Fix compilation on Win after r5867.

src/profile-generator.cc

 // Copyright 2010 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 852 matching lines @@
                      Type type,
                      const char* name,
                      uint64_t id,
                      int self_size,
                      int children_count,
                      int retainers_count) {
   snapshot_ = snapshot;
   type_ = type;
   painted_ = kUnpainted;
   name_ = name;
-  id_ = id;
+  *(reinterpret_cast<uint64_t*>(&id_)) = id;
   self_size_ = self_size;
   retained_size_ = 0;
   children_count_ = children_count;
   retainers_count_ = retainers_count;
   dominator_ = NULL;
 }
 
 
 void HeapEntry::SetNamedReference(HeapGraphEdge::Type type,
                                   int child_index,
@@ skipping 61 matching lines @@
   void Apply(HeapEntry* entry) { }
 };
 
 void HeapEntry::PaintAllReachable() {
   NullClass null;
   ApplyAndPaintAllReachable(&null);
 }
 
 
 void HeapEntry::Print(int max_depth, int indent) {
-  OS::Print("%6d %6d [%llu] ", self_size(), RetainedSize(false), id_);
+  OS::Print("%6d %6d [%llu] ", self_size(), RetainedSize(false), id());
   if (type() != kString) {
     OS::Print("%s %.40s\n", TypeAsString(), name_);
   } else {
     OS::Print("\"");
     const char* c = name_;
     while (*c && (c - name_) <= 40) {
       if (*c != '\n')
         OS::Print("%c", *c);
       else
         OS::Print("\\n");
@@ skipping 1789 matching lines @@
 void HeapSnapshotJSONSerializer::SortHashMap(
     HashMap* map, List<HashMap::Entry*>* sorted_entries) {
   for (HashMap::Entry* p = map->Start(); p != NULL; p = map->Next(p))
     sorted_entries->Add(p);
   sorted_entries->Sort(SortUsingEntryValue);
 }
 
 } }  // namespace v8::internal
 
 #endif  // ENABLE_LOGGING_AND_PROFILING