The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/jit-test/tests/proxy/testDirectProxyGetOwnPropertyDescriptor6.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,10 @@
     1.4 +// Return undefined if the trap returns undefined
     1.5 +var target = {};
     1.6 +Object.defineProperty(target, 'foo', {
     1.7 +    configurable: true
     1.8 +});
     1.9 +assertEq(Object.getOwnPropertyDescriptor(new Proxy(target, {
    1.10 +    getOwnPropertyDescriptor: function (target, name) {
    1.11 +        return undefined;
    1.12 +    }
    1.13 +}), 'foo'), undefined);