// 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 // // NOAUTOUPDATE package ExplorerTest api; choice Ch { // CHECK:STDERR: COMPILATION ERROR: fail_alternative_uses_choice.carbon:[[@LINE+1]]: 'Ch' is not usable until after it has been completely declared Opt(Ch) } fn Main() -> i32 { return 0; }