From 7c7ffb2825102d9fbc1c0a5524fa2f93dc59dbc5 Mon Sep 17 00:00:00 2001
From: Dmitry Batkovich <dmitry.batkovich@jetbrains.com>
Date: Wed, 3 May 2017 14:48:46 +0300
Subject: [PATCH] javac ast indices: fix indices state if new project is
 created

---
 .../backwardRefs/CompilerReferenceServiceImpl.java    | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/java/compiler/impl/src/com/intellij/compiler/backwardRefs/CompilerReferenceServiceImpl.java b/java/compiler/impl/src/com/intellij/compiler/backwardRefs/CompilerReferenceServiceImpl.java
index c69df2ec92d8..31f1c929d367 100644
--- a/java/compiler/impl/src/com/intellij/compiler/backwardRefs/CompilerReferenceServiceImpl.java
+++ b/java/compiler/impl/src/com/intellij/compiler/backwardRefs/CompilerReferenceServiceImpl.java
@@ -144,7 +144,8 @@ public class CompilerReferenceServiceImpl extends CompilerReferenceServiceEx imp
       if (!ApplicationManager.getApplication().isUnitTestMode()) {
         ApplicationManager.getApplication().executeOnPooledThread(() -> {
           boolean isUpToDate;
-          if (CompilerReferenceReader.exists(myProject)) {
+          boolean indexExist = CompilerReferenceReader.exists(myProject);
+          if (indexExist) {
             CompileScope projectCompileScope = compilerManager.createProjectCompileScope(myProject);
             isUpToDate = compilerManager.isUpToDate(projectCompileScope);
           } else {
@@ -154,7 +155,7 @@ public class CompilerReferenceServiceImpl extends CompilerReferenceServiceEx imp
             if (isUpToDate) {
               openReaderIfNeed(IndexOpenReason.UP_TO_DATE_CACHE);
             } else {
-              markAsOutdated();
+              markAsOutdated(indexExist);
             }
           });
         });
@@ -586,10 +587,12 @@ public class CompilerReferenceServiceImpl extends CompilerReferenceServiceEx imp
     }
   }
 
-  private void markAsOutdated() {
+  private void markAsOutdated(boolean decrementBuildCount) {
     myOpenCloseLock.lock();
     try {
-      --myActiveBuilds;
+      if (decrementBuildCount) {
+        --myActiveBuilds;
+      }
       myDirtyScopeHolder.upToDateChecked(false);
     } finally {
       myOpenCloseLock.unlock();