Serializer: cache hashmaps on the isolate.

src/snapshot-source-sink.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 
 #include "src/snapshot-source-sink.h"
 
 #include "src/base/logging.h"
 #include "src/handles-inl.h"
 #include "src/serialize.h"  // for SerializerDeserializer::nop() in AtEOF()
 
 
 namespace v8 {
 namespace internal {
 
 void SnapshotByteSource::CopyRaw(byte* to, int number_of_bytes) {
-  MemCopy(to, data_ + position_, number_of_bytes);
+  memcpy(to, data_ + position_, number_of_bytes);
   position_ += number_of_bytes;
 }
 
 
 void SnapshotByteSink::PutInt(uintptr_t integer, const char* description) {
   DCHECK(integer < 1 << 30);
   integer <<= 2;
   int bytes = 1;
   if (integer > 0xff) bytes = 2;
   if (integer > 0xffff) bytes = 3;
@@ skipping 30 matching lines @@
     Advance(size);
     return true;
   } else {
     Advance(length_ - position_);  // proceed until end.
     return false;
   }
 }
 
 }  // namespace v8::internal
 }  // namespace v8