Fix the problems described in this thread:

http://lists.boost.org/MailArchives/boost-users/msg08656.php


[SVN r26410]

test/Jamfile

@@ -38,6 +38,8 @@ test-suite iterator
     [ compile iterator_archetype_cc.cpp ]
     [ compile-fail iter_archetype_default_ctor.cpp ]
     [ compile-fail lvalue_concept_fail.cpp ]
+    [ compile constant_iterator_arrow.cpp ]
+    [ compile-fail constant_iterator_arrow_fail.cpp ]
     [ run transform_iterator_test.cpp ]
     [ run indirect_iterator_test.cpp ]
     [ compile indirect_iter_member_types.cpp ]

test/constant_iterator_arrow.cpp

@@ -0,0 +1,16 @@
+// Copyright David Abrahams 2004. Distributed under the Boost
+// Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/iterator/iterator_adaptor.hpp>
+#include <utility>
+
+struct my_iter : boost::iterator_adaptor<my_iter, std::pair<int,int> const*>
+{
+    my_iter(std::pair<int,int> const*);
+    my_iter();
+};
+
+std::pair<int,int> const x(1,1);
+my_iter p(&x);
+int y = p->first; // operator-> attempts to return an non-const pointer

test/constant_iterator_arrow_fail.cpp

@@ -0,0 +1,20 @@
+// Copyright David Abrahams 2004. Distributed under the Boost
+// Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/iterator/iterator_adaptor.hpp>
+#include <utility>
+
+struct my_iter : boost::iterator_adaptor<my_iter, std::pair<int,int> const*>
+{
+    my_iter(std::pair<int,int> const*);
+    my_iter();
+};
+
+std::pair<int,int> const x(1,1);
+my_iter p(&x);
+
+void test()
+{
+    p->first = 3;
+}