js/src/jit-test/tests/jaeger/propertyOptimize-4.js@b8a032363ba2
js/src/jit-test/tests/jaeger/propertyOptimize-4.js
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
1 // Make sure new script properties can be invalidated on specialized prototype
2 // types while they are still being constructed.
4 function Foo(a, b, c) {
5 this.x = a + b;
6 this.y = c;
7 }
9 updated = false;
10 var o = {valueOf: function() {
11 Object.defineProperty(Object.prototype, 'y', {set:function() { updated = true; }})
12 }};
14 function Bar() {}
15 Bar.prototype = new Foo(o, 1, 2);
16 assertEq(updated, true);
17 assertEq(Bar.prototype.y, undefined);
