1 files changed, 14 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug1397071.js b/js/src/jit-test/tests/ion/bug1397071.js
new file mode 100644
index 0000000000..c6d290c84d
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug1397071.js
@@ -0,0 +1,14 @@
+// |jit-test| --ion-limit-script-size=off
+function f() {
+    var b1 = new ArrayBuffer(64);
+    for (var i = 0; i < 100; ++i) {
+        Object.defineProperty(b1, "x", {
+            configurable: true,
+            enumerable: true,
+            writable: true,
+            value: i
+        });
+        assertEq(b1.x, i);
+    }
+}
+f();