Pretenure call new support.

src/hydrogen.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1013 matching lines @@
 
 class HAllocationMode V8_FINAL BASE_EMBEDDED {
  public:
   explicit HAllocationMode(Handle<AllocationSite> feedback_site)
       : current_site_(NULL), feedback_site_(feedback_site),
         pretenure_flag_(NOT_TENURED) {}
   explicit HAllocationMode(HValue* current_site)
       : current_site_(current_site), pretenure_flag_(NOT_TENURED) {}
   explicit HAllocationMode(PretenureFlag pretenure_flag)
       : current_site_(NULL), pretenure_flag_(pretenure_flag) {}
+  HAllocationMode()
+      : current_site_(NULL), pretenure_flag_(NOT_TENURED) {}
 
   HValue* current_site() const { return current_site_; }
   Handle<AllocationSite> feedback_site() const { return feedback_site_; }
 
   bool CreateAllocationMementos() const V8_WARN_UNUSED_RESULT {
     return current_site() != NULL;
   }
 
   PretenureFlag GetPretenureMode() const V8_WARN_UNUSED_RESULT {
     if (!feedback_site().is_null()) return feedback_site()->GetPretenureMode();
@@ skipping 1742 matching lines @@
   }
 
  private:
   HGraphBuilder* builder_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_H_