[Bug libstdc++/81670] New: include/ext/pb_ds/detail/splay_tree_/splay_fn_imps.hpp:253: suspicious assignment ?

[dcb314 at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81670

            Bug ID: 81670
           Summary: include/ext/pb_ds/detail/splay_tree_/splay_fn_imps.hpp
                    :253: suspicious assignment ?
           Product: gcc
           Version: 7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libstdc++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dcb314 at hotmail dot com
  Target Milestone: ---

trunk/libstdc++-v3/include/ext/pb_ds/detail/splay_tree_/splay_fn_imps.hpp:253]:
(warning) Redundant assignment of 'base_type::m_p_head->m_p_parent' to itself.

Source code is

  if (grandparent_head)
    {
      base_type::m_p_head->m_p_parent = base_type::m_p_head->m_p_parent;