--- gcc/tree.c	2010-04-02 00:18:08 +0800 revert some code to gcc-4.5-20090521, don't emit exported inline functions
+++ gcc/tree-2.c	2010-05-14 22:56:44 +0800
@@ -5377,11 +5377,6 @@
       if (*no_add_attrs == false)
         DECL_DLLIMPORT_P (node) = 1;
     }
-  else if (TREE_CODE (node) == FUNCTION_DECL
-	   && DECL_DECLARED_INLINE_P (node))
-    /* An exported function, even if inline, must be emitted.  */
-    DECL_EXTERNAL (node) = 0;
-
   /*  Report error if symbol is not accessible at global scope.  */
   if (!TREE_PUBLIC (node)
       && (TREE_CODE (node) == VAR_DECL
--- gcc/cp/decl2.c	2010-03-24 06:29:54 +0800
+++ gcc/cp/decl2-2.c	2010-05-14 23:00:42 +0800
@@ -1782,10 +1782,6 @@
       || (DECL_ASSEMBLER_NAME_SET_P (decl)
 	  && TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (decl))))
       return true;
-  /* Functions marked "dllexport" must be emitted so that they are
-     visible to other DLLs.  */
-  if (lookup_attribute ("dllexport", DECL_ATTRIBUTES (decl)))
-    return true;
   /* Otherwise, DECL does not need to be emitted -- yet.  A subsequent
      reference to DECL might cause it to be emitted later.  */
   return false;
--- gcc/cp/semantics.c	2010-04-02 02:48:34 +0800
+++ gcc/cp/semantics-2.c	2010-05-14 23:14:04 +0800
@@ -3447,10 +3447,8 @@
 
       /* If the user wants us to keep all inline functions, then mark
 	 this function as needed so that finish_file will make sure to
-	 output it later.  Similarly, all dllexport'd functions must
-	 be emitted; there may be callers in other DLLs.  */
-      if ((flag_keep_inline_functions && DECL_DECLARED_INLINE_P (fn))
-	  || lookup_attribute ("dllexport", DECL_ATTRIBUTES (fn)))
+	 output it later.  */
+      if (flag_keep_inline_functions && DECL_DECLARED_INLINE_P (fn))
 	mark_needed (fn);
     }