// 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;

// CHECK:STDERR: COMPILATION ERROR: {{.*}}/explorer/testdata/name_lookup/fail_fn_use_in_param.carbon:[[@LINE+1]]: 'F' is not usable until after it has been completely declared
fn F(x: F(0)) -> type {
  return i32;
}

fn Main() -> i32 {
  return x;
}