21 lines
712 B
JavaScript
21 lines
712 B
JavaScript
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// Copyright 2021 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 test() {}
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function foo() {
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// --test() will throw a ReferenceError, making the rest of the for-of loop
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// dead. The destructuring assignment is still part of the same expression,
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// and it generates a try-finally for its iteration, so if it isn't fully
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// eliminated the finally block may resurrect the destructuring assignment
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// loop.
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for (let [x] of --test()) {}
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}
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%PrepareFunctionForOptimization(foo);
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try { foo() } catch {}
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%OptimizeFunctionOnNextCall(foo);
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try { foo() } catch {}
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