From 48968f3c842a7166b743e9554328ba17ab7608d4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Arne=20D=C3=B6ring?= <arne.doering@gmx.net>
Date: Thu, 8 Aug 2019 09:16:07 +0200
Subject: [PATCH] delete expensive call (#11909) [refactoring]

---
 compiler/sigmatch.nim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compiler/sigmatch.nim b/compiler/sigmatch.nim
index 6610158ae..be4f15652 100644
--- a/compiler/sigmatch.nim
+++ b/compiler/sigmatch.nim
@@ -2325,7 +2325,7 @@ proc matchesAux(c: PContext, n, nOrig: PNode,
   m.call = newNodeI(n.kind, n.info)
   m.call.typ = base(m.callee) # may be nil
   var formalLen = m.callee.n.len
-  addSon(m.call, copyTree(n.sons[0]))
+  addSon(m.call, n.sons[0])
   var container: PNode = nil # constructed container
   formal = if formalLen > 1: m.callee.n.sons[1].sym else: nil