diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 10efd25acc4..91dafe26921 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,8 @@
+2000-01-20  Brad Lucier  <lucier@math.purdue.edu>
+
+	* class.c (dump_class_hierarchy): Make format agree with argument;
+	cast pointer to unsigned long and print with %lx.
+	
 2000-01-19  Gabriel Dos Reis  <gdr@codesourcery>
 
 	* decl2.c (lang_decode_option): Set default line-wrap length to 72.
diff --git a/gcc/cp/class.c b/gcc/cp/class.c
index 91d41ae63ff..3be8b1be342 100644
--- a/gcc/cp/class.c
+++ b/gcc/cp/class.c
@@ -6297,8 +6297,8 @@ dump_class_hierarchy (binfo, indent)
 {
   int i;
 
-  fprintf (stderr, "%*s0x%x (%s) %d %s\n", indent, "",
-	   (unsigned int) binfo,
+  fprintf (stderr, "%*s0x%lx (%s) %d %s\n", indent, "",
+	   (unsigned long) binfo,
 	   type_as_string (binfo, TS_PLAIN),
 	   TREE_INT_CST_LOW (BINFO_OFFSET (binfo)),
 	   BINFO_PRIMARY_MARKED_P (binfo) ? "primary" : "");