1 files changed, 16 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug1063488.js b/js/src/jit-test/tests/ion/bug1063488.js
new file mode 100644
index 0000000000..b6ad1a7106
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug1063488.js
@@ -0,0 +1,16 @@
+
+function foo(a, b) {
+    var x = b[0];
+    for (var i = 0; i < 5; i++) {
+	a[i + 1] = 0;
+	x += b[i];
+    }
+    assertEq(x, 2);
+}
+function bar() {
+    for (var i = 0; i < 5; i++) {
+	var arr = [1,2,3,4,5,6];
+	foo(arr, arr);
+    }
+}
+bar();