From d1580f67dfd21420e2b813dba4b682602f0c8973 Mon Sep 17 00:00:00 2001
From: bubnikv <bubnikv@gmail.com>
Date: Wed, 18 Apr 2018 18:57:34 +0200
Subject: [PATCH] Fix of the previous commit. Once the Slic3r::GUI::Tab was
 rewritten from Ref<TabIface> to TabIface*, Perl takes ownership and the Tab
 is being incorrectly deleted by the background threads.

---
 lib/Slic3r.pm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/Slic3r.pm b/lib/Slic3r.pm
index e55e24a7ad..5e91f56ce6 100644
--- a/lib/Slic3r.pm
+++ b/lib/Slic3r.pm
@@ -162,6 +162,7 @@ sub thread_cleanup {
     *Slic3r::TriangleMesh::DESTROY          = sub {};
     *Slic3r::GUI::AppConfig::DESTROY        = sub {};
     *Slic3r::GUI::PresetBundle::DESTROY     = sub {};
+    *Slic3r::GUI::Tab::DESTROY              = sub {};
     return undef;  # this prevents a "Scalars leaked" warning
 }