From 9086c78d060e42312987d34efb10d3dd03d103b3 Mon Sep 17 00:00:00 2001
From: Frederic Suter <frederic.suter@cc.in2p3.fr>
Date: Mon, 16 Jul 2018 15:30:45 +0200
Subject: [PATCH] if the deque is empty, remove it from the map

---
 src/smpi/internals/instr_smpi.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/smpi/internals/instr_smpi.cpp b/src/smpi/internals/instr_smpi.cpp
index 63ee87112a..b55f098116 100644
--- a/src/smpi/internals/instr_smpi.cpp
+++ b/src/smpi/internals/instr_smpi.cpp
@@ -138,6 +138,8 @@ static std::string TRACE_smpi_get_key(int src, int dst, int tag, int send)
   } else {
     key = it->second->front();
     it->second->pop_front();
+    if (it->second->empty())
+      keys.erase(it);
   }
   return key;
 }
-- 
2.20.1