From bbcfff027842576b6a1e712c33d66271ba9d1190 Mon Sep 17 00:00:00 2001
From: jzmaddock <jzmaddock@gmail.com>
Date: Sat, 23 Aug 2014 13:26:15 +0100
Subject: [PATCH] Fix clang is_convertible test failure - we don't need to
 check for abstract targets as clang does the right thing.

---
 include/boost/type_traits/intrinsics.hpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/include/boost/type_traits/intrinsics.hpp b/include/boost/type_traits/intrinsics.hpp
index b5f1e08..8bccb6f 100644
--- a/include/boost/type_traits/intrinsics.hpp
+++ b/include/boost/type_traits/intrinsics.hpp
@@ -181,8 +181,7 @@
 #     define BOOST_IS_CLASS(T) __is_class(T)
 #   endif
 #   if __has_feature(is_convertible_to)
-#     include <boost/type_traits/is_abstract.hpp>
-#     define BOOST_IS_CONVERTIBLE(T,U) (__is_convertible_to(T,U) && !::boost::is_abstract<U>::value)
+#     define BOOST_IS_CONVERTIBLE(T,U) __is_convertible_to(T,U)
 #   endif
 #   if __has_feature(is_enum)
 #     define BOOST_IS_ENUM(T) __is_enum(T)