A test with an invalid constant value index in the jcod/jasm is expected produce the exact behavior in the transformed class it produces, so that the JVM can be tested to catch this error and throw a ClassFormatError. But jdis fixes this and hence loading succeeds.

  [] { // Fields
    { // field
      0x0018; // access
      #17; // name_index
      #11; // descriptor_index
      [] { // Attributes
        Attr(#9) { // ConstantValue
          #20;
        } // end of ConstantValue