This test case came from escalation 1-728488 and was seen with 1.4.2. It is similar to bug 4614956 which was a crash caused by the interpreter. This bug is -server only. Run the attached test case with java -server -XX:+ShowMessageBoxOnError -Xrunmyprofiler LargeHeapTest 100000 and hit <return> whenever the program stops. It should segv. quickly.