- Inlined the code for make simple cons strings....

src/factory.cc

Index: src/factory.cc
===================================================================
--- src/factory.cc	(revision 2281)
+++ src/factory.cc	(working copy)
@@ -92,8 +92,6 @@
 
 Handle<String> Factory::NewConsString(Handle<String> first,
                                       Handle<String> second) {
-  if (first->length() == 0) return second;
-  if (second->length() == 0) return first;
   CALL_HEAP_FUNCTION(Heap::AllocateConsString(*first, *second), String);
 }