diff --git a/contrib/elftoolchain/nm/nm.c b/contrib/elftoolchain/nm/nm.c
index 637cdd9..c5657b5 100644
--- a/contrib/elftoolchain/nm/nm.c
+++ b/contrib/elftoolchain/nm/nm.c
@@ -375,21 +375,21 @@ cmp_value(const void *lp, const void *rp)
 	assert(l_is_undef + r_is_undef <= 2);

 	switch (l_is_undef + r_is_undef) {
-	case 0:
-		/* Both defined */
-		if (l->sym->st_value == r->sym->st_value)
-			return (strcmp(l->name, r->name));
-		return (l->sym->st_value - r->sym->st_value);
 	case 1:
 		/* One undefined */
 		return (l_is_undef == 0 ? 1 : -1);
 	case 2:
 		/* Both undefined */
 		return (strcmp(l->name, r->name));
+	default:
+		break;
 	}
-	/* NOTREACHED */

-	return (l->sym->st_value - r->sym->st_value);
+	assert(l_is_undef + r_is_undef == 0);
+	/* Both defined */
+	if (l->sym->st_value == r->sym->st_value)
+		return (strcmp(l->name, r->name));
+	return ((l->sym->st_value > r->sym->st_value) ? 1 : -1);
 }

 static void