PVS-Studio warning V546 for Boost

BOOST_UBLAS_INLINE
compressed_matrix_view(const compressed_matrix_view& o) :
  size1_(size1_), size2_(size2_),
  nnz_(nnz_),
  index1_data_(index1_data_),
  index2_data_(index2_data_),
  value_data_(value_data_)
{}

Also: size2_, nnz_, index1_data_, index2_data_, value_data_.

This suspicious code was found in Boost project by PVS-Studio static code analyzer.
Warning message is:
V546 Member of a class is initialized by itself: 'size1_(size1_)'. sparse_view.hpp 193

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