The following test case results in different results when running in -Xcomp and -Xint or -Xmixed modes.

> java -server -Xint Tester
Got java.lang.NegativeArraySizeException
Tester.var_bad = 2 (expected 2)

> java -server -Xmixed Tester
Got java.lang.NegativeArraySizeException
Tester.var_bad = 2 (expected 2)

> java -server -Xcomp -XX:CompileOnly=Tester Tester
Got java.lang.NegativeArraySizeException
Tester.var_bad = 1 (expected 2)

=== Tester.java ===

public class Tester {
   static int var_bad = 1;

   public static void main(String[] args)
   {
      var_bad++;

      try {
         for (int i = 0; i < 10; i++) (new byte[((byte)-1 << i)])[0] = 0;
      }
      catch (Exception e) { System.out.println("Got " + e); }

      System.out.println("Tester.var_bad = " + var_bad + " (expected 2)\n");
   }
}

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The problem is server compiler specific (32 and 64 bit).