From 27a508c50482f4053591ed740f09ecced5bf749b Mon Sep 17 00:00:00 2001
From: Martin Odersky <odersky@gmail.com>
Date: Mon, 25 Mar 2013 12:18:34 +0100
Subject: More fixes for classfile reading.

In particular: Survive malformed type errors. Make trees cloneable. and others more.
---
 src/dotty/tools/dotc/core/Denotations.scala | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/dotty/tools/dotc/core/Denotations.scala')

diff --git a/src/dotty/tools/dotc/core/Denotations.scala b/src/dotty/tools/dotc/core/Denotations.scala
index f8837fafe..08f4c9c57 100644
--- a/src/dotty/tools/dotc/core/Denotations.scala
+++ b/src/dotty/tools/dotc/core/Denotations.scala
@@ -306,6 +306,7 @@ object Denotations {
       denot1.hasAltWith(p) || denot2.hasAltWith(p)
     def derivedMultiDenotation(d1: Denotation, d2: Denotation) =
       if ((d1 eq denot1) && (d2 eq denot2)) this else MultiDenotation(d1, d2)
+    override def toString = alternatives.mkString(" <and> ")
   }
 
   /** A non-overloaded denotation */
@@ -458,6 +459,10 @@ object Denotations {
 
     final def asSymDenotation = asInstanceOf[SymDenotation]
 
+    override def toString =
+      if (symbol == NoSymbol) symbol.toString
+      else s"<SingleDenotation of type $info>"
+
     // ------ PreDenotation ops ----------------------------------------------
 
     final def first = this
-- 
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