Replace the memcpy macro with a lint check.

runtime/bin/eventhandler_win.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "platform/globals.h"
 #if defined(TARGET_OS_WINDOWS)
 
 #include "bin/eventhandler.h"
 
 #include <process.h>  // NOLINT
@@ skipping 59 matching lines @@
   OverlappedBuffer* buffer =
       CONTAINING_RECORD(overlapped, OverlappedBuffer, overlapped_);
   return buffer;
 }
 
 
 int OverlappedBuffer::Read(void* buffer, int num_bytes) {
   if (num_bytes > GetRemainingLength()) {
     num_bytes = GetRemainingLength();
   }
-  memcpy(buffer, GetBufferStart() + index_, num_bytes);
+  memmove(buffer, GetBufferStart() + index_, num_bytes);
   index_ += num_bytes;
   return num_bytes;
 }
 
 
 int OverlappedBuffer::Write(const void* buffer, int num_bytes) {
   ASSERT(num_bytes == buflen_);
-  memcpy(GetBufferStart(), buffer, num_bytes);
+  memmove(GetBufferStart(), buffer, num_bytes);
   data_length_ = num_bytes;
   return num_bytes;
 }
 
 
 int OverlappedBuffer::GetRemainingLength() {
   ASSERT(operation_ == kRead);
   return data_length_ - index_;
 }
 
@@ skipping 960 matching lines @@
 
 
 void EventHandlerImplementation::Shutdown() {
   SendData(kShutdownId, 0, 0);
 }
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // defined(TARGET_OS_WINDOWS)