Wire Regexp2000 up to the normal JS RegExp object.

src/objects-debug.cc

Index: src/objects-debug.cc
===================================================================
--- src/objects-debug.cc	(revision 750)
+++ src/objects-debug.cc	(working copy)
@@ -674,6 +674,12 @@
       ASSERT(jscre_data->IsFixedArray() || jscre_data->IsUndefined());
       break;
     }
+    case JSRegExp::RE2K: {
+      FixedArray* arr = FixedArray::cast(data());
+      Object* jscre_data = arr->get(JSRegExp::kJscreDataIndex);
+      ASSERT(jscre_data->IsFixedArray());
+      break;
+    }
     default:
       ASSERT_EQ(JSRegExp::NOT_COMPILED, TypeTag());
       ASSERT(data()->IsUndefined());