// 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
// RUN: %{not} %{explorer-run}
// RUN: %{not} %{explorer-run-trace}

package ExplorerTest api;

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