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Kmake/deps/v8/test/mjsunit/turboshaft/maglev-frontend/for-in-this.js
2026-05-26 23:36:42 -07:00

20 lines
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JavaScript

// Copyright 2024 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 --turbolev --turbofan
var arr = [1, 2, 3];
function test_for_in(a, b) {
let s = a + b;
for (x in arr) {}
return s;
}
%PrepareFunctionForOptimization(test_for_in);
assertEquals(3, test_for_in(1, 2));
%OptimizeFunctionOnNextCall(test_for_in);
assertEquals(3, test_for_in(1, 2));
assertOptimized(test_for_in);