Current thread (0x00007f35d8096470):  JavaThread "C2 CompilerThread0" daemon [_thread_in_native, id=18119, stack(0x00007f35917fc000,0x00007f35918fd000)]


Current CompileTask:
C2:3925890 387175 %     4       org.jruby.lexer.LexingCommon::parser_magic_comment @ 408 (585 bytes)

Stack: [0x00007f35917fc000,0x00007f35918fd000],  sp=0x00007f35918f7e30,  free space=1007k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V  [libjvm.so+0xaa2bbb]  PhaseIdealLoop::build_loop_late_post_work(Node*, bool)+0x13b
V  [libjvm.so+0xaa3240]  PhaseIdealLoop::build_loop_late(VectorSet&, Node_List&, Node_Stack&)+0x180
V  [libjvm.so+0xaa3bae]  PhaseIdealLoop::build_and_optimize(LoopOptsMode)+0x79e
V  [libjvm.so+0x5a380e]  PhaseIdealLoop::optimize(PhaseIterGVN&, LoopOptsMode)+0x16e
V  [libjvm.so+0x5a1598]  Compile::Optimize()+0xc68
V  [libjvm.so+0x5a3080]  Compile::Compile(ciEnv*, ciMethod*, int, bool, bool, bool, bool, bool, DirectiveSet*)+0xe40
V  [libjvm.so+0x4e70a9]  C2Compiler::compile_method(ciEnv*, ciMethod*, int, bool, DirectiveSet*)+0xe9
V  [libjvm.so+0x5abea1]  CompileBroker::invoke_compiler_on_method(CompileTask*)+0xd81
V  [libjvm.so+0x5aca38]  CompileBroker::compiler_thread_loop()+0x4b8
V  [libjvm.so+0xd8e670]  JavaThread::thread_main_inner()+0xd0
V  [libjvm.so+0xd91cfe]  Thread::call_run()+0xde
V  [libjvm.so+0xbe8011]  thread_native_entry(Thread*)+0xe1