From 77ba0c6f986d41fecdd7ed63bd609127a98058fc Mon Sep 17 00:00:00 2001
From: "H. Peter Anvin" <hpa@zytor.com>
Date: Tue, 14 May 2002 03:18:53 +0000
Subject: [PATCH] Fix from Ed Beroset for unterminated %macro directive ->
 coredump

---
 preproc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/preproc.c b/preproc.c
index cba80e9..4fad1c1 100644
--- a/preproc.c
+++ b/preproc.c
@@ -4010,14 +4010,14 @@ error(int severity, char *fmt, ...)
     char buff[1024];
 
     /* If we're in a dead branch of IF or something like it, ignore the error */
-    if (istk->conds && !emitting(istk->conds->state))
+    if (istk && istk->conds && !emitting(istk->conds->state))
 	return;
 
     va_start(arg, fmt);
     vsprintf(buff, fmt, arg);
     va_end(arg);
 
-    if (istk->mstk && istk->mstk->name)
+    if (istk && istk->mstk && istk->mstk->name)
 	__error(severity | ERR_PASS1, "(%s:%d) %s", istk->mstk->name,
 		istk->mstk->lineno, buff);
     else
-- 
2.7.4