diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index b0782ce18c9..b5ca7349f15 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,10 @@
+2010-05-18  Eelis van der Weegen  <gcc-bugzilla@contacts.eelis.net>
+
+	PR libstdc++/44190
+	* include/debug/vector (vector<>::resize): Call
+	_M_update_guaranteed_capacity.
+	* testsuite/23_containers/vector/capacity/44190.cc: New.
+
 2010-05-17  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	* include/std/functional (result_of): Move...
diff --git a/libstdc++-v3/include/debug/vector b/libstdc++-v3/include/debug/vector
index c360197fe8c..ea55b080442 100644
--- a/libstdc++-v3/include/debug/vector
+++ b/libstdc++-v3/include/debug/vector
@@ -235,6 +235,7 @@ namespace __debug
 	_Base::resize(__sz, __c);
 	if (__realloc)
 	  this->_M_invalidate_all();
+	_M_update_guaranteed_capacity();
       }
 
 #ifdef __GXX_EXPERIMENTAL_CXX0X__
diff --git a/libstdc++-v3/testsuite/23_containers/vector/capacity/44190.cc b/libstdc++-v3/testsuite/23_containers/vector/capacity/44190.cc
new file mode 100644
index 00000000000..737108b49d6
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/vector/capacity/44190.cc
@@ -0,0 +1,38 @@
+// Copyright (C) 2010 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.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+// { dg-options "-D_GLIBCXX_DEBUG_PEDANTIC" }
+
+#include <vector>
+#include <testsuite_hooks.h>
+
+// libstdc++/44190
+void test01()
+{
+  bool test __attribute__((unused)) = true;
+
+  std::vector<int> v;
+  v.resize(10);
+  VERIFY( v.size() <= v.capacity() );
+}
+
+int main()
+{
+
+  test01();
+  return 0;
+}