From b54a3c9da41f8d384f1ff1c02e8edc3a39afeabb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=BCdiger=20Franke?= <rdgfranke@gmail.com>
Date: Fri, 2 Mar 2018 06:58:48 +0100
Subject: [PATCH] Safeguard possible repeated finalization of Cpp logger

Belonging to [master]:
  - OpenModelica/OMCompiler#2247
---
 SimulationRuntime/cpp/Core/Utils/extension/logger.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/SimulationRuntime/cpp/Core/Utils/extension/logger.cpp b/SimulationRuntime/cpp/Core/Utils/extension/logger.cpp
index 3ee0f98b6f..283f7a1800 100644
--- a/SimulationRuntime/cpp/Core/Utils/extension/logger.cpp
+++ b/SimulationRuntime/cpp/Core/Utils/extension/logger.cpp
@@ -40,6 +40,7 @@ void Logger::finalize()
 {
   if (_instance != NULL)
     delete _instance;
+  _instance = NULL;
 }
 
 void Logger::writeInternal(std::string msg, LogCategory cat, LogLevel lvl,