* call.c (standard_conversion): Handle A* -> const A* properly.

From-SVN: r18718

gcc/cp/ChangeLog

 Thu Mar 19 11:51:58 1998  Jason Merrill  <jason@yorick.cygnus.com>
 
+	* call.c (standard_conversion): Handle A* -> const A* properly.
+
 	* pt.c (get_bindings_real): Rename from get_bindings.  Add 
 	check_rettype parm.
 	(get_bindings): Pass 1.

gcc/cp/call.c

@@ -782,8 +782,11 @@ standard_conversion (to, from, expr)
       enum tree_code ufcode = TREE_CODE (TREE_TYPE (from));
       enum tree_code utcode = TREE_CODE (TREE_TYPE (to));
 
-      if (utcode == VOID_TYPE && ufcode != OFFSET_TYPE
-	  && ufcode != FUNCTION_TYPE)
+      if (comptypes (TYPE_MAIN_VARIANT (TREE_TYPE (from)),
+		     TYPE_MAIN_VARIANT (TREE_TYPE (to)), 1))
+	;
+      else if (utcode == VOID_TYPE && ufcode != OFFSET_TYPE
+	       && ufcode != FUNCTION_TYPE)
 	{
 	  from = build_pointer_type
 	    (cp_build_type_variant (void_type_node,