Replace the memcpy macro with a lint check.

runtime/bin/process_win.cc

 // Copyright (c) 2012, 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 <process.h>  // NOLINT
 
 #include "bin/builtin.h"
@@ skipping 809 matching lines @@
     }
   }
 
   // All handles closed and all data read.
   result->set_stdout_data(oh[0].GetData());
   result->set_stderr_data(oh[1].GetData());
 
   // Calculate the exit code.
   ASSERT(oh[2].GetDataSize() == 8);
   uint32_t exit[2];
-  memcpy(&exit, oh[2].GetFirstDataBuffer(), sizeof(exit));
+  memmove(&exit, oh[2].GetFirstDataBuffer(), sizeof(exit));
   oh[2].FreeDataBuffer();
   intptr_t exit_code = exit[0];
   intptr_t negative = exit[1];
   if (negative) exit_code = -exit_code;
   result->set_exit_code(exit_code);
   return true;
 }
 
 
 bool Process::Kill(intptr_t id, int signal) {
@@ skipping 18 matching lines @@
 
 
 intptr_t Process::CurrentProcessId() {
   return static_cast<intptr_t>(GetCurrentProcessId());
 }
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // defined(TARGET_OS_WINDOWS)