1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/object/__proto__-fn-name.js b/js/src/tests/test262/language/expressions/object/__proto__-fn-name.js
new file mode 100644
index 0000000000..57a654afd7
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/object/__proto__-fn-name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: B.3.1
+description: Function name is not assigned based on the property name
+info: |
+    [...]
+    6. If propKey is the String value "__proto__" and if
+       IsComputedPropertyKey(propKey) is false, then
+       a. If Type(propValue) is either Object or Null, then
+          i. Return object.[[SetPrototypeOf]](propValue).
+       b. Return NormalCompletion(empty).
+    7. If IsAnonymousFunctionDefinition(AssignmentExpression) is true, then
+       a. Let hasNameProperty be HasOwnProperty(propValue, "name").
+       b. ReturnIfAbrupt(hasNameProperty).
+       c. If hasNameProperty is false, perform SetFunctionName(propValue, propKey).
+---*/
+
+var o;
+
+o = {
+  __proto__: function() {}
+};
+
+assert(o.__proto__.name !== '__proto__');
+
+reportCompare(0, 0);