diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 173fda9830b..2af5ff5682d 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2013-09-03  Jan Hubicka  <jh@suse.cz>
+
+	* tree-profile.c (tree_profiling): Cleanup CFG when done.
+
 2013-09-03  Alan Modra  <amodra@gmail.com>
 
 	* config.gcc (powerpc*-*-linux*): Add support for little-endian
diff --git a/gcc/tree-profile.c b/gcc/tree-profile.c
index c9925371839..dd164b53a74 100644
--- a/gcc/tree-profile.c
+++ b/gcc/tree-profile.c
@@ -598,6 +598,8 @@ tree_profiling (void)
 	    }
 	}
 
+      /* re-merge split blocks.  */
+      cleanup_tree_cfg ();
       update_ssa (TODO_update_ssa);
 
       rebuild_cgraph_edges ();