blob: 02c6326d1295e17bf29461a38481506c0f27896f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
// Copyright 2015 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 --expose-gc
var inner = new Array();
inner.a = {x:1};
inner[0] = 1.5;
inner.b = {x:2};
assertTrue(%HasDoubleElements(inner));
function foo(o) {
return o.field.b.x;
}
var outer = {};
outer.field = inner;
foo(outer);
foo(outer);
foo(outer);
%OptimizeFunctionOnNextCall(foo);
foo(outer);
// Generalize representation of field "b" of inner object.
var v = { get x() { return 0x7fffffff; } };
inner.b = v;
gc();
var boom = foo(outer);
print(boom);
assertEquals(0x7fffffff, boom);
|
