22 lines
432 B
JavaScript
22 lines
432 B
JavaScript
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// Copyright 2019 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --allow-natives-syntax
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function foo() {
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var i;
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for (i in 'xxxxxxxx') {
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try { throw 42 } catch (e) {}
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}
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print(i);
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i['' + 'length'] = 42;
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}
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%PrepareFunctionForOptimization(foo);
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foo();
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foo();
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foo();
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%OptimizeFunctionOnNextCall(foo);
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foo();
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