From 14f0328aa18b6aeb8b74dc6f73369a992d04ff30 Mon Sep 17 00:00:00 2001
From: "H. Peter Anvin" <hpa@zytor.com>
Date: Thu, 12 Sep 2019 18:34:14 -0700
Subject: eval: don't try to poke *opflags if opflags is NULL

While changing this code around to not do redundant lookups, dropped
this NULL pointer check. Oops.

Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
---
 asm/eval.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/asm/eval.c b/asm/eval.c
index c99ee11c..0dd7e61a 100644
--- a/asm/eval.c
+++ b/asm/eval.c
@@ -988,7 +988,8 @@ static expr *expr6(void)
                     label_seg = NO_SEG;
                     label_ofs = 1;
                 } else if (is_extern(ltype)) {
-                    *opflags |= OPFLAG_EXTERN;
+                    if (opflags)
+                        *opflags |= OPFLAG_EXTERN;
                 }
             }
             addtotemp(type, label_ofs);
-- 
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