From b7e6ca1fe014e727f37d5f279e70aa0f0af6f611 Mon Sep 17 00:00:00 2001
From: Erich Schubert <kno10@users.noreply.github.com>
Date: Mon, 15 May 2017 11:00:57 +0200
Subject: [PATCH] Allocate ArrayList with exact size

---
 .../src/java/org/apache/lucene/search/ExactPhraseScorer.java  | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lucene/core/src/java/org/apache/lucene/search/ExactPhraseScorer.java b/lucene/core/src/java/org/apache/lucene/search/ExactPhraseScorer.java
index 002375d161b2..7decc7b46900 100644
--- a/lucene/core/src/java/org/apache/lucene/search/ExactPhraseScorer.java
+++ b/lucene/core/src/java/org/apache/lucene/search/ExactPhraseScorer.java
@@ -53,8 +53,8 @@ public PostingsAndPosition(PostingsEnum postings, int offset) {
     this.docScorer = docScorer;
     this.needsScores = needsScores;
 
-    List<DocIdSetIterator> iterators = new ArrayList<>();
-    List<PostingsAndPosition> postingsAndPositions = new ArrayList<>();
+    List<DocIdSetIterator> iterators = new ArrayList<>(postings.size());
+    List<PostingsAndPosition> postingsAndPositions = new ArrayList<>(postings.size());
     for(PhraseQuery.PostingsAndFreq posting : postings) {
       iterators.add(posting.postings);
       postingsAndPositions.add(new PostingsAndPosition(posting.postings, posting.position));