From ca28b0953c6a303bce4753418a17166b5a796800 Mon Sep 17 00:00:00 2001
From: Frederic Suter <frederic.suter@cc.in2p3.fr>
Date: Tue, 19 Jan 2016 01:06:00 +0100
Subject: [PATCH 1/1] only test 5th field if 4th exists

---
 src/smpi/smpi_replay.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/smpi/smpi_replay.c b/src/smpi/smpi_replay.c
index 36e05f33a9..ef4cc43573 100644
--- a/src/smpi/smpi_replay.c
+++ b/src/smpi/smpi_replay.c
@@ -689,7 +689,7 @@ static void action_gather(const char *const *action) {
   int send_size = parse_double(action[2]);
   int recv_size = parse_double(action[3]);
   MPI_Datatype MPI_CURRENT_TYPE2;
-  if(action[5]) {
+  if(action[4] && action[5]) {
     MPI_CURRENT_TYPE=decode_datatype(action[5]);
     MPI_CURRENT_TYPE2=decode_datatype(action[6]);
   } else {
-- 
2.20.1