46 lines
902 B
JavaScript
46 lines
902 B
JavaScript
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// Copyright 2022 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 --maglev --no-stress-opt
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function factory() {
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var x = 1;
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x = 2;
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return function foo() {
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return x;
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}
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}
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let foo = factory();
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%PrepareFunctionForOptimization(foo);
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assertEquals(2, foo());
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assertEquals(2, foo());
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%OptimizeMaglevOnNextCall(foo);
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assertEquals(2, foo());
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function nested_factory() {
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var x = 1;
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x = 2;
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return (function() {
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var z = 3;
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return function foo(){
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// Add two values from different contexts to force an
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// LdaImmutableCurrentContextSlot
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return x+z;
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}
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})();
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}
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foo = nested_factory();
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%PrepareFunctionForOptimization(foo);
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assertEquals(5, foo());
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assertEquals(5, foo());
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%OptimizeMaglevOnNextCall(foo);
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assertEquals(5, foo());
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