From b5faf2138ac73550af3c0d5cb4a48ede3a45a081 Mon Sep 17 00:00:00 2001
From: Alex Plate <aleksei.plate@jetbrains.com>
Date: Fri, 30 Oct 2020 16:31:53 +0300
Subject: [PATCH] [Workspace Model] [IDEA-252915] Distinct file urls using set
 before collecting affected file loaders

GitOrigin-RevId: 1c08ca22a618e0fe4aa4816b2dd132642b891002
---
 .../ide/impl/jps/serialization/JpsProjectSerializersImpl.kt   | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/platform/workspaceModel/ide/src/com/intellij/workspaceModel/ide/impl/jps/serialization/JpsProjectSerializersImpl.kt b/platform/workspaceModel/ide/src/com/intellij/workspaceModel/ide/impl/jps/serialization/JpsProjectSerializersImpl.kt
index 0abdbd2420b8..70d236b61844 100644
--- a/platform/workspaceModel/ide/src/com/intellij/workspaceModel/ide/impl/jps/serialization/JpsProjectSerializersImpl.kt
+++ b/platform/workspaceModel/ide/src/com/intellij/workspaceModel/ide/impl/jps/serialization/JpsProjectSerializersImpl.kt
@@ -155,8 +155,8 @@ class JpsProjectSerializersImpl(directorySerializersFactories: List<JpsDirectory
     }
 
     val affectedFileLoaders = LinkedHashSet<JpsFileEntitiesSerializer<*>>(newFileSerializers)
-    addedFileUrls.flatMapTo(affectedFileLoaders) { fileSerializersByUrl.getValues(it) }
-    change.changedFileUrls.flatMapTo(affectedFileLoaders) { fileSerializersByUrl.getValues(it) }
+    val urlsSet: Set<String> = addedFileUrls + change.changedFileUrls
+    urlsSet.flatMapTo(affectedFileLoaders) { fileSerializersByUrl.getValues(it) }
 
     val changedSources = affectedFileLoaders.mapTo(HashSet()) { it.internalEntitySource }
     for (fileUrl in change.removedFileUrls) {