[TESTBUG] java/lang/annotation/loaderLeak/Main.java fails with -Xcomp

## Symptom
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Exception in thread "main" java.lang.AssertionError
        at Main.doTest(Main.java:56)
        at Main.main(Main.java:41)
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## Reproduce
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make test TEST="java/lang/annotation/loaderLeak/Main.java" CONF=release JTREG="VM_OPTIONS=-Xcomp"
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