From 1d4dac0a50e6d99b3acce661601d09a8db831a23 Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Thu, 14 Sep 2023 17:46:11 +0200
Subject: [PATCH] fixed voronoi crash on clearmemory -- might need better fix

---
 cell.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cell.cpp b/cell.cpp
index 8e7b162f..993bcbf4 100644
--- a/cell.cpp
+++ b/cell.cpp
@@ -671,7 +671,7 @@ EX void clearfrom(heptagon *at) {
 //  if(q.size() > maxq) maxq = q.size();
     q.pop();
     DEBB(DF_MEMORY, ("from %p", at));
-    if(!at->c7) {
+    if(!at->c7 && !ls::voronoi_structure()) {
       heptagon *h = dynamic_cast<heptagon*> ((cdata_or_heptagon*) at->cdata);
       if(h) {
         if(h->alt != at) { DEBB(DF_MEMORY | DF_ERROR, ("alt error :: h->alt = ", h->alt, " expected ", at)); }