### Godot version

4.2 f5696c3

### System information

Windows 10 x64

### Issue description

![image](https://github.com/godotengine/godot/assets/2223172/7ad0e3b6-9599-4f7b-a07c-da54779e647a)


### Steps to reproduce

1. Add node
2. Attach a built-in script
3. Add child node
4. Add script to the child node
5. In some method write `get_parent().bui`

### Minimal reproduction project

N/A
return true;
					}
				}
				return false;
			} break;
			case GDScriptParser::DataType::BUILTIN: {
				Callable::CallError err;
				Variant tmp;
				Variant::construct(base_type.builtin_type, tmp, nullptr, 0, err);
				if (err.error != Callable::CallError::CALL_OK) {
					return false;
				}
				bool valid = false;
				Variant res = tmp.get(p_identifier, &valid);
				if (valid) {
					r_type = _type_from_variant(res);
					r_type.value = Variant();
					r_type.type.is_constant = false;
					return true;
				}
				return false;
			} break;
			default: {
				return false;
			} break;
		}
	}
	return false;
}
static void _find_last_return_in_block(GDScriptParser::CompletionContext &p_context, int &r_last_return_line, const GDScriptParser::ExpressionNode **r_last_returned_value) {