1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/bound-function-proto.js b/js/src/jit-test/tests/basic/bound-function-proto.js
new file mode 100644
index 0000000000..a692381717
--- /dev/null
+++ b/js/src/jit-test/tests/basic/bound-function-proto.js
@@ -0,0 +1,18 @@
+// When allocating a bound function in JIT code, ensure it ends up with the
+// correct proto.
+function f() {
+    var arr = [function(){}, function(){}];
+
+    arr[0].bind = Function.prototype.bind;
+    arr[1].bind = Function.prototype.bind;
+
+    var proto = {};
+    Object.setPrototypeOf(arr[1], proto);
+
+    for (var i = 0; i < 2000; i++) {
+        var fun = arr[Number(i > 1000)];
+        var bound = fun.bind(null);
+        assertEq(Object.getPrototypeOf(bound), i > 1000 ? proto : Function.prototype);
+    }
+}
+f();