30 lines
774 B
JavaScript
30 lines
774 B
JavaScript
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// Copyright 2020 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 --no-always-opt
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function f(len) {
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return new Array(len);
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}
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%PrepareFunctionForOptimization(f);
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assertEquals(3, f(3).length);
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assertEquals(18, f(18).length);
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%OptimizeFunctionOnNextCall(f);
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assertEquals(4, f(4).length);
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assertOptimized(f);
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let a = f("8");
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assertUnoptimized(f);
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assertEquals(1, a.length);
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assertEquals("8", a[0]);
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// Check there is no deopt loop.
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%PrepareFunctionForOptimization(f);
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assertEquals(1, f(1).length);
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%OptimizeFunctionOnNextCall(f);
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assertEquals(8, f(8).length);
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assertOptimized(f);
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assertEquals(1, f("8").length);
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assertOptimized(f);
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