[Bug c++/45605] Missed devirtualization

[rguenth at gcc dot gnu dot org]

------- Comment #15 from rguenth at gcc dot gnu dot org  2010-09-16 14:55 
-------
Like

Index: gimplify.c
===================================================================
--- gimplify.c  (revision 164333)
+++ gimplify.c  (working copy)
@@ -2477,10 +2477,13 @@ gimplify_call_expr (tree *expr_p, gimple
      gimplify_modify_expr.  */
   if (!want_value)
     {
+      gimple_stmt_iterator gsi;
       /* The CALL_EXPR in *EXPR_P is already in GIMPLE form, so all we
         have to do is replicate it as a GIMPLE_CALL tuple.  */
       call = gimple_build_call_from_tree (*expr_p);
       gimplify_seq_add_stmt (pre_p, call);
+      gsi = gsi_last (*pre_p);
+      fold_stmt (&gsi);
       *expr_p = NULL_TREE;
     }


but gimple_fold_obj_type_ref_known_binfo returns NULL.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45605