From 4f807b30c157462c4de1d88fe1b17509b86ff368 Mon Sep 17 00:00:00 2001
From: peter <peter@jetbrains.com>
Date: Thu, 28 May 2015 16:46:07 +0200
Subject: [PATCH] LiftShorterItemsClassifier: don't intern large arrays to
 avoid long pauses

---
 .../completion/impl/LiftShorterItemsClassifier.java          | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/platform/lang-impl/src/com/intellij/codeInsight/completion/impl/LiftShorterItemsClassifier.java b/platform/lang-impl/src/com/intellij/codeInsight/completion/impl/LiftShorterItemsClassifier.java
index 7b0d70952b95..84deb1b8a118 100644
--- a/platform/lang-impl/src/com/intellij/codeInsight/completion/impl/LiftShorterItemsClassifier.java
+++ b/platform/lang-impl/src/com/intellij/codeInsight/completion/impl/LiftShorterItemsClassifier.java
@@ -94,7 +94,10 @@ public class LiftShorterItemsClassifier extends Classifier<LookupElement> {
   }
 
   private void internListToLift(LookupElement longer) {
-    myToLift.put(longer, myListInterner.intern(myToLift.get(longer)));
+    final Collection<LookupElement> elements = myToLift.get(longer);
+    if (elements.size() > 10) return;
+    
+    myToLift.put(longer, myListInterner.intern(elements));
   }
 
   private void calculateToLift(LookupElement element) {