21 lines
520 B
JavaScript
21 lines
520 B
JavaScript
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// Copyright 2017 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 --opt
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var o = {};
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function foo(s) { return o[s]; }
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var s = 'c' + 'c';
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foo(s);
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foo(s);
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%OptimizeFunctionOnNextCall(foo);
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assertEquals(undefined, foo(s));
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assertOptimized(foo);
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assertEquals(undefined, foo('c' + 'c'));
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assertOptimized(foo);
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assertEquals(undefined, foo('ccddeeffgg'.slice(0, 2)));
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assertOptimized(foo);
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