From e8f1e781883d67aabd7b0f2bc09ce4a0fc66d7a7 Mon Sep 17 00:00:00 2001
From: Eugene Zhuravlev <jeka@intellij.com>
Date: Wed, 8 Feb 2017 21:25:09 +0100
Subject: [PATCH] fix files comparison (use file_hashing_strategy) while
 checking roots intersection on rebuild (IDEA-167595)

---
 .../src/org/jetbrains/jps/incremental/IncProjectBuilder.java  | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/jps/jps-builders/src/org/jetbrains/jps/incremental/IncProjectBuilder.java b/jps/jps-builders/src/org/jetbrains/jps/incremental/IncProjectBuilder.java
index f8c977b1096d..8da560dc510f 100644
--- a/jps/jps-builders/src/org/jetbrains/jps/incremental/IncProjectBuilder.java
+++ b/jps/jps-builders/src/org/jetbrains/jps/incremental/IncProjectBuilder.java
@@ -574,7 +574,7 @@ public class IncProjectBuilder {
   private void clearOutputs(CompileContext context) throws ProjectBuildException {
     final long cleanStart = System.currentTimeMillis();
     final MultiMap<File, BuildTarget<?>> rootsToDelete = MultiMap.createSet();
-    final Set<File> allSourceRoots = new HashSet<File>();
+    final Set<File> allSourceRoots = ContainerUtil.newTroveSet(FileUtil.FILE_HASHING_STRATEGY);
 
     final ProjectDescriptor projectDescriptor = context.getProjectDescriptor();
     final List<? extends BuildTarget<?>> allTargets = projectDescriptor.getBuildTargetIndex().getAllTargets();
@@ -631,7 +631,7 @@ public class IncProjectBuilder {
           okToDelete = false;
         }
         else {
-          final Set<File> _outRoot = Collections.singleton(outputRoot);
+          final Set<File> _outRoot = ContainerUtil.newTroveSet(FileUtil.FILE_HASHING_STRATEGY, outputRoot);
           for (File srcRoot : allSourceRoots) {
             if (JpsPathUtil.isUnder(_outRoot, srcRoot)) {
               okToDelete = false;