From 178e7549ce46eca8b6299799da6825ea120ea078 Mon Sep 17 00:00:00 2001
From: Douglas Gregor <doug.gregor@gmail.com>
Date: Fri, 2 Jun 2006 15:01:19 +0000
Subject: [PATCH] Work around GCC 3.3 bug

[SVN r34134]
---
 include/boost/concept_check.hpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/boost/concept_check.hpp b/include/boost/concept_check.hpp
index 73058dc..5b5c18f 100644
--- a/include/boost/concept_check.hpp
+++ b/include/boost/concept_check.hpp
@@ -126,6 +126,10 @@ namespace boost
 
   BOOST_concept(Assignable,(TT))
   {
+#if BOOST_WORKAROUND(__GNUC__, <= 3)
+    Assignable() { }
+#endif
+
     ~Assignable() {
 #if !defined(_ITERATOR_) // back_insert_iterator broken for VC++ STL
       a = a;              // require assignment operator