37 lines
740 B
JavaScript
37 lines
740 B
JavaScript
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// Copyright 2016 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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function id(a) {
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return a;
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}
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(function LiteralCompareNullDeopt() {
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function f() {
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return id(null == %DeoptimizeNow());
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}
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%OptimizeFunctionOnNextCall(f);
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assertTrue(f());
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})();
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(function LiteralCompareUndefinedDeopt() {
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function f() {
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return id(undefined == %DeoptimizeNow());
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}
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%OptimizeFunctionOnNextCall(f);
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assertTrue(f());
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})();
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(function LiteralCompareTypeofDeopt() {
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function f() {
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return id("undefined" == typeof(%DeoptimizeNow()));
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}
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%OptimizeFunctionOnNextCall(f);
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assertTrue(f());
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})();
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