From d0628056c66afdd9c5fec19cdbc33511a0e61eb5 Mon Sep 17 00:00:00 2001
From: Dmitry Batkovich <dmitry.batkovich@jetbrains.com>
Date: Mon, 23 Jan 2017 13:41:45 +0300
Subject: [PATCH] javac ast indices: ignore unphysical files (IDEA-166989,
 EA-94931)

---
 .../intellij/compiler/backwardRefs/DirtyScopeHolder.java    | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/java/compiler/impl/src/com/intellij/compiler/backwardRefs/DirtyScopeHolder.java b/java/compiler/impl/src/com/intellij/compiler/backwardRefs/DirtyScopeHolder.java
index 8947b41cf576..1a011e64c1f6 100644
--- a/java/compiler/impl/src/com/intellij/compiler/backwardRefs/DirtyScopeHolder.java
+++ b/java/compiler/impl/src/com/intellij/compiler/backwardRefs/DirtyScopeHolder.java
@@ -31,6 +31,7 @@ import com.intellij.openapi.project.Project;
 import com.intellij.openapi.util.UserDataHolderBase;
 import com.intellij.openapi.vfs.*;
 import com.intellij.psi.PsiDocumentManager;
+import com.intellij.psi.PsiFile;
 import com.intellij.psi.search.GlobalSearchScope;
 import com.intellij.psi.util.CachedValueProvider;
 import com.intellij.psi.util.CachedValuesManager;
@@ -180,7 +181,10 @@ public class DirtyScopeHolder extends UserDataHolderBase {
       if (m != null) dirtyModules.add(m);
     }
     for (Document document : myPsiDocManager.getUncommittedDocuments()) {
-      final Module m = getModuleForSourceContentFile(ObjectUtils.notNull(myPsiDocManager.getPsiFile(document)).getVirtualFile());
+      final PsiFile psiFile = ObjectUtils.notNull(myPsiDocManager.getPsiFile(document));
+      final VirtualFile file = psiFile.getVirtualFile();
+      if (file == null) continue;
+      final Module m = getModuleForSourceContentFile(file);
       if (m != null) dirtyModules.add(m);
     }
     return dirtyModules;