1 files changed, 11 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/Map-iterator-2.js b/js/src/jit-test/tests/collections/Map-iterator-2.js
new file mode 100644
index 0000000000..8a648a273a
--- /dev/null
+++ b/js/src/jit-test/tests/collections/Map-iterator-2.js
@@ -0,0 +1,11 @@
+// Nested for-of loops can iterate over a Map.
+
+var map = new Map([['a', 0], ['b', 1]]);
+var log = '';
+for (let [k0, v0] of map) {
+    log += k0 + v0 + ':'
+    for (let [k1, v1] of map)
+        log += k1 + v1;
+    log += ';'
+};
+assertEq(log, 'a0:a0b1;b1:a0b1;');