Release Engine before unregistering core types

main/main.cpp

@@ -830,13 +830,15 @@ void Main::test_cleanup() {
 	if (globals) {
 		memdelete(globals);
 	}
-	if (engine) {
-		memdelete(engine);
-	}
 
 	unregister_core_driver_types();
 	unregister_core_extensions();
 	uninitialize_modules(MODULE_INITIALIZATION_LEVEL_CORE);
+
+	if (engine) {
+		memdelete(engine);
+	}
+
 	unregister_core_types();
 
 	OS::get_singleton()->finalize_core();
@@ -2482,15 +2484,17 @@ error:
 	if (globals) {
 		memdelete(globals);
 	}
-	if (engine) {
-		memdelete(engine);
-	}
 	if (packed_data) {
 		memdelete(packed_data);
 	}
 
 	unregister_core_driver_types();
 	unregister_core_extensions();
+
+	if (engine) {
+		memdelete(engine);
+	}
+
 	unregister_core_types();
 
 	OS::get_singleton()->_cmdline.clear();
@@ -4339,12 +4343,13 @@ void Main::cleanup(bool p_force) {
 	unregister_core_driver_types();
 	unregister_core_extensions();
 	uninitialize_modules(MODULE_INITIALIZATION_LEVEL_CORE);
-	unregister_core_types();
 
 	if (engine) {
 		memdelete(engine);
 	}
 
+	unregister_core_types();
+
 	OS::get_singleton()->benchmark_end_measure("Shutdown", "Total");
 	OS::get_singleton()->benchmark_dump();