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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
var a = {}
var b = {}
a.x = 1;
a.y = 1;
b.x = 1;
function foo(c) {
var s = 0;
for (var p in c) { s++; }
return s;
}
%PrepareFunctionForOptimization(foo);
assertEquals(2, foo(a));
assertEquals(1, foo(b));
%OptimizeFunctionOnNextCall(foo);
assertEquals(2, foo(a));
assertEquals(1, foo(b));
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