Free TYPE_VFIELD in free_lang_data

[Jan Hubicka]

Hi,
this patch frees TYPE_VFIELD which is used only for debug info generation.
Bootstrapped/regtested x86_64-linux, OK?

Honza

        * tree.c (free_lang_data_in_type): Free all TYPE_VFIELDs.
Index: tree.c
===================================================================
--- tree.c      (revision 261841)
+++ tree.c      (working copy)
@@ -5134,10 +5134,7 @@ free_lang_data_in_type (tree type)
        else
          *prev = DECL_CHAIN (member);
 
-      /* FIXME: C FE uses TYPE_VFIELD to record C_TYPE_INCOMPLETE_VARS
-        and danagle the pointer from time to time.  */
-      if (TYPE_VFIELD (type) && TREE_CODE (TYPE_VFIELD (type)) != FIELD_DECL)
-        TYPE_VFIELD (type) = NULL_TREE;
+      TYPE_VFIELD (type) = NULL_TREE;
 
       if (TYPE_BINFO (type))
        {