// 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; fn Foo() -> i32; fn Main() -> i32 { var (x: i32, y: i32); while (Foo() == 0) { // CHECK:STDERR: COMPILATION ERROR: fail_while_body.carbon:[[@LINE+1]]: use of uninitialized variable x y = x; } return 1; }