Better hydrogen printing for the allocate instruction

src/hydrogen-instructions.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 4654 matching lines @@
   }
 
   bool GuaranteedInNewSpace() const {
     return CanAllocateInNewSpace() && !CanAllocateInOldSpace();
   }
 
   bool MustAllocateDoubleAligned() const {
     return (flags_ & ALLOCATE_DOUBLE_ALIGNED) != 0;
   }
 
+  virtual void PrintDataTo(StringStream* stream);
+
   DECLARE_CONCRETE_INSTRUCTION(Allocate)
 
  private:
   HType type_;
   Flags flags_;
 };
 
 
 inline bool StoringValueNeedsWriteBarrier(HValue* value) {
   return !value->type().IsBoolean()
@@ skipping 1478 matching lines @@
   virtual bool IsDeletable() const { return true; }
 };
 
 
 #undef DECLARE_INSTRUCTION
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_INSTRUCTIONS_H_