Merge dataflow branch into mainline

[pf3gnuchains/gcc-fork.git] / gcc / dominance.c

diff --git a/gcc/dominance.c b/gcc/dominance.c
index 3ad0d20..6fa765c 100644 (file)
--- a/gcc/dominance.c
+++ b/gcc/dominance.c
@@ -1,5 +1,5 @@
 /* Calculate (post)dominators in slightly super-linear time.
-   Copyright (C) 2000, 2003, 2004, 2005 Free Software Foundation, Inc.
+   Copyright (C) 2000, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
    Contributed by Michael Matz (matz@ifh.de).
 
    This file is part of GCC.
@@ -152,6 +152,7 @@ static unsigned n_bbs_in_dom_tree[2];
 static void
 init_dom_info (struct dom_info *di, enum cdi_direction dir)
 {
+  /* We need memory for n_basic_blocks nodes.  */
   unsigned int num = n_basic_blocks;
   init_ar (di->dfs_parent, TBB, num, 0);
   init_ar (di->path_min, TBB, num, i);