VM_Class cls = new VM_Class(descriptor, typeId);
VM_Class cls = new VM_Class(descriptor, typeId, classloader);
  static int findOrCreateTypeId(VM_Atom descriptor) {    int     typeId = VM_TypeDictionary.findOrCreateId(descriptor, null);    VM_Type type   = VM_TypeDictionary.getValue(typeId);    if (type != null)      return typeId;    if (descriptor.isArrayDescriptor()) { // new array type      VM_Array ary = new VM_Array(descriptor, typeId);      VM_TypeDictionary.setValue(typeId, ary);      return typeId;    } else {       // new class type      VM_Class cls = new VM_Class(descriptor, typeId);      VM_TypeDictionary.setValue(typeId, cls);      return typeId;    }  }