222   DataBufferHeap helper_data;  in AddModuleList()  local
266         size_before + module_stream_size + helper_data.GetByteSize());  in AddModuleList()
268     helper_data.AppendData(&signature, sizeof(llvm::support::ulittle32_t));  in AddModuleList()
269     helper_data.AppendData(uuid.begin(), uuid.size());  in AddModuleList()
279         size_before + module_stream_size + helper_data.GetByteSize());  in AddModuleList()
284     error = WriteString(module_name, &helper_data);  in AddModuleList()
292   m_data.AppendData(helper_data.GetBytes(), helper_data.GetByteSize());  in AddModuleList()
506   DataBufferHeap helper_data;  in AddThreadList()  local
553         size_before + thread_stream_size + helper_data.GetByteSize());  in AddThreadList()
559     helper_data.AppendData(data_up->GetBytes(), stack_bytes_read);  in AddThreadList()
565         size_before + thread_stream_size + helper_data.GetByteSize());  in AddThreadList()
569     helper_data.AppendData(thread_context.data(), thread_context.size());  in AddThreadList()
583   m_data.AppendData(helper_data.GetBytes(), helper_data.GetByteSize());  in AddThreadList()
649   DataBufferHeap helper_data;  in AddMemoryList()  local