From 4657567484d8b38098ff29ad15e39b91fc183bf9 Mon Sep 17 00:00:00 2001
From: Stepan Koltsov <stepan.koltsov@jetbrains.com>
Date: Sat, 16 Jun 2012 02:24:11 +0400
Subject: [PATCH] check state in WriteableScopeImpl

(nothing is written to allDescriptor after getAllDescriptors fetched)
---
 .../jetbrains/jet/lang/resolve/scopes/WritableScopeImpl.java  | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/compiler/frontend/src/org/jetbrains/jet/lang/resolve/scopes/WritableScopeImpl.java b/compiler/frontend/src/org/jetbrains/jet/lang/resolve/scopes/WritableScopeImpl.java
index 0921b61a23d..3d7fdbcbd74 100644
--- a/compiler/frontend/src/org/jetbrains/jet/lang/resolve/scopes/WritableScopeImpl.java
+++ b/compiler/frontend/src/org/jetbrains/jet/lang/resolve/scopes/WritableScopeImpl.java
@@ -131,6 +131,10 @@ public class WritableScopeImpl extends WritableScopeWithImports {
 
         if (!allDescriptorsDone) {
             allDescriptorsDone = true;
+
+            // make sure no descriptors added to allDescriptors collection
+            changeLockLevel(LockLevel.READING);
+
             allDescriptors.addAll(getWorkerScope().getAllDescriptors());
             for (JetScope imported : getImports()) {
                 allDescriptors.addAll(imported.getAllDescriptors());