Merge branch 'push-mqkulolswxsx' into 'develop'

fix: memory freeing in memory manager

See merge request ems/astdm/modeling.dram/dram.sys.5!151

src/libdramsys/DRAMSys/common/MemoryManager.cpp

@@ -35,6 +35,7 @@
  *    Matthias Jung
  *    Lukas Steiner
  *    Derek Christ
+ *    Thomas Zimmermann
  */
 
 #include "MemoryManager.h"
@@ -51,8 +52,13 @@ MemoryManager::~MemoryManager()
         while (!stack.empty())
         {
             tlm::tlm_generic_payload* payload = stack.top();
-            if (size != 0)
-                delete[] payload->get_data_ptr();
+            if (storageEnabled)
+            {
+                unsigned char* ptr = payload->get_data_ptr();
+                if (ptr != nullptr) {
+                    delete[] ptr;
+                }
+            }
 
             payload->reset();
             delete payload;