From: Matt Armstrong <matt@rfc20.org>
Date: Wed, 12 Oct 2022 03:19:16 +0000 (-0700)
Subject: ; * src/itree.c (check_subtree): fix logical error in eassert
X-Git-Tag: emacs-29.0.90~1616^2~406^2~15
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=65a7b5a802a15daa6274403fef822ec3c9b95469;p=emacs.git

; * src/itree.c (check_subtree): fix logical error in eassert
---

diff --git a/src/itree.c b/src/itree.c
index deef0335cfd..1728a8ab3a1 100644
--- a/src/itree.c
+++ b/src/itree.c
@@ -277,7 +277,7 @@ check_subtree (struct interval_node *node,
   if (check_red_black_invariants)
     {
       eassert (left_result.black_height == right_result.black_height);
-      eassert (node->parent != ITREE_NULL || !node->red || !node->parent->red);
+      eassert (node->parent == ITREE_NULL || !node->red || !node->parent->red);
     }
 
   result.size = 1 + left_result.size + right_result.size;