Second attempt at introducing a premonomorphic state in the call

src/runtime.cc

Index: src/runtime.cc
===================================================================
--- src/runtime.cc	(revision 19412)
+++ src/runtime.cc	(working copy)
@@ -14762,6 +14762,7 @@
 
   Handle<AllocationSite> site;
   if (!type_info.is_null() &&
+      *type_info != isolate->heap()->null_value() &&

[mvstanton, 2014/02/18 15:22:53]

good catch!

       *type_info != isolate->heap()->undefined_value()) {
     site = Handle<AllocationSite>::cast(type_info);
     ASSERT(!site->SitePointsToLiteral());