From dc272078fcfea5c0f40f988b951025dce3ee9acf Mon Sep 17 00:00:00 2001
From: scopeInfinity <gagan1kumar@ymail.com>
Date: Fri, 11 Dec 2015 20:01:01 +0530
Subject: [PATCH 1/4] [type_traits] Fixed is_complex<T> with const types.
 Ticket #11840

---
 include/boost/type_traits/is_complex.hpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/boost/type_traits/is_complex.hpp b/include/boost/type_traits/is_complex.hpp
index 08210eb..7cf04b4 100644
--- a/include/boost/type_traits/is_complex.hpp
+++ b/include/boost/type_traits/is_complex.hpp
@@ -14,6 +14,9 @@
 namespace boost {
 
    template <class T> struct is_complex : public false_type {};
+   template <class T> struct is_complex<const T > : public is_complex<T>{};
+   template <class T> struct is_complex<volatile const T > : public is_complex<T>{};
+   template <class T> struct is_complex<volatile T > : public is_complex<T>{};
    template <class T> struct is_complex<std::complex<T> > : public true_type{};
 
 } // namespace boost

From 58d70ed28b98dbadfe017ce8e5f2e75b455ea382 Mon Sep 17 00:00:00 2001
From: jzmaddock <john@johnmaddock.co.uk>
Date: Fri, 11 Dec 2015 17:32:37 +0000
Subject: [PATCH 2/4] Add tests for
 https://svn.boost.org/trac/boost/ticket/11840.

---
 test/is_complex_test.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/test/is_complex_test.cpp b/test/is_complex_test.cpp
index f47c641..2d0c2e8 100644
--- a/test/is_complex_test.cpp
+++ b/test/is_complex_test.cpp
@@ -32,6 +32,15 @@ TT_TEST_BEGIN(is_complex)
    BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_complex<std::complex<long double> >::value, true);
    BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_complex<std::complex<double> >::value, true);
    BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_complex<std::complex<float> >::value, true);
+   BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_complex<const std::complex<long double> >::value, true);
+   BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_complex<const std::complex<double> >::value, true);
+   BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_complex<const std::complex<float> >::value, true);
+   BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_complex<const volatile std::complex<long double> >::value, true);
+   BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_complex<const volatile std::complex<double> >::value, true);
+   BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_complex<const volatile std::complex<float> >::value, true);
+   BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_complex<volatile std::complex<long double> >::value, true);
+   BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_complex<volatile std::complex<double> >::value, true);
+   BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_complex<volatile std::complex<float> >::value, true);
 
 TT_TEST_END
 

From bc8a92c7b6ff76fa42d23f49f60d743f95d15798 Mon Sep 17 00:00:00 2001
From: jzmaddock <jz.maddock@gmail.com>
Date: Sat, 12 Dec 2015 13:15:34 +0000
Subject: [PATCH 3/4] Suppress use of noexcept for gcc-4.6 as it doesn't handle
 all failure cases correctly.

---
 include/boost/type_traits/is_nothrow_move_constructible.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/boost/type_traits/is_nothrow_move_constructible.hpp b/include/boost/type_traits/is_nothrow_move_constructible.hpp
index 3cbca21..ecacc82 100644
--- a/include/boost/type_traits/is_nothrow_move_constructible.hpp
+++ b/include/boost/type_traits/is_nothrow_move_constructible.hpp
@@ -25,7 +25,7 @@ struct is_nothrow_move_constructible : public integral_constant<bool, BOOST_IS_N
 template <class T> struct is_nothrow_move_constructible<volatile T> : public ::boost::false_type {};
 template <class T> struct is_nothrow_move_constructible<const volatile T> : public ::boost::false_type{};
 
-#elif !defined(BOOST_NO_CXX11_NOEXCEPT) && !defined(BOOST_NO_SFINAE_EXPR)
+#elif !defined(BOOST_NO_CXX11_NOEXCEPT) && !defined(BOOST_NO_SFINAE_EXPR) && !BOOST_WORKAROUND(BOOST_GCC_VERSION, < 40700)
 
 #include <boost/type_traits/declval.hpp>
 #include <boost/utility/enable_if.hpp>

From 08cb0bba322602372f983dfe964e2814feb296a2 Mon Sep 17 00:00:00 2001
From: jzmaddock <john@johnmaddock.co.uk>
Date: Sat, 12 Dec 2015 13:19:12 +0000
Subject: [PATCH 4/4] Add missing #include.

---
 include/boost/type_traits/is_nothrow_move_constructible.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/boost/type_traits/is_nothrow_move_constructible.hpp b/include/boost/type_traits/is_nothrow_move_constructible.hpp
index ecacc82..8f4cee2 100644
--- a/include/boost/type_traits/is_nothrow_move_constructible.hpp
+++ b/include/boost/type_traits/is_nothrow_move_constructible.hpp
@@ -14,6 +14,7 @@
 #include <boost/config.hpp>
 #include <boost/type_traits/intrinsics.hpp>
 #include <boost/type_traits/integral_constant.hpp>
+#include <boost/detail/workaround.hpp>
 
 #ifdef BOOST_IS_NOTHROW_MOVE_CONSTRUCT