From c129d62be8a8eabc535eeee959f6232669f28a94 Mon Sep 17 00:00:00 2001
From: Tagir Valeev <Tagir.Valeev@jetbrains.com>
Date: Mon, 14 Dec 2020 12:00:41 +0700
Subject: [PATCH] [java-intentions] AbstractChopListAction: avoid accessing the
 invalid PSI

Found by property tests

GitOrigin-RevId: 20f576109a822280d7afc37881dc5dcfab08dc87
---
 .../intention/impl/lists/AbstractChopListAction.java      | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/java/java-impl/src/com/intellij/codeInsight/intention/impl/lists/AbstractChopListAction.java b/java/java-impl/src/com/intellij/codeInsight/intention/impl/lists/AbstractChopListAction.java
index 2093e090b585..16446464d298 100644
--- a/java/java-impl/src/com/intellij/codeInsight/intention/impl/lists/AbstractChopListAction.java
+++ b/java/java-impl/src/com/intellij/codeInsight/intention/impl/lists/AbstractChopListAction.java
@@ -6,6 +6,8 @@ import com.intellij.openapi.editor.Editor;
 import com.intellij.openapi.project.Project;
 import com.intellij.psi.PsiDocumentManager;
 import com.intellij.psi.PsiElement;
+import com.intellij.psi.SmartPointerManager;
+import com.intellij.psi.SmartPsiElementPointer;
 import com.intellij.psi.codeStyle.CodeStyleManager;
 import com.intellij.util.IncorrectOperationException;
 import org.jetbrains.annotations.Contract;
@@ -41,8 +43,12 @@ public abstract class AbstractChopListAction<L extends PsiElement, E extends Psi
       document.insertString(findOffsetOfBreakBeforeFirst(first), "\n");
     }
     PsiDocumentManager documentManager = PsiDocumentManager.getInstance(project);
+    SmartPsiElementPointer<L> pointer = SmartPointerManager.createPointer(context.list);
     documentManager.commitDocument(document);
-    CodeStyleManager.getInstance(project).adjustLineIndent(context.list.getContainingFile(), context.list.getParent().getTextRange());
+    L list = pointer.getElement();
+    if (list != null) {
+      CodeStyleManager.getInstance(project).adjustLineIndent(list.getContainingFile(), list.getParent().getTextRange());
+    }
   }
 
   abstract int findOffsetForBreakAfter(E element);