Index: boost/concept/detail/has_constraints.hpp
===================================================================
--- boost/concept/detail/has_constraints.hpp	(revision 60147)
+++ boost/concept/detail/has_constraints.hpp	(working copy)
@@ -21,7 +21,7 @@
   template <class Model, void (Model::*)()>
   struct wrap_constraints {};
     
-#if BOOST_WORKAROUND(__SUNPRO_CC, <= 0x580)
+#if BOOST_WORKAROUND(__SUNPRO_CC, <= 0x580) || __CUDACC__
   // Work around the following bogus error in Sun Studio 11, by
   // turning off the has_constraints function entirely:
   //    Error: complex expression not allowed in dependent template