carbon-lang/explorer/testdata/function/param_lifetime.carbon

// 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: %{explorer-run}
// RUN: %{explorer-run-trace}
// CHECK:STDOUT: result: 0

package ExplorerTest api;

// This tests the call-by-value aspect of parameter passing.
// This makes sure that when the value in `x` dies,
// it does not cause the value in `a` to also die.

fn f(x: i32) -> i32 {
  return 0;
}

fn Main() -> i32 {
  var a: i32 = 0;
  var b: i32 = 1;
  f(a);
  b = a;
  return b;
}