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diff --git a/i686-linux-gnu-4.7/usr/include/c++/4.7/ext/pb_ds/detail/rc_binomial_heap_/erase_fn_imps.hpp b/i686-linux-gnu-4.7/usr/include/c++/4.7/ext/pb_ds/detail/rc_binomial_heap_/erase_fn_imps.hpp
new file mode 100644
index 0000000..a8c619e
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/c++/4.7/ext/pb_ds/detail/rc_binomial_heap_/erase_fn_imps.hpp
@@ -0,0 +1,107 @@
+// -*- C++ -*-
+
+// Copyright (C) 2005, 2006, 2009, 2010, 2011 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the terms
+// of the GNU General Public License as published by the Free Software
+// Foundation; either version 3, or (at your option) any later
+// version.
+
+// This library is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// General Public License for more details.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
+
+// Permission to use, copy, modify, sell, and distribute this software
+// is hereby granted without fee, provided that the above copyright
+// notice appears in all copies, and that both that copyright notice
+// and this permission notice appear in supporting documentation. None
+// of the above authors, nor IBM Haifa Research Laboratories, make any
+// representation about the suitability of this software for any
+// purpose. It is provided "as is" without express or implied
+// warranty.
+
+/**
+ * @file rc_binomial_heap_/erase_fn_imps.hpp
+ * Contains an implementation for rc_binomial_heap_.
+ */
+
+PB_DS_CLASS_T_DEC
+inline void
+PB_DS_CLASS_C_DEC::
+pop()
+{
+  make_binomial_heap();
+  _GLIBCXX_DEBUG_ASSERT(!base_type::empty());
+  base_type::pop();
+  base_type::find_max();
+}
+
+PB_DS_CLASS_T_DEC
+void
+PB_DS_CLASS_C_DEC::
+clear()
+{
+  base_type::clear();
+  m_rc.clear();
+}
+
+PB_DS_CLASS_T_DEC
+void
+PB_DS_CLASS_C_DEC::
+make_binomial_heap()
+{
+  node_pointer p_nd = base_type::m_p_root;
+  while (p_nd != 0)
+    {
+      node_pointer p_next = p_nd->m_p_next_sibling;
+      if (p_next == 0)
+	p_nd = p_next;
+      else if (p_nd->m_metadata == p_next->m_metadata)
+	p_nd = link_with_next_sibling(p_nd);
+      else if (p_nd->m_metadata < p_next->m_metadata)
+	p_nd = p_next;
+#ifdef _GLIBCXX_DEBUG
+      else
+	_GLIBCXX_DEBUG_ASSERT(0);
+#endif 
+    }
+
+  m_rc.clear();
+}
+
+PB_DS_CLASS_T_DEC
+template<typename Pred>
+typename PB_DS_CLASS_C_DEC::size_type
+PB_DS_CLASS_C_DEC::
+erase_if(Pred pred)
+{
+  make_binomial_heap();
+  const size_type ersd = base_type::erase_if(pred);
+  base_type::find_max();
+  PB_DS_ASSERT_VALID((*this))
+  return ersd;
+}
+
+PB_DS_CLASS_T_DEC
+void
+PB_DS_CLASS_C_DEC::
+erase(point_iterator it)
+{
+  make_binomial_heap();
+  base_type::erase(it);
+  base_type::find_max();
+}
+