From 775693f56c7d3afd079676b7a24cbc4708705d96 Mon Sep 17 00:00:00 2001
From: Sergey Patrikeev <Sergey.Patrikeev@jetbrains.com>
Date: Tue, 24 Dec 2019 19:13:44 +0300
Subject: [PATCH] SingleEntryCompositeIndexer: fix NPE.

GitOrigin-RevId: 1822d6f46803c278a6069851ef16226c18ccf4ed
---
 .../intellij/util/indexing/SingleEntryCompositeIndexer.java    | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/platform/indexing-impl/src/com/intellij/util/indexing/SingleEntryCompositeIndexer.java b/platform/indexing-impl/src/com/intellij/util/indexing/SingleEntryCompositeIndexer.java
index b1a76ced36c2..0ba382c8eeb1 100644
--- a/platform/indexing-impl/src/com/intellij/util/indexing/SingleEntryCompositeIndexer.java
+++ b/platform/indexing-impl/src/com/intellij/util/indexing/SingleEntryCompositeIndexer.java
@@ -20,7 +20,8 @@ public abstract class SingleEntryCompositeIndexer<V, SubIndexerType, SubIndexerV
   @Nullable
   @Override
   protected V computeValue(@NotNull FileContent inputData) {
-    return computeValue(inputData, calculateSubIndexer(inputData));
+    SubIndexerType subIndexerType = calculateSubIndexer(inputData);
+    return subIndexerType != null ? computeValue(inputData, subIndexerType) : null;
   }
 
   @Nullable