private void emitDynamicLinkingSequence(byte reg, VM_Field fieldRef) { emitDynamicLinkingSequence(reg, fieldRef.getDictionaryId(),
private void emitDynamicLinkingSequence(byte reg, VM_Field fieldRef, boolean couldBeZero) { emitDynamicLinkingSequence(reg, fieldRef.getDictionaryId(), couldBeZero,
  private void emitDynamicLinkingSequence(byte reg, VM_Field fieldRef) {    emitDynamicLinkingSequence(reg, fieldRef.getDictionaryId(), 			       VM_Entrypoints.fieldOffsetsField.getOffset(),			       VM_Entrypoints.resolveFieldMethod.getOffset());  }