regress-7121.js 369 Bytes
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// Copyright 2017 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.

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// Flags: --allow-natives-syntax
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function foo() { %_ToLength(42n) }
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%PrepareFunctionForOptimization(foo);
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assertThrows(foo, TypeError);
%OptimizeFunctionOnNextCall(foo);
assertThrows(foo, TypeError);