From 0d2865b3159df8b072091bd152a1d45da4a2643c Mon Sep 17 00:00:00 2001
From: Jan Nieuwenhuizen <janneke@gnu.org>
Date: Thu, 24 Oct 2019 21:20:17 +0200
Subject: [PATCH] core: xassq: Prepare for M2-Planet.

* src/lib.c (xassq): Prepare for M2-Planet.
---
 src/lib.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/lib.c b/src/lib.c
index 34f12448..d367d507 100644
--- a/src/lib.c
+++ b/src/lib.c
@@ -112,10 +112,12 @@ stack_ref (SCM stack, SCM index)
 SCM
 xassq (SCM x, SCM a)            /* For speed in core. */
 {
-  while (a != cell_nil && x != CDAR (a))
-    a = CDR (a);
-  if (a != cell_nil)
-    return CAR (a);
+  while (a != cell_nil)
+    {
+      if (x == CDAR (a))
+        return CAR (a);
+      a = CDR (a);
+    }
   return cell_f;
 }