From 0dd7387f6c8f7314f789a956d2be4723a89ce555 Mon Sep 17 00:00:00 2001
From: Stepan Koltsov <stepan.koltsov@jetbrains.com>
Date: Tue, 17 Jan 2012 19:32:05 +0400
Subject: [PATCH] substitute on error class should be error

---
 .../src/org/jetbrains/jet/lang/types/ErrorUtils.java        | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/compiler/frontend/src/org/jetbrains/jet/lang/types/ErrorUtils.java b/compiler/frontend/src/org/jetbrains/jet/lang/types/ErrorUtils.java
index 87c02bed6d3..339f72f3381 100644
--- a/compiler/frontend/src/org/jetbrains/jet/lang/types/ErrorUtils.java
+++ b/compiler/frontend/src/org/jetbrains/jet/lang/types/ErrorUtils.java
@@ -96,6 +96,12 @@ public class ErrorUtils {
         public Modality getModality() {
             return Modality.OPEN;
         }
+
+        @NotNull
+        @Override
+        public ClassDescriptor substitute(TypeSubstitutor substitutor) {
+            return ERROR_CLASS;
+        }
     };
 
     private static final Set<FunctionDescriptor> ERROR_FUNCTION_GROUP = Collections.singleton(createErrorFunction(0, Collections.<JetType>emptyList()));