1 files changed, 11 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/bug630865-6.js b/js/src/jit-test/tests/basic/bug630865-6.js
new file mode 100644
index 0000000000..0532101bd0
--- /dev/null
+++ b/js/src/jit-test/tests/basic/bug630865-6.js
@@ -0,0 +1,11 @@
+var a = [];
+var x, i;
+for (i = 0; i < 18; i++) {
+    a[i] = function (b) { this.b = b; };
+    if (i != 17)
+        x = a[i].prototype;
+}
+for (i = 0; i < 18; i++)
+    x = new a[i];
+assertEq(toString.call(x), "[object Object]");
+assertEq(Object.getPrototypeOf(x), a[17].prototype);