libstdc++: Remove _Alloc_node instance in _Rb_tree [PR107189]

libstdc++-v3/ChangeLog:

	PR libstdc++/107189
	* include/bits/stl_tree.h (_Rb_tree<>::_M_insert_range_equal): Remove
	unused _Alloc_node instance.

diff --git a/libstdc++-v3/include/bits/stl_tree.h b/libstdc++-v3/include/bits/stl_tree.h
index a4de614..33d2508 100644 (file)
--- a/libstdc++-v3/include/bits/stl_tree.h
+++ b/libstdc++-v3/include/bits/stl_tree.h
@@ -1123,7 +1123,6 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
        __enable_if_t<!__same_value_type<_InputIterator>::value>
        _M_insert_range_equal(_InputIterator __first, _InputIterator __last)
        {
-         _Alloc_node __an(*this);
          for (; __first != __last; ++__first)
            _M_emplace_equal(*__first);
        }