2017-05-23 12:02:28 +00:00
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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
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(function() {
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class O {
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get x() {
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return 1;
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}
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}
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var o = new O;
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function foo(o) {
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try {
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return o.x;
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} catch (e) {
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return 0;
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}
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}
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2019-03-01 10:19:54 +00:00
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%PrepareFunctionForOptimization(foo);
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2017-05-23 12:02:28 +00:00
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assertEquals(1, foo(o));
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assertEquals(1, foo(o));
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%OptimizeFunctionOnNextCall(foo);
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assertEquals(1, foo(o));
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})();
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(function() {
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class O {
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get x() {
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%DeoptimizeFunction(foo);
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return 1;
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}
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}
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var o = new O;
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function foo(o) {
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try {
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return o.x;
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} catch (e) {
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return 0;
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}
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}
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2019-03-01 10:19:54 +00:00
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%PrepareFunctionForOptimization(foo);
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2017-05-23 12:02:28 +00:00
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assertEquals(1, foo(o));
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assertEquals(1, foo(o));
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%OptimizeFunctionOnNextCall(foo);
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assertEquals(1, foo(o));
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})();
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(function() {
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function bar(x) {
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throw x;
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}
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class O {
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get x() {
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%DeoptimizeFunction(foo);
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return bar("x");
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}
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}
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var o = new O;
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function foo(o) {
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try {
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return o.x;
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} catch (e) {
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return 0;
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}
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}
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2019-03-01 10:19:54 +00:00
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%PrepareFunctionForOptimization(foo);
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2017-05-23 12:02:28 +00:00
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assertEquals(0, foo(o));
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assertEquals(0, foo(o));
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%OptimizeFunctionOnNextCall(foo);
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assertEquals(0, foo(o));
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})();
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