Name: skT88420 Date: 08/06/99


C:\>javac Bug.java

C:\>java -version
java version "1.2.2"
Classic VM (build JDK-1.2.2-W, native threads, symcjit)

C:\>java Bug
on entry, array=[J@76ba9993
on exit, array=null

C:\>java -fullversion
JAVA.EXE full version "JDK-1.2.2-W"


------------- source follows ---------------

//
// In bug(), 'array' gets set to null by JDK1.2.2 symcjit (ok with nojit).
//
// This is a stripped down version of the actual program;
// the algorithm here is meaningless.
//
public final class Bug
{
  private Bug() { }

  public static void main(String[] argv)
  {
    bug();
  }

  private static long bug()
  {
    final long[] array = new long[3];
    System.out.println("on entry, array="+array);

    long sum = 0L;

    for (int i=0; i<array.length; i+=3)
    {
      long v0 = array[i];
      long v1 = array[i+1];
      long v2 = array[i+2];

      v0 += v2;
      v1 += v2;

      sum = v0 + v1;
    }

    System.out.println("on exit, array="+array);

    return sum;
  }
}
(Review ID: 93600)
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