From da8fe765fde98b008b86cd7fc9bb1542eae8fc63 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Joaqu=C3=ADn=20M=20L=C3=B3pez=20Mu=C3=B1oz?=
 <joaquin@tid.es>
Date: Mon, 13 Apr 2009 15:32:42 +0000
Subject: [PATCH] suppressed spurious MSVC warning

[SVN r52371]
---
 include/boost/detail/allocator_utilities.hpp | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/include/boost/detail/allocator_utilities.hpp b/include/boost/detail/allocator_utilities.hpp
index 6453af0..5d6ef48 100644
--- a/include/boost/detail/allocator_utilities.hpp
+++ b/include/boost/detail/allocator_utilities.hpp
@@ -1,4 +1,4 @@
-/* Copyright 2003-2008 Joaquin M Lopez Munoz.
+/* Copyright 2003-2009 Joaquin M Lopez Munoz.
  * 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)
@@ -178,6 +178,15 @@ void construct(void* p,const Type& t)
   new (p) Type(t);
 }
 
+#if BOOST_WORKAROUND(BOOST_MSVC,BOOST_TESTED_AT(1500))
+/* MSVC++ issues spurious warnings about unreferencend formal parameters
+ * in destroy<Type> when Type is a class with trivial dtor.
+ */
+
+#pragma warning(push)
+#pragma warning(disable:4100)  
+#endif
+
 template<typename Type>
 void destroy(const Type* p)
 {
@@ -190,6 +199,10 @@ void destroy(const Type* p)
 
 }
 
+#if BOOST_WORKAROUND(BOOST_MSVC,BOOST_TESTED_AT(1500))
+#pragma warning(pop)
+#endif
+
 } /* namespace boost::detail::allocator */
 
 } /* namespace boost::detail */