From d032a6eba5da1b7f9405b824fb1db8eac46f9c95 Mon Sep 17 00:00:00 2001
From: Dmitry Avdeev <dmitry.avdeev@jetbrains.com>
Date: Wed, 26 Apr 2017 12:45:29 +0300
Subject: [PATCH] EA-82356 - CME: SequenceIterator.next

---
 .../src/com/intellij/ide/RecentProjectsManagerBase.java    | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/platform/platform-impl/src/com/intellij/ide/RecentProjectsManagerBase.java b/platform/platform-impl/src/com/intellij/ide/RecentProjectsManagerBase.java
index 81b56e5e56ec..82cb06508618 100644
--- a/platform/platform-impl/src/com/intellij/ide/RecentProjectsManagerBase.java
+++ b/platform/platform-impl/src/com/intellij/ide/RecentProjectsManagerBase.java
@@ -355,10 +355,11 @@ public abstract class RecentProjectsManagerBase extends RecentProjectsManager im
 
     if (!isDuplicatesCacheUpdating) {
       isDuplicatesCacheUpdating = true; //assuming that this check happens only on EDT. So, no synchronised block or double-checked locking needed
+      Set<String> names = ContainerUtil.newHashSet();
+      final HashSet<String> duplicates = ContainerUtil.newHashSet();
+      ArrayList<String> list = ContainerUtil.newArrayList(ContainerUtil.concat(openedPaths, recentPaths));
       ApplicationManager.getApplication().executeOnPooledThread(() -> {
-        Set<String> names = ContainerUtil.newHashSet();
-        final HashSet<String> duplicates = ContainerUtil.newHashSet();
-        for (String path : ContainerUtil.newArrayList(ContainerUtil.concat(openedPaths, recentPaths))) {
+        for (String path : list) {
           if (!names.add(getProjectName(path))) {
             duplicates.add(path);
           }