProjNode::is_CFG()const+0x10
V [libjvm.so+0x7f580c] int NTarjan::DFS(NTarjan*,VectorSet&,PhaseIdealLoop*,unsigned*)+0x334
V [libjvm.so+0x7f4ac0] void PhaseIdealLoop::Dominators()+0x1a8
V [libjvm.so+0xde53f8] void PhaseIdealLoop::build_and_optimize(bool,bool)+0x5d0
V [libjvm.so+0x6c5e28] void Compile::Optimize()+0xd28
V [libjvm.so+0x6beee8] Compile::Compile(ciEnv*,C2Compiler*,ciMethod*,int,bool,bool,bool)+0x1428
V [libjvm.so+0x565fcc] void C2Compiler::compile_method(ciEnv*,ciMethod*,int)+0x10c
V [libjvm.so+0x6dc998] void CompileBroker::invoke_compiler_on_method(CompileTask*)+0x590
V [libjvm.so+0x6dbdf8] void CompileBroker::compiler_thread_loop()+0x460
V [libjvm.so+0x1249670] void JavaThread::thread_main_inner()+0x268
V [libjvm.so+0x1249394] void JavaThread::run()+0x3f4
V [libjvm.so+0xfb2080] java_start+0x258
C [libc.so.1+0xe25bc] _lwp_start+0x8


Current CompileTask:
C2: 48551 3464 !b 4 java.lang.ref.ReferenceQueue::enqueue (119 bytes)