- Optimized CopyFixedArray and CopyJSObject.

src/objects.h

Index: src/objects.h
===================================================================
--- src/objects.h	(revision 546)
+++ src/objects.h	(working copy)
@@ -812,6 +812,7 @@
   inline bool IsOutOfMemoryException() const;
 
   static Failure* RetryAfterGC(int requested_bytes, AllocationSpace space);
+  static inline Failure* RetryAfterGC(int requested_bytes);  // NEW_SPACE

[Kasper Lund, 2008/10/22 08:17:21]

How about renaming this to avoid the overloading? Something like
RetryAfterNewSpaceGC might do the trick? Then you could also get rid of the
comment.

   static inline Failure* Exception();
   static inline Failure* InternalError();
   static inline Failure* OutOfMemoryException();
@@ -996,10 +997,6 @@
   // of this struct.
   void IterateStructBody(int object_size, ObjectVisitor* v);
 
-  // Copy the body from the 'from' object to this.
-  // Please note the two object must have the same map prior to the call.
-  inline void CopyBody(JSObject* from);
-
   // Returns the heap object's size in bytes
   inline int Size();
 
@@ -1253,11 +1250,6 @@
   inline Object* GetInternalField(int index);
   inline void SetInternalField(int index, Object* value);
 
-  // Returns a deep copy of the JavaScript object.
-  // Properties and elements are copied too.
-  // Returns failure if allocation failed.
-  Object* Copy(PretenureFlag pretenure = NOT_TENURED);
-
   // Lookup a property.  If found, the result is valid and has
   // detailed information.
   void LocalLookup(String* name, LookupResult* result);