From c77da6a6da668eebb5e2ededf14b2e9ad35c9424 Mon Sep 17 00:00:00 2001
From: Stephen Kelly <steveire@gmail.com>
Date: Sat, 12 Oct 2013 10:32:40 +0000
Subject: [PATCH] MPL: Limit a GCC workaround to a version tested to not need
 it.

[SVN r86261]
---
 include/boost/mpl/quote.hpp | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/include/boost/mpl/quote.hpp b/include/boost/mpl/quote.hpp
index 0db9304..2c8eae6 100644
--- a/include/boost/mpl/quote.hpp
+++ b/include/boost/mpl/quote.hpp
@@ -61,19 +61,22 @@ namespace boost { namespace mpl {
 
 template< typename T, bool has_type_ >
 struct quote_impl
-// GCC has a problem with metafunction forwarding when T is a
-// specialization of a template called 'type'.
-# if BOOST_WORKAROUND(__GNUC__, BOOST_TESTED_AT(4)) \
-    && BOOST_WORKAROUND(__GNUC_MINOR__, BOOST_TESTED_AT(0)) \
-    && BOOST_WORKAROUND(__GNUC_PATCHLEVEL__, BOOST_TESTED_AT(2))
+// GCC had a problem with metafunction forwarding when T is a
+// specialization of a template called 'type'. It is unknown which release
+// fixed this, but it was previously tested to be broken with GCC 4.0.2.
+// It certainly works with 4.6.4 and has not been tested with intermediate
+// versions.
+# if BOOST_WORKAROUND(__GNUC__, <= 4) \
+    && BOOST_WORKAROUND(__GNUC_MINOR__, <= 6) \
+    && BOOST_WORKAROUND(__GNUC_PATCHLEVEL__, <= 4)
 {
     typedef typename T::type type;
 };
-# else 
+# else
     : T
 {
 };
-# endif 
+# endif
 
 template< typename T >
 struct quote_impl<T,false>