Replace OS::MemCopy with OS::MemMove (just as fast but more flexible).

src/prettyprinter.cc

 // 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 487 matching lines @@
 
     if (n >= 0) {
       // there was enough space - we are done
       pos_ += n;
       return;
     } else {
       // there was not enough space - allocate more and try again
       const int slack = 32;
       int new_size = size_ + (size_ >> 1) + slack;
       char* new_output = NewArray<char>(new_size);
-      memcpy(new_output, output_, pos_);
+      OS::MemCopy(new_output, output_, pos_);
       DeleteArray(output_);
       output_ = new_output;
       size_ = new_size;
     }
   }
 }
 
 
 void PrettyPrinter::PrintStatements(ZoneList<Statement*>* statements) {
   if (statements == NULL) return;
@@ skipping 616 matching lines @@
 }
 
 
 void AstPrinter::VisitThisFunction(ThisFunction* node) {
   IndentedScope indent(this, "THIS-FUNCTION");
 }
 
 #endif  // DEBUG
 
 } }  // namespace v8::internal