From 6d439c8305e658264d9622e5a5daadcc950351af Mon Sep 17 00:00:00 2001
From: ceriel <devnull@localhost>
Date: Wed, 10 Nov 1993 12:58:26 +0000
Subject: [PATCH] Fix: had array bound error

---
 util/opt/flow.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/util/opt/flow.c b/util/opt/flow.c
index 1d7806e1..e54ed109 100644
--- a/util/opt/flow.c
+++ b/util/opt/flow.c
@@ -82,6 +82,7 @@ reach(lnp) register line_p lnp; {
 			else
 				np->n_jumps++;
 		}
+		if ((lnp->l_instr & BMASK) > sp_lmnem) continue;
 		if ((em_flag[(lnp->l_instr&BMASK)-sp_fmnem]&EM_FLO)==FLO_T)
 			return;
 	}