From 5380ae4768a9824fba5751a76f4b5a180d5fb052 Mon Sep 17 00:00:00 2001
From: ceriel <none@none>
Date: Wed, 4 Mar 1987 10:34:57 +0000
Subject: [PATCH] Set "saveemp" before calling compute. compute might need it.

---
 mach/proto/ncg/nextem.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/mach/proto/ncg/nextem.c b/mach/proto/ncg/nextem.c
index 6f9383176..087401ead 100644
--- a/mach/proto/ncg/nextem.c
+++ b/mach/proto/ncg/nextem.c
@@ -62,9 +62,14 @@ byte *trypat(bp,len) register byte *bp; {
 		}
 	getint(i,bp);
 	if (i!=0) {
+		struct emline *svp = saveemp;
+
+		saveemp = emp;
 		result = compute(&enodes[i]);
-		if (result.e_typ != EV_INT || result.e_v.e_con == 0)
+		if (result.e_typ != EV_INT || result.e_v.e_con == 0) {
+			saveemp = svp;
 			return(0);
+		}
 	}
 #ifndef NDEBUG
 	if (Debug) {
-- 
2.34.1