[gcc r16-770] libstdc++: remove two redundant statements in pb_ds binary tree

[Xi Ruoyao]

https://gcc.gnu.org/g:6740732a659f9bef523f872c633d5477e8dc349c

commit r16-770-g6740732a659f9bef523f872c633d5477e8dc349c
Author: Xℹ Ruoyao <xry111@mengyan1223.wang>
Date:   Fri Jul 10 20:10:52 2020 +0800

    libstdc++: remove two redundant statements in pb_ds binary tree
    
    libstdc++-v3/ChangeLog:
    
            * include/ext/pb_ds/detail/bin_search_tree_/insert_fn_imps.hpp
            (insert_leaf_new, insert_imp_empty): remove redundant statements.

Diff:
---
 .../include/ext/pb_ds/detail/bin_search_tree_/insert_fn_imps.hpp        | 2 --
 1 file changed, 2 deletions(-)

diff --git a/libstdc++-v3/include/ext/pb_ds/detail/bin_search_tree_/insert_fn_imps.hpp b/libstdc++-v3/include/ext/pb_ds/detail/bin_search_tree_/insert_fn_imps.hpp
index e6e954dc29c8..b8f5014838c2 100644
--- a/libstdc++-v3/include/ext/pb_ds/detail/bin_search_tree_/insert_fn_imps.hpp
+++ b/libstdc++-v3/include/ext/pb_ds/detail/bin_search_tree_/insert_fn_imps.hpp
@@ -122,7 +122,6 @@ insert_leaf_new(const_reference r_value, node_pointer p_nd, bool left_nd)
     }
 
   p_new_nd->m_p_parent = p_nd;
-  p_new_nd->m_p_left = p_new_nd->m_p_right = 0;
   PB_DS_ASSERT_NODE_CONSISTENT(p_nd)
 
   update_to_top(p_new_nd, (node_update* )this);
@@ -142,7 +141,6 @@ insert_imp_empty(const_reference r_value)
     m_p_head->m_p_parent = p_new_node;
 
   p_new_node->m_p_parent = m_p_head;
-  p_new_node->m_p_left = p_new_node->m_p_right = 0;
   _GLIBCXX_DEBUG_ONLY(debug_base::insert_new(PB_DS_V2F(r_value));)
 
   update_to_top(m_p_head->m_p_parent, (node_update*)this);