From 829f4fd8ab6804a7cbd1fa5d393498f855f3fc97 Mon Sep 17 00:00:00 2001
From: John Maddock <john@johnmaddock.co.uk>
Date: Tue, 26 Apr 2011 08:12:27 +0000
Subject: [PATCH] Suppress msvc warning. Fixes #5504.

[SVN r71496]
---
 include/boost/regex/pending/unicode_iterator.hpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/boost/regex/pending/unicode_iterator.hpp b/include/boost/regex/pending/unicode_iterator.hpp
index 657ca0a4..a8faefd5 100644
--- a/include/boost/regex/pending/unicode_iterator.hpp
+++ b/include/boost/regex/pending/unicode_iterator.hpp
@@ -113,6 +113,10 @@ inline unsigned utf8_trailing_byte_count(boost::uint8_t c)
    return utf8_byte_count(c) - 1;
 }
 
+#ifdef BOOST_MSVC
+#pragma warning(push)
+#pragma warning(disable:4100)
+#endif
 inline void invalid_utf32_code_point(::boost::uint32_t val)
 {
 #ifndef BOOST_NO_STD_LOCALE
@@ -124,6 +128,9 @@ inline void invalid_utf32_code_point(::boost::uint32_t val)
 #endif
    boost::throw_exception(e);
 }
+#ifdef BOOST_MSVC
+#pragma warning(pop)
+#endif
 
 
 } // namespace detail