From: "H dot  J dot  Lu" <hjl at lucon dot org>
Subject: PATCH: PR 19664: Don't change visibility if set by user

This patch may fix visibility push(default)/pop. When visibility
has been set by user, we shouldn't change it.


2005-02-03  H.J. Lu  <hongjiu.lu@intel.com>

	PR C++/19664
	* decl2.c (determine_visibility): Don't set visibility to
	hidden if it has been set explicitly by user.

--- gcc-4.0.0/gcc/cp/decl2.c.orig	2005-04-05 17:38:09.000000000 +0200
+++ gcc-4.0.0/gcc/cp/decl2.c	2005-05-05 00:41:14.000000000 +0200
@@ -1636,8 +1636,12 @@
 	       && DECL_DECLARED_INLINE_P (decl)
 	       && visibility_options.inlines_hidden)
 	{
-	  DECL_VISIBILITY (decl) = VISIBILITY_HIDDEN;
-	  DECL_VISIBILITY_SPECIFIED (decl) = 1;
+	  /* Don't change it if it has been set explicitly by user.  */
+	  if (!DECL_VISIBILITY_SPECIFIED (decl))
+	    {
+	      DECL_VISIBILITY (decl) = VISIBILITY_HIDDEN;
+	      DECL_VISIBILITY_SPECIFIED (decl) = 1;
+	    }
 	}
       else if (CLASSTYPE_VISIBILITY_SPECIFIED (class_type))
 	{