// 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 A {
  let T:! type;
}

fn F1[T:! A where .T == i32](x: T.T) -> i32 {
  // OK: one equality.
  return x;
}

fn F2[U:! A where .T == i32](x: i32) -> U.T {
  // OK: one equality.
  return x;
}

fn F3[T:! A where .T == i32, U:! A where .T == i32](x: T.T) -> U.T {
  // CHECK:STDERR: COMPILATION ERROR: fail_indirectly_equal.carbon:[[@LINE+1]]: type error in return value: '(T).(A.T)' is not implicitly convertible to '(U).(A.T)'
  return x;
}

impl i32 as A where .T == i32 {}

fn Main() -> i32 {
  return F3(0);
}