28 lines
523 B
JavaScript
28 lines
523 B
JavaScript
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// Copyright 2024 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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//
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// Flags: --allow-natives-syntax
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function bar() {
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let x = undefined;
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x++;
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glo = x;
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return x;
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}
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const o = {};
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o[Symbol.iterator] = bar;
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function foo() {
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for (let i = 0; i < 2; i++) {
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try { [] = o; } catch {}
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}
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}
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%PrepareFunctionForOptimization(bar);
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%PrepareFunctionForOptimization(foo);
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foo();
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%OptimizeMaglevOnNextCall(foo);
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foo();
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