From 05045f5be7c2f04b8b3ed3b7c5e8f7d2df67c80b Mon Sep 17 00:00:00 2001
From: Fernando Cacciola <fernando.cacciola@gmail.com>
Date: Tue, 27 Jan 2004 13:46:50 +0000
Subject: [PATCH] Fixed overload resolution problem with operator= in bcc5.6.4

[SVN r21999]
---
 include/boost/optional.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/boost/optional.hpp b/include/boost/optional.hpp
index 69317ad..21d52d8 100644
--- a/include/boost/optional.hpp
+++ b/include/boost/optional.hpp
@@ -426,7 +426,7 @@ class optional : public optional_detail::optional_base<T>
     // No-throw (assuming T::~T() doesn't)
     ~optional() {}
 
-#ifndef BOOST_OPTIONAL_NO_INPLACE_FACTORY_SUPPORT
+#if !defined(BOOST_OPTIONAL_NO_INPLACE_FACTORY_SUPPORT) && !defined(BOOST_OPTIONAL_WEAK_OVERLOAD_RESOLUTION)
     // Assigns from an expression. See corresponding constructor.
     // Basic Guarantee: If the resolved T ctor throws, this is left UNINITIALIZED
     template<class Expr>