Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 51 insertions, 0 deletions

diff --git a/src/boost/libs/proto/test/bug2407.cpp b/src/boost/libs/proto/test/bug2407.cpp
new file mode 100644
index 00000000..c67bd55c
--- /dev/null
+++ b/src/boost/libs/proto/test/bug2407.cpp
@@ -0,0 +1,51 @@
+///////////////////////////////////////////////////////////////////////////////
+// bug2407.hpp
+//
+//  Copyright 2008 Eric Niebler. 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 <iostream>
+#include <boost/proto/proto.hpp>
+
+namespace mpl = boost::mpl;
+namespace proto = boost::proto;
+using proto::_;
+
+template<class E>
+struct e;
+
+struct g
+  : proto::or_<
+        proto::terminal<int>
+      , proto::plus<g,g>
+    >
+{};
+
+struct d
+  : proto::domain<proto::generator<e>, g>
+{};
+
+template<class E>
+struct e
+  : proto::extends<E, e<E>, d>
+{
+    BOOST_MPL_ASSERT((proto::matches<E, g>));
+
+    e(E const &x = E())
+      : proto::extends<E, e<E>, d>(x)
+    {}
+};
+
+e<proto::terminal<int>::type> i;
+
+template<class E>
+std::ostream &operator<<(std::ostream &sout, e<E> const &x)
+{
+    return sout;
+}
+
+int main()
+{
+    std::cout << (i+i);
+}