From b4414c8ae0f34b7f9c1549aed10fb493826393bc Mon Sep 17 00:00:00 2001
From: "Anna.Kozlova" <anna.kozlova@jetbrains.com>
Date: Mon, 26 Mar 2018 19:23:24 +0200
Subject: [PATCH] fix UnsupportedOperationException on unmodifiable collection
 modification

---
 .../codeInsight/highlighting/ChooseOneOrAllRunnable.java       | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/platform/lang-impl/src/com/intellij/codeInsight/highlighting/ChooseOneOrAllRunnable.java b/platform/lang-impl/src/com/intellij/codeInsight/highlighting/ChooseOneOrAllRunnable.java
index 8dc0177298d0..ea40887a817b 100644
--- a/platform/lang-impl/src/com/intellij/codeInsight/highlighting/ChooseOneOrAllRunnable.java
+++ b/platform/lang-impl/src/com/intellij/codeInsight/highlighting/ChooseOneOrAllRunnable.java
@@ -26,6 +26,7 @@ import com.intellij.util.ArrayUtil;
 import org.jetbrains.annotations.NotNull;
 
 import javax.swing.*;
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
@@ -59,7 +60,7 @@ public abstract class ChooseOneOrAllRunnable<T extends PsiElement> implements Ru
         selected(myClasses);
         return;
       }
-      List<Object> model = Arrays.asList(myClasses);
+      List<Object> model = new ArrayList<>(Arrays.asList(myClasses));
       String selectAll = CodeInsightBundle.message("highlight.thrown.exceptions.chooser.all.entry");
       model.add(0, selectAll);