31a3cfbc10
BUG=v8:8801 Change-Id: I9d9d9824c6c9ad0176bbfd3723da1b578b17c256 Reviewed-on: https://chromium-review.googlesource.com/c/1495555 Commit-Queue: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by: Mythri Alle <mythria@chromium.org> Cr-Commit-Position: refs/heads/master@{#60001}
28 lines
494 B
JavaScript
28 lines
494 B
JavaScript
// 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
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var x = 1;
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var y = 1;
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function g(a) {
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x = a;
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y = a;
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}
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%NeverOptimizeFunction(g);
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function foo(a) {
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g(a);
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return x + y;
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}
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var o = 1;
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%PrepareFunctionForOptimization(foo);
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assertEquals(foo(o), 2);
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assertEquals(foo(o), 2);
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%OptimizeFunctionOnNextCall(foo);
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o = 2;
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assertEquals(foo(o), 4);
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