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carbon-lang/executable_semantics/testdata/pointer/basic.carbon
T

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// 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
//
// RUN: %{executable_semantics} %s 2>&1 | \
// RUN: %{FileCheck} --match-full-lines --allow-unused-prefixes=false %s
// RUN: %{executable_semantics} --parser_debug --trace_file=- %s 2>&1 | \
// RUN: %{FileCheck} --match-full-lines --allow-unused-prefixes %s
// AUTOUPDATE: %{executable_semantics} %s
// CHECK: result: 0
package ExecutableSemanticsTest api;
fn Main() -> i32 {
var x: i32 = 5;
// changes x to 10
x = 10;
var p: i32* = &x;
// changes x to 7
*p = 7;
var q: i32* = &*p;
// changes x to 0
*q = 0;
var y: i32 = *p;
return y;
}