From dc7e6cd3f6c2bafc4e378c0902b19aeff2a65779 Mon Sep 17 00:00:00 2001
From: Andrey Breslav <andrey.breslav@jetbrains.com>
Date: Fri, 27 Apr 2012 10:53:02 +0400
Subject: [PATCH] A clarifying message added to an assertion

---
 .../src/org/jetbrains/jet/lang/resolve/OverrideResolver.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compiler/frontend/src/org/jetbrains/jet/lang/resolve/OverrideResolver.java b/compiler/frontend/src/org/jetbrains/jet/lang/resolve/OverrideResolver.java
index b2526dda5f7..08cb15fde3d 100644
--- a/compiler/frontend/src/org/jetbrains/jet/lang/resolve/OverrideResolver.java
+++ b/compiler/frontend/src/org/jetbrains/jet/lang/resolve/OverrideResolver.java
@@ -307,7 +307,7 @@ public class OverrideResolver {
         if (!descriptor.getKind().isReal()) {
             Collection<CallableMemberDescriptor> overriddenDeclarations = OverridingUtil.getOverriddenDeclarations(descriptor);
             if (overriddenDeclarations.size() == 0) {
-                throw new IllegalStateException();
+                throw new IllegalStateException("A 'fake override' must override something");
             }
             else if (overriddenDeclarations.size() == 1) {
                 CallableMemberDescriptor single = overriddenDeclarations.iterator().next();