some compilers cannot see that this value is initialized in all cases

diff --git a/src/simix/smx_network.cpp b/src/simix/smx_network.cpp
index 12d744c..06f3d27 100644 (file)
--- a/src/simix/smx_network.cpp
+++ b/src/simix/smx_network.cpp
@@ -587,7 +587,7 @@ void SIMIX_comm_finish(smx_activity_t synchro)
     if (simcall->issuer->exception &&
         (simcall->call == SIMCALL_COMM_WAITANY || simcall->call == SIMCALL_COMM_TESTANY)) {
       // First retrieve the rank of our failing synchro
-      int rank;
+      int rank = -1;
       if (simcall->call == SIMCALL_COMM_WAITANY) {
         rank = xbt_dynar_search(simcall_comm_waitany__get__comms(simcall), &synchro);
       } else if (simcall->call == SIMCALL_COMM_TESTANY) {