1 files changed, 8 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/for-of/arrays-slow-1.js b/js/src/jit-test/tests/for-of/arrays-slow-1.js
new file mode 100644
index 0000000000..cab5a49a09
--- /dev/null
+++ b/js/src/jit-test/tests/for-of/arrays-slow-1.js
@@ -0,0 +1,8 @@
+// for-of works on slow arrays.
+
+var a = ['a', 'b', 'c'];
+a.slow = true;
+var log = '';
+for (var x of a)
+    log += x;
+assertEq(log, 'abc');