1 files changed, 26 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/subclass/class-definition-parent-proto-null.js b/js/src/tests/test262/language/statements/class/subclass/class-definition-parent-proto-null.js
new file mode 100644
index 0000000000..951b569c66
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/class-definition-parent-proto-null.js
@@ -0,0 +1,26 @@
+// Copyright (C) 2016 Kevin Gibbons. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-runtime-semantics-classdefinitionevaluation
+description: A class which extends a constructor with null .prototype is a derived class.
+---*/
+
+var invoked = false;
+var instance, savedArg;
+
+function A(arg) {
+  invoked = true;
+  savedArg = arg;
+  this.prop = 0;
+}
+A.prototype = null;
+
+class C extends A {}
+
+instance = new C(1);
+
+assert.sameValue(invoked, true);
+assert.sameValue(savedArg, 1);
+assert.sameValue(instance.prop, 0);
+
+reportCompare(0, 0);