From 7729f1e0a37a8d8ce3156d08f6f849c463b38571 Mon Sep 17 00:00:00 2001
From: Daniel Arndt <arndtd@ornl.gov>
Date: Thu, 4 Jun 2020 22:40:46 -0400
Subject: [PATCH] Avoid use-after-scope when calling MappinQCache::initialize
 multiply

---
 source/fe/mapping_q_cache.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/source/fe/mapping_q_cache.cc b/source/fe/mapping_q_cache.cc
index 8af4eb2b07..96271efab4 100644
--- a/source/fe/mapping_q_cache.cc
+++ b/source/fe/mapping_q_cache.cc
@@ -94,6 +94,7 @@ MappingQCache<dim, spacedim>::initialize(
     const typename Triangulation<dim, spacedim>::cell_iterator &)>
     &compute_points_on_cell)
 {
+  clear_signal.disconnect();
   clear_signal = triangulation.signals.any_change.connect(
     [&]() -> void { this->support_point_cache.reset(); });
 
-- 
2.39.5