1 files changed, 8 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/Set-iterator-proxies-1.js b/js/src/jit-test/tests/collections/Set-iterator-proxies-1.js
new file mode 100644
index 0000000000..c3d041d088
--- /dev/null
+++ b/js/src/jit-test/tests/collections/Set-iterator-proxies-1.js
@@ -0,0 +1,8 @@
+// for-of works on a cross-compartment wrapper of a Set.
+
+var g = newGlobal();
+var mw = g.eval("new Set(['a', 'b', 1, 2])");
+var log = '';
+for (let x of mw)
+    log += x;
+assertEq(log, "ab12");