Merge regexp2000 back into bleeding_edge

src/objects-debug.cc

Index: src/objects-debug.cc
===================================================================
--- src/objects-debug.cc	(revision 830)
+++ src/objects-debug.cc	(working copy)
@@ -670,9 +670,16 @@
     }
     case JSRegExp::JSCRE: {
       FixedArray* arr = FixedArray::cast(data());
-      ASSERT(arr->get(JSRegExp::kJscreDataIndex)->IsFixedArray());
+      Object* jscre_data = arr->get(JSRegExp::kJscreDataIndex);
+      ASSERT(jscre_data->IsFixedArray() || jscre_data->IsUndefined());
       break;
     }
+    case JSRegExp::IRREGEXP: {
+      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());