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// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --allow-natives-syntax --min-preparse-length=10
let x;
function f(a) {
x += a;
}
function g(a) {
f(a); return x;
}
function h(a) {
x = a; return x;
}
function boom() { return g(1) }
assertEquals(1, h(1));
assertEquals(2, boom());
assertEquals(3, boom());
%OptimizeFunctionOnNextCall(boom);
assertEquals(4, boom());
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