Actually use the exchange we have. Not very scientifically measured, but this seems to knock about 1s off the time to to "time MulticastMain -x 2 -y 0 -z 30" with tracing on (from ~82s to ~81s for me).

1 files changed, 4 insertions, 4 deletions

diff --git a/src/rabbit_basic.erl b/src/rabbit_basic.erl
index 91bdf82636..9397905f28 100644
--- a/src/rabbit_basic.erl
+++ b/src/rabbit_basic.erl
@@ -169,10 +169,10 @@ publish(Exchange, RoutingKeyBin, Mandatory, Immediate, Txn, Properties,
         BodyBin) ->
     case exchange(Exchange) of
         X = #exchange{} ->
-            publish(delivery(Mandatory, Immediate, Txn,
-                             message(X#exchange.name, RoutingKeyBin,
-                                     properties(Properties), BodyBin),
-                             undefined));
+            publish(X, delivery(Mandatory, Immediate, Txn,
+                                message(X#exchange.name, RoutingKeyBin,
+                                        properties(Properties), BodyBin),
+                                undefined));
         _ ->
             {ok, unroutable, []}
     end.