js/src/jit-test/tests/jaeger/propertyOptimize-4.js

Thu, 15 Jan 2015 21:03:48 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 15 Jan 2015 21:03:48 +0100
branch
TOR_BUG_9701
changeset 11
deefc01c0e14
permissions
-rw-r--r--

Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)

     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);

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