blob: cfe1b50ab7f8833603130c972363a74e80a9d8e6 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
|
// Copyright 2019 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --allow-natives-syntax
function bar(a) {
return Object.defineProperty(a, 'x', {get() { return 1; }});
}
function foo() {
return {};
}
%NeverOptimizeFunction(bar);
%PrepareFunctionForOptimization(foo);
const o = foo(); // Keep a reference so the GC doesn't kill the map.
bar(o);
const a = bar(foo());
%OptimizeFunctionOnNextCall(foo);
const b = bar(foo());
assertTrue(%HaveSameMap(a, b));
|
