From f33f8ea756aee9ec2827bf971a9717fa45567834 Mon Sep 17 00:00:00 2001
From: Matthias Koefferlein <matthias@klayout.de>
Date: Fri, 3 Apr 2026 11:30:34 +0200
Subject: [PATCH] Fixing Layout::cleanup - was missing an update to establish
 proper cell parent relationships

---
 src/db/db/dbLayout.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/db/db/dbLayout.cc b/src/db/db/dbLayout.cc
index 977aa82f7..fb9cbbc04 100644
--- a/src/db/db/dbLayout.cc
+++ b/src/db/db/dbLayout.cc
@@ -1742,6 +1742,7 @@ Layout::cleanup (const std::set<db::cell_index_type> &keep)
   //  The latter is good for LVS for example.
 
   {
+    update();
     db::LayoutLocker locker (this);
 
     //  join library proxies pointing to the same object