arrange to create prototypes for generators

test/mjsunit/builtins.js

Index: test/mjsunit/builtins.js
diff --git a/test/mjsunit/builtins.js b/test/mjsunit/builtins.js
index 062cfd5689de3aea6757f42bf949be2da9f2be02..76f820021efbf338235a60a0ca77ab19d85687c7 100644
--- a/test/mjsunit/builtins.js
+++ b/test/mjsunit/builtins.js
@@ -54,7 +54,10 @@ function checkConstructor(func, name) {
   assertFalse(proto_desc.writable, name);
   assertFalse(proto_desc.configurable, name);
   var prototype = proto_desc.value;
-  assertEquals(null, Object.getPrototypeOf(prototype), name);
+  var expected_prototype_of_prototype =

[rossberg, 2013/04/11 13:05:20]

Nit: could inline this.

[wingo, 2013/04/11 14:38:45]

Done.

+      name == "GeneratorFunctionPrototype" ? Object.prototype : null;
+  assertEquals(expected_prototype_of_prototype,
+               Object.getPrototypeOf(prototype), name);
   for (var i = 0; i < propNames.length; i++) {
     var propName = propNames[i];
     if (propName == "constructor") continue;