From 0e7e7a58b7ca6ac9481273d5e4325e1d7b699ef9 Mon Sep 17 00:00:00 2001
From: Karl Heuer <kwzh@gnu.org>
Date: Tue, 11 Oct 1994 01:47:06 +0000
Subject: [PATCH] (sys_subshell): Use NILP macro directly, not its expansion. 
 Previous code was leftover from when NULL was a bad word.

---
 src/sysdep.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/sysdep.c b/src/sysdep.c
index 36527dd735b..e868bc9c499 100644
--- a/src/sysdep.c
+++ b/src/sysdep.c
@@ -677,8 +677,7 @@ sys_subshell ()
      which somehow wedges the hp compiler.  So instead...  */
 
   dir = intern ("default-directory");
-  /* Can't use NILP */
-  if (XFASTINT (Fboundp (dir)) == XFASTINT (Qnil))
+  if (NILP (Fboundp (dir)))
     goto xyzzy;
   dir = Fsymbol_value (dir);
   if (!STRINGP (dir))
-- 
2.39.5