ext/boost/exception/exception.hpp in passenger-3.0.21 vs ext/boost/exception/exception.hpp in passenger-3.9.1.beta

@@ -130,11 +130,21 @@
             v_(v)
             {
             }
         };
 
+#if defined(__GNUC__)
+# if (__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)
+#  pragma GCC visibility push (default)
+# endif
+#endif
     class exception;
+#if defined(__GNUC__)
+# if (__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)
+#  pragma GCC visibility pop
+# endif
+#endif
 
     template <class T>
     class shared_ptr;
 
     namespace
@@ -187,10 +197,15 @@
 
         template <class E>
         E const & set_info( E const &, throw_line const & );
         }
 
+#if defined(__GNUC__)
+# if (__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)
+#  pragma GCC visibility push (default)
+# endif
+#endif
     class
     exception
         {
         protected:
 
@@ -248,10 +263,15 @@
         mutable exception_detail::refcount_ptr<exception_detail::error_info_container> data_;
         mutable char const * throw_function_;
         mutable char const * throw_file_;
         mutable int throw_line_;
         };
+#if defined(__GNUC__)
+# if (__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)
+#  pragma GCC visibility pop
+# endif
+#endif
 
     inline
     exception::
     ~exception() throw()
         {
@@ -332,10 +352,10 @@
 
         template <class T>
         struct
         enable_error_info_return_type
             {
-            typedef typename enable_error_info_helper<T,sizeof(exception_detail::dispatch_boost_exception((T*)0))>::type type;
+            typedef typename enable_error_info_helper<T,sizeof(exception_detail::dispatch_boost_exception(static_cast<T *>(0)))>::type type;
             };
         }
 
     template <class T>
     inline