22 lines
410 B
JavaScript
22 lines
410 B
JavaScript
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// Copyright 2018 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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const r = /x/;
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let counter = 0;
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r.exec = () => { counter++; return null; }
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function f() {
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r.test("ABcd");
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}
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f();
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assertEquals(1, counter);
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%OptimizeFunctionOnNextCall(f);
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f();
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assertEquals(2, counter);
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