From 7ec58b279a806bb2c43214a1eae5df13ace4d8eb Mon Sep 17 00:00:00 2001
From: Simon Giesecke <simon.giesecke@btc-ag.com>
Date: Mon, 23 Oct 2017 11:12:15 +0200
Subject: [PATCH] Problem: one missed optimization opportunity for blob_t map
 lookup

Solution: create referencing blob_t
---
 src/router.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/router.cpp b/src/router.cpp
index 39582d69..3e7106bd 100644
--- a/src/router.cpp
+++ b/src/router.cpp
@@ -208,7 +208,8 @@ int zmq::router_t::xsend (msg_t *msg_)
             //  Find the pipe associated with the routing id stored in the prefix.
             //  If there's no such pipe just silently ignore the message, unless
             //  router_mandatory is set.
-            blob_t routing_id ((unsigned char*) msg_->data (), msg_->size ());
+            blob_t routing_id ((unsigned char*) msg_->data (), msg_->size (), 
+              zmq::reference_tag_t());
             outpipes_t::iterator it = outpipes.find (routing_id);
 
             if (it != outpipes.end ()) {