tree-pretty-print.c (debug_generic_expr): Add a comment about the function.

2007-08-19  Andrew Pinski  <pinskia@gmail.com>

        * tree-pretty-print.c (debug_generic_expr): Add a comment about
        the function.
        (debug_generic_stmt): Likewise.
        (debug_tree_chain): Likewise.

From-SVN: r127625

gcc/ChangeLog

+2007-08-19  Andrew Pinski  <pinskia@gmail.com>
+
+	* tree-pretty-print.c (debug_generic_expr): Add a comment about
+	the function.
+	(debug_generic_stmt): Likewise.
+	(debug_tree_chain): Likewise.
+
 2007-08-19  Dorit Nuzman  <dorit@il.ibm.com>
 
 	* tree-data-refs.c (split_constant_offset): Expose.

gcc/tree-pretty-print.c

@@ -84,6 +84,8 @@ do_niy (pretty_printer *buffer, tree node)
   pp_string (buffer, " >>>\n");
 }
 
+/* Debugging function to print out a generic expression.  */
+
 void
 debug_generic_expr (tree t)
 {
@@ -91,6 +93,8 @@ debug_generic_expr (tree t)
   fprintf (stderr, "\n");
 }
 
+/* Debugging function to print out a generic statement.  */
+
 void
 debug_generic_stmt (tree t)
 {
@@ -98,6 +102,8 @@ debug_generic_stmt (tree t)
   fprintf (stderr, "\n");
 }
 
+/* Debugging function to print out a chain of trees .  */
+
 void
 debug_tree_chain (tree t)
 {