From: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun, 29 Jan 2017 00:45:56 +0000 (-0800)
Subject: Add delq list arg check
X-Git-Tag: emacs-26.0.90~858^2~53
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=1056be0b3c6f7f6732bd6f31f78d3a7e1a41f2c2;p=emacs.git

Add delq list arg check

* src/fns.c (Fdelq): Check that list is a proper list.
This is more compatible with what ‘delete’ does.
---

diff --git a/src/fns.c b/src/fns.c
index 0d93f824748..136a2198c2c 100644
--- a/src/fns.c
+++ b/src/fns.c
@@ -1589,6 +1589,7 @@ argument.  */)
       else
 	prev = tail;
     }
+  CHECK_LIST_END (tail, list);
   return list;
 }