From f97bd765ee6cf724eb3fed1a9d0695d816ea2fcc Mon Sep 17 00:00:00 2001
From: Konstantin Bulenkov <kb@jetbrains.com>
Date: Fri, 8 Jul 2016 01:42:52 +0200
Subject: [PATCH] new BidiRun[0] happens too often. Introduce EMPTY_ARRAY

---
 .../com/intellij/openapi/editor/impl/view/LineLayout.java    | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/platform/platform-impl/src/com/intellij/openapi/editor/impl/view/LineLayout.java b/platform/platform-impl/src/com/intellij/openapi/editor/impl/view/LineLayout.java
index 547c9ad38289..d3e8a467a1e8 100644
--- a/platform/platform-impl/src/com/intellij/openapi/editor/impl/view/LineLayout.java
+++ b/platform/platform-impl/src/com/intellij/openapi/editor/impl/view/LineLayout.java
@@ -266,7 +266,7 @@ abstract class LineLayout {
     assert startOffset <= endOffset;
     final BidiRun[] runs;
     if (startOffset == endOffset) {
-      runs = new BidiRun[0];
+      runs = BidiRun.EMPTY_ARRAY;
     }
     else {
       List<BidiRun> runList = new ArrayList<BidiRun>();
@@ -338,7 +338,7 @@ abstract class LineLayout {
     }
     
     private BidiRun[] createRuns() {
-      if (myChunk == null) return new BidiRun[0];
+      if (myChunk == null) return BidiRun.EMPTY_ARRAY;
       BidiRun run = new BidiRun(myChunk.endOffset);
       run.chunks = new Chunk[] {myChunk};
       return new BidiRun[] {run};
@@ -474,6 +474,7 @@ abstract class LineLayout {
   }
 
   private static class BidiRun {
+    public static final BidiRun[] EMPTY_ARRAY = new BidiRun[0];
     private static final int CHUNK_CHARACTERS = 1024;
     
     private final byte level;