From 6b8c79c488dff179208bd093a20165560ff4847b Mon Sep 17 00:00:00 2001
From: Matthias Koefferlein <matthias@klayout.de>
Date: Thu, 22 May 2025 18:50:25 +0200
Subject: [PATCH] Fixed a segfault (thanks, Martin\!)

---
 src/db/db/dbPLC.cc | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/db/db/dbPLC.cc b/src/db/db/dbPLC.cc
index 8f7c650a5..07b7b8fa5 100644
--- a/src/db/db/dbPLC.cc
+++ b/src/db/db/dbPLC.cc
@@ -459,10 +459,11 @@ Polygon::init ()
 
     auto i = v2e.find (v);
     tl_assert (i != v2e.end () && i->first == v && i->second != mp_e.back ());
-    v2e.erase (i);
     mp_e.push_back (i->second);
-
     v = i->second->other (v);
+
+    v2e.erase (i);
+
     i = v2e.find (v);
     while (i != v2e.end () && i->first == v) {
       if (i->second == mp_e.back ()) {