From 15fa559d416b3a5d7db5baa979ccf9204d71de83 Mon Sep 17 00:00:00 2001
From: peter <peter@jetbrains.com>
Date: Wed, 4 Mar 2015 18:19:14 +0100
Subject: [PATCH] IDEA-136783 Completion: delay showing middle-matched items
 until at least some (or all) start-matching ones are shown

avoid useless allocations
---
 .../codeInsight/completion/CompletionProgressIndicator.java      | 1 +
 1 file changed, 1 insertion(+)

diff --git a/platform/lang-impl/src/com/intellij/codeInsight/completion/CompletionProgressIndicator.java b/platform/lang-impl/src/com/intellij/codeInsight/completion/CompletionProgressIndicator.java
index d754c0421ebf..6eb3c9f3bcaa 100644
--- a/platform/lang-impl/src/com/intellij/codeInsight/completion/CompletionProgressIndicator.java
+++ b/platform/lang-impl/src/com/intellij/codeInsight/completion/CompletionProgressIndicator.java
@@ -426,6 +426,7 @@ public class CompletionProgressIndicator extends ProgressIndicatorBase implement
   void addDelayedMiddleMatches() {
     ArrayList<CompletionResult> delayed;
     synchronized (myDelayedMiddleMatches) {
+      if (myDelayedMiddleMatches.isEmpty()) return;
       delayed = ContainerUtil.newArrayList(myDelayedMiddleMatches);
       myDelayedMiddleMatches.clear();
     }