Fix compilation on Win after r5867.

src/profile-generator-inl.h

 // 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 104 matching lines @@
     // To avoid confusing people, let's put all these entries into
     // one bucket.
     case OTHER:
     case EXTERNAL:
       return program_entry_;
     default: return NULL;
   }
 }
 
 
+inline uint64_t HeapEntry::id() {
+  return *(reinterpret_cast<uint64_t*>(&id_));
+}
+
+
 template<class Visitor>
 void HeapEntriesMap::UpdateEntries(Visitor* visitor) {
   for (HashMap::Entry* p = entries_.Start();
        p != NULL;
        p = entries_.Next(p)) {
     EntryInfo* entry_info = reinterpret_cast<EntryInfo*>(p->value);
     entry_info->entry = visitor->GetEntry(
         reinterpret_cast<HeapObject*>(p->key),
         entry_info->children_count,
         entry_info->retainers_count);
     entry_info->children_count = 0;
     entry_info->retainers_count = 0;
   }
 }
 
 } }  // namespace v8::internal
 
 #endif  // ENABLE_LOGGING_AND_PROFILING
 
 #endif  // V8_PROFILE_GENERATOR_INL_H_