From f5653af39221c281c0d686f094d0a6099d05fd8d Mon Sep 17 00:00:00 2001
From: Joakim Hove <joakim.hove@gmail.com>
Date: Tue, 5 Jan 2021 11:08:00 +0100
Subject: [PATCH] Output typeid(T).name() for types without packing support

---
 opm/simulators/utils/ParallelRestart.hpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/opm/simulators/utils/ParallelRestart.hpp b/opm/simulators/utils/ParallelRestart.hpp
index aad0ce9be..fe8421860 100644
--- a/opm/simulators/utils/ParallelRestart.hpp
+++ b/opm/simulators/utils/ParallelRestart.hpp
@@ -34,7 +34,9 @@
 #include <optional>
 #include <map>
 #include <set>
+#include <string>
 #include <tuple>
+#include <typeinfo>
 #include <unordered_map>
 #include <vector>
 
@@ -58,7 +60,8 @@ template<class T>
 std::size_t packSize(const T&, Dune::MPIHelper::MPICommunicator,
                      std::integral_constant<bool, false>)
 {
-    OPM_THROW(std::logic_error, "Packing not (yet) supported for this non-pod type.");
+    std::string msg = std::string{"Packing not (yet) supported for non-pod type: "} + typeid(T).name();
+    OPM_THROW(std::logic_error, msg);
 }
 
 template<class T>