From 96cd8b3420def364d990e5547cf33d3b62b9799c Mon Sep 17 00:00:00 2001
From: ceriel <devnull@localhost>
Date: Thu, 2 Aug 1990 16:01:21 +0000
Subject: [PATCH] don't throw away pseudo's, even if they are not reachable

---
 util/opt/flow.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/util/opt/flow.c b/util/opt/flow.c
index afe1091a..5dd3688a 100644
--- a/util/opt/flow.c
+++ b/util/opt/flow.c
@@ -121,6 +121,11 @@ cleaninstrs() {
 			if (instr == op_lab) {
 				lp->l_a.la_np->n_line = 0;
 			}
+			else if (instr > sp_lmnem) {
+				/* leave pseudo's */
+				lpp = &lp->l_next;
+				continue;
+			}
 			lp = lp->l_next;
 			oldline(*lpp);
 			OPTIM(O_UNREACH);