keep exitfunc alive while calling it

diff --git a/Python/pythonrun.c b/Python/pythonrun.c
index 0666c5ac3729734d675de684e7357e09ff106e11..9e402a62287ee43b6972b714cf31fe5a4a0c15ea 100644 (file)
--- a/Python/pythonrun.c
+++ b/Python/pythonrun.c
@@ -605,12 +605,14 @@ cleanup()
 
        if (exitfunc) {
                object *res;
+               INCREF(exitfunc);
                sysset("exitfunc", (object *)NULL);
                res = call_object(exitfunc, (object *)NULL);
                if (res == NULL) {
                        fprintf(stderr, "Error in sys.exitfunc:\n");
                        print_error();
                }
+               DECREF(exitfunc);
        }
 
        flushline();