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/for-of/semantics-05.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,8 @@
     1.4 +// Deleting String.prototype.iterator makes for-of stop working on strings.
     1.5 +
     1.6 +load(libdir + "asserts.js");
     1.7 +load(libdir + "iteration.js");
     1.8 +
     1.9 +delete String.prototype[std_iterator];
    1.10 +assertThrowsInstanceOf(function () { for (var v of "abc") ; }, TypeError);
    1.11 +assertThrowsInstanceOf(function () { for (var v of new String("abc")) ; }, TypeError);