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22 lines
575 B

// 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 --deopt-every-n-times=55
// Flags: --nodead-code-elimination
function f(t) {
var result = [];
for (var i in t) {
for (var j in t) {
result.push(i + j + t[i] + t[j]);
continue;
}
}
return result.join('');
}
var t = {a: "1", b: "2"};
assertEquals("aa11ab12ba21bb22", f(t));
%OptimizeFunctionOnNextCall(f);
assertEquals("aa11ab12ba21bb22", f(t));