Fix old bug in VirtualMemory::Commit on Windows.

runtime/vm/virtual_memory_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 "vm/globals.h"
 #if defined(TARGET_OS_WINDOWS)
 
 #include "vm/virtual_memory.h"
 
 #include "platform/assert.h"
@@ skipping 36 matching lines @@
   // can be freed. Therefore we will have to waste these unused
   // virtual memory sub-segments.
   return false;
 }
 
 
 bool VirtualMemory::Commit(uword addr, intptr_t size, bool executable) {
   ASSERT(Contains(addr));
   ASSERT(Contains(addr + size) || (addr + size == end()));
   int prot = executable ? PAGE_EXECUTE_READWRITE : PAGE_READWRITE;
-  if (VirtualAlloc(address(), size, MEM_COMMIT, prot) == NULL) {
+  if (VirtualAlloc(reinterpret_cast<void*>(addr), size, MEM_COMMIT, prot) ==
+      NULL) {
     return false;
   }
   return true;
 }
 
 
 bool VirtualMemory::Protect(void* address, intptr_t size, Protection mode) {
   uword start_address = reinterpret_cast<uword>(address);
   uword end_address = start_address + size;
   uword page_address = Utils::RoundDown(start_address, PageSize());
@@ skipping 19 matching lines @@
   bool result = VirtualProtect(reinterpret_cast<void*>(page_address),
                         end_address - page_address,
                         prot,
                         &old_prot);
   return result;
 }
 
 }  // namespace dart
 
 #endif  // defined(TARGET_OS_WINDOWS)