Current thread (0x00007fb9aa80d800): JavaThread "C2 CompilerThread1" daemon [_thread_in_native, id=40963, stack(0x0000700003341000,0x0000700003441000)]


Current CompileTask:
C2: 358270 12257 4 com.sun.javatest.lib.FXProcessCommand::replaceSeparators (234 bytes)

Stack: [0x0000700003341000,0x0000700003441000], sp=0x000070000343d7a0, free space=1009k
Native frames: (J=compiled Java code, A=aot compiled Java code, j=interpreted, Vv=VM code, C=native code)
V [libjvm.dylib+0x52e1cf] Node::add_out(Node*)+0x6f
V [libjvm.dylib+0x5cb44a] Matcher::find_shared(Node*)+0x3b2
V [libjvm.dylib+0x5ca3cc] Matcher::match()+0x49c
V [libjvm.dylib+0x2551ab] Compile::Code_Gen()+0xad
V [libjvm.dylib+0x253566] Compile::Compile(ciEnv*, C2Compiler*, ciMethod*, int, bool, bool, bool, DirectiveSet*)+0x960
V [libjvm.dylib+0x2555db] Compile::Compile(ciEnv*, C2Compiler*, ciMethod*, int, bool, bool, bool, DirectiveSet*)+0x31
V [libjvm.dylib+0x1d1bf4] C2Compiler::compile_method(ciEnv*, ciMethod*, int, DirectiveSet*)+0xd2
V [libjvm.dylib+0x25f09d] CompileBroker::invoke_compiler_on_method(CompileTask*)+0x557
V [libjvm.dylib+0x25e933] CompileBroker::compiler_thread_loop()+0x1c7
V [libjvm.dylib+0x74550c] JavaThread::thread_main_inner()+0x86
V [libjvm.dylib+0x6327ef] thread_native_entry(Thread*)+0x12b
C [libsystem_pthread.dylib+0x36c1] _pthread_body+0x154
C [libsystem_pthread.dylib+0x356d] _pthread_body+0x0
C [libsystem_pthread.dylib+0x2c5d] thread_start+0xd
C 0x0000000000000000

I was using the javatest harness to execute the javafxMedia test suite when the test harness crashed randomly a few times.
I do not have a reproducible test but the test suite execution at various point caused this crash.