From 18cf5d280e3f63213fd6bddbe8e1ed5b5d40b595 Mon Sep 17 00:00:00 2001
From: Dmitry Petrashko <dmitry.petrashko@gmail.com>
Date: Mon, 3 Mar 2014 17:23:15 +0100
Subject: More informative asserts.

---
 src/dotty/tools/dotc/core/Types.scala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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

diff --git a/src/dotty/tools/dotc/core/Types.scala b/src/dotty/tools/dotc/core/Types.scala
index bc8d7dfd2..9185c6c63 100644
--- a/src/dotty/tools/dotc/core/Types.scala
+++ b/src/dotty/tools/dotc/core/Types.scala
@@ -986,7 +986,7 @@ object Types {
     val prefix: Type
     val name: Name
 
-    assert(prefix.isValueType || (prefix eq NoPrefix))
+    assert(prefix.isValueType || (prefix eq NoPrefix), s"invalid prefix $prefix")
 
     private[this] var lastDenotation: Denotation = _
     private[this] var lastSymbol: Symbol = _
-- 
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