From 896d2ef14dbfcbb4cdccd54c64948c9ab52b88f7 Mon Sep 17 00:00:00 2001
From: Martin Odersky <odersky@gmail.com>
Date: Sun, 18 Dec 2016 18:08:46 +0100
Subject: [PATCH] Fix-#1824 Logic fix in desugar

An operation was performed quadratically before.
---
 compiler/src/dotty/tools/dotc/ast/Desugar.scala | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/compiler/src/dotty/tools/dotc/ast/Desugar.scala b/compiler/src/dotty/tools/dotc/ast/Desugar.scala
index db78cfffb335..13ddff08c283 100644
--- a/compiler/src/dotty/tools/dotc/ast/Desugar.scala
+++ b/compiler/src/dotty/tools/dotc/ast/Desugar.scala
@@ -150,8 +150,7 @@ object desugar {
     val epbuf = new ListBuffer[ValDef]
     def desugarContextBounds(rhs: Tree): Tree = rhs match {
       case ContextBounds(tbounds, cxbounds) =>
-        for (cxbound <- cxbounds)
-          epbuf ++= makeImplicitParameters(cxbounds, isPrimaryConstructor)
+        epbuf ++= makeImplicitParameters(cxbounds, isPrimaryConstructor)
         tbounds
       case PolyTypeTree(tparams, body) =>
         cpy.PolyTypeTree(rhs)(tparams, desugarContextBounds(body))