src/third_party/mozjs-45/js/src/jit-test/tests/for-of/wrapper-1.js

// for-of works on cross-compartment wrappers of Arrays.

var g = newGlobal();
var s = '';
for (var x of g.Array(1, 1, 2, 3, 5))
    s += x;
assertEq(s, '11235');