message: Add callee_class nullptr check
diff: @@ -172,7 +172,7 @@ void try_desuperify(const DexMethod* caller,
  }
  // Skip if the callee is an interface default method (037).
  auto callee_cls = type_class(insn->get_method()->get_class());
  - if (is_interface(callee_cls)) {
  + if (!callee_cls || is_interface(callee_cls)) {
  return;
  }
  // resolve_method_ref will start its search in the superclass of :cls.
  