From e2782e0766f7acd8f0b64aaabfd457bdb5d6845f Mon Sep 17 00:00:00 2001
From: Stepan Koltsov <stepan.koltsov@jetbrains.com>
Date: Wed, 18 Jan 2012 12:11:02 +0400
Subject: [PATCH] make error type from error class

---
 .../frontend/src/org/jetbrains/jet/lang/types/TypeUtils.java   | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/compiler/frontend/src/org/jetbrains/jet/lang/types/TypeUtils.java b/compiler/frontend/src/org/jetbrains/jet/lang/types/TypeUtils.java
index 76709697223..c62b5772331 100644
--- a/compiler/frontend/src/org/jetbrains/jet/lang/types/TypeUtils.java
+++ b/compiler/frontend/src/org/jetbrains/jet/lang/types/TypeUtils.java
@@ -288,6 +288,9 @@ public class TypeUtils {
 
     @NotNull
     public static JetType makeUnsubstitutedType(ClassDescriptor classDescriptor, JetScope unsubstitutedMemberScope) {
+        if (ErrorUtils.isError(classDescriptor)) {
+            return ErrorUtils.createErrorType("This is very helpful diagnostics message");
+        }
         List<TypeProjection> arguments = getDefaultTypeProjections(classDescriptor.getTypeConstructor().getParameters());
         return new JetTypeImpl(
                 Collections.<AnnotationDescriptor>emptyList(),