// Part of the Carbon Language project, under the Apache License v2.0 with LLVM // Exceptions. See /LICENSE for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // // AUTOUPDATE package ExplorerTest api; interface Vector { // CHECK:STDERR: COMPILATION ERROR: fail_self_lookup_in_definition.carbon:[[@LINE+1]]: incomplete type `interface Vector` used in member access fn ScalarZero() -> Self.ScalarType; let ScalarType:! type; } fn Main() -> i32 { return 0; }