Added a DependentCode field to AllocationSite.

src/hydrogen-instructions.h

Index: src/hydrogen-instructions.h
diff --git a/src/hydrogen-instructions.h b/src/hydrogen-instructions.h
index 5bb7f484b5a75a50eef40cfd3a4b0f2ffb6fccb1..73f341d1ce8535efcf8bce9aba9b5bf494cacbff 100644
--- a/src/hydrogen-instructions.h
+++ b/src/hydrogen-instructions.h
@@ -5671,6 +5671,10 @@ class HObjectAccess V8_FINAL {
     return HObjectAccess(kInobject, AllocationSite::kTransitionInfoOffset);
   }
 
+  static HObjectAccess ForAllocationSiteDependentCode() {
+    return HObjectAccess(kInobject, AllocationSite::kDependentCodeOffset);
+  }
+
   static HObjectAccess ForAllocationSiteWeakNext() {
     return HObjectAccess(kInobject, AllocationSite::kWeakNextOffset);
   }