1 files changed, 13 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/testLambdaCtor.js b/js/src/jit-test/tests/basic/testLambdaCtor.js
new file mode 100644
index 0000000000..ea91cd9a48
--- /dev/null
+++ b/js/src/jit-test/tests/basic/testLambdaCtor.js
@@ -0,0 +1,13 @@
+function testLambdaCtor() {
+    var a = [];
+    for (var x = 0; x < 9; ++x) {
+        var f = function(){};
+        a[a.length] = new f;
+    }
+
+    assertEq([8].__proto__ !== a[7].__proto__, true);
+
+    // Assert that the last f was properly constructed.
+    return a[8].__proto__ === f.prototype;
+}
+assertEq(testLambdaCtor(), true);