hs_err and replay file may contain garbage when overwriting existing file

Test: compiler/ciReplay/TestServerVM.java

(test code:)
    public void positiveTest(String... additionalVmOpts) {
        Asserts.assertEQ(startTest(additionalVmOpts), 0, "Unexpected exit code for positive case: "
                + Arrays.toString(additionalVmOpts));
    }


java.lang.RuntimeException: Unexpected exit code for positive case: [-XX:TieredStopAtLevel=3]: expected 1 to equal 0
at jdk.test.lib.Asserts.fail(Asserts.java:594)
at jdk.test.lib.Asserts.assertEquals(Asserts.java:205)
at jdk.test.lib.Asserts.assertEQ(Asserts.java:178)
at compiler.ciReplay.CiReplayBase.positiveTest(CiReplayBase.java:233)
at compiler.ciReplay.VMBase.testAction(VMBase.java:52)
at compiler.ciReplay.CiReplayBase.runTest(CiReplayBase.java:104)
at compiler.ciReplay.VMBase.main(VMBase.java:33)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:567)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:127)
at java.base/java.lang.Thread.run(Thread.java:830)