diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 7ab39ffabdd..e0b396c24f4 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,7 @@
 2002-03-24  Richard Henderson  <rth@redhat.com>
 
+	* unroll.c (unroll_loop): Zero label_map.
+
 	* gcse.c: Include except.h.
 	* Makefile.in (gcse.o): Update.
 
diff --git a/gcc/unroll.c b/gcc/unroll.c
index cc3865641f1..1047ebfb8f5 100644
--- a/gcc/unroll.c
+++ b/gcc/unroll.c
@@ -721,8 +721,7 @@ unroll_loop (loop, insn_count, strength_reduce_p)
 
   if (max_labelno > 0)
     {
-      map->label_map = (rtx *) xmalloc (max_labelno * sizeof (rtx));
-
+      map->label_map = (rtx *) xcalloc (max_labelno, sizeof (rtx));
       local_label = (char *) xcalloc (max_labelno, sizeof (char));
     }