From e6447a91d6fd8c08cf4ae2ffd2e1c362fd914eb7 Mon Sep 17 00:00:00 2001
From: Alexander Zolotov <goldifit@gmail.com>
Date: Fri, 9 Jun 2017 15:25:47 +0300
Subject: [PATCH] EA-102221

---
 plugins/devkit/src/internal/IconsGeneratedSourcesFilter.java | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/plugins/devkit/src/internal/IconsGeneratedSourcesFilter.java b/plugins/devkit/src/internal/IconsGeneratedSourcesFilter.java
index cce5380d179f..8b065b5b1b2c 100644
--- a/plugins/devkit/src/internal/IconsGeneratedSourcesFilter.java
+++ b/plugins/devkit/src/internal/IconsGeneratedSourcesFilter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2015 JetBrains s.r.o.
+ * Copyright 2000-2017 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -31,7 +31,7 @@ public class IconsGeneratedSourcesFilter extends GeneratedSourcesFilter {
         PsiFile psiFile = PsiManager.getInstance(project).findFile(file);
         if (psiFile instanceof PsiJavaFile) {
           for (PsiClass aClass : ((PsiJavaFile)psiFile).getClasses()) {
-            if (aClass.hasModifierProperty(PsiModifier.PUBLIC)) {
+            if (aClass.isValid() && aClass.hasModifierProperty(PsiModifier.PUBLIC)) {
               PsiDocComment comment = aClass.getDocComment();
               return comment != null && comment.getText().contains("run build/scripts/icons.gant instead");
             }