cgraphclones.c (build_function_type_skip_args): Do not make new type variant of old.

	* cgraphclones.c (build_function_type_skip_args): Do not make new
	type variant of old.

From-SVN: r215795

gcc/ChangeLog

 2014-10-01  Jan Hubicka  <hubicka@ucw.cz>
 
+	* cgraphclones.c (build_function_type_skip_args): Do not make new
+	type variant of old. 
+
+2014-10-01  Jan Hubicka  <hubicka@ucw.cz>
+
 	* ipa-prop.h (ipa_get_controlled_uses): Add hack to avoid ICE
 	when speculation is added.
 	(ipa_edge_args): Add polymorphic_call_contexts.

gcc/cgraphclones.c

@@ -177,7 +177,7 @@ build_function_type_skip_args (tree orig_type, bitmap args_to_skip,
 			       bool skip_return)
 {
   tree new_type = NULL;
-  tree args, new_args = NULL, t;
+  tree args, new_args = NULL;
   tree new_reversed;
   int i = 0;
 
@@ -218,22 +218,6 @@ build_function_type_skip_args (tree orig_type, bitmap args_to_skip,
   if (skip_return)
     TREE_TYPE (new_type) = void_type_node;
 
-  /* This is a new type, not a copy of an old type.  Need to reassociate
-     variants.  We can handle everything except the main variant lazily.  */
-  t = TYPE_MAIN_VARIANT (orig_type);
-  if (t != orig_type)
-    {
-      t = build_function_type_skip_args (t, args_to_skip, skip_return);
-      TYPE_MAIN_VARIANT (new_type) = t;
-      TYPE_NEXT_VARIANT (new_type) = TYPE_NEXT_VARIANT (t);
-      TYPE_NEXT_VARIANT (t) = new_type;
-    }
-  else
-    {
-      TYPE_MAIN_VARIANT (new_type) = new_type;
-      TYPE_NEXT_VARIANT (new_type) = NULL;
-    }
-
   return new_type;
 }