Application client crashes with 

# A fatal error has been detected by the Java Runtime Environment:
#
#  SIGSEGV (0xb) at pc=0xffffffff7e463aa8, pid=15413, tid=53
#
# JRE version: 7.0-b147
# Java VM: Java HotSpot(TM) 64-Bit Server VM (21.0-b17 mixed mode solaris-sparc compressed oops)
# Problematic frame:
# V  [libjvm.so+0x863aa8]  void PhaseIdealLoop::build_loop_late_post(Node*)+0x510

Stack: [0xfffffff967400000,0xfffffff967500000],  sp=0xfffffff9674f9bd0,  free space=998k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V  [libjvm.so+0x863aa8]  void PhaseIdealLoop::build_loop_late_post(Node*)+0x510
V  [libjvm.so+0x860e7c]  void PhaseIdealLoop::build_and_optimize(bool)+0xdfc
V  [libjvm.so+0x2522f4]  void Compile::Optimize()+0x5c4
V  [libjvm.so+0x501d20]  Compile::Compile(ciEnv*,C2Compiler*,ciMethod*,int,bool,bool)+0x11c8
V  [libjvm.so+0x24c054]  void C2Compiler::compile_method(ciEnv*,ciMethod*,int)+0xac
V  [libjvm.so+0x24d324]  void CompileBroker::invoke_compiler_on_method(CompileTask*)+0xd8c
V  [libjvm.so+0x2cacd0]  void CompileBroker::compiler_thread_loop()+0x928
V  [libjvm.so+0xa2b550]  void JavaThread::thread_main_inner()+0x40
V  [libjvm.so+0x9285ac]  java_start+0x2b4


Current CompileTask:
C2:  11447    2 % !         atg.core.net.URLHammerThread::run @ 1706 (2785 bytes)