From 3141768ea8d2cf0d47e8d25a5ee44e389a40863c Mon Sep 17 00:00:00 2001
From: Egor Ushakov <egor.ushakov@jetbrains.com>
Date: Sat, 9 Jun 2018 15:00:12 +0300
Subject: [PATCH] EA-122261 - IOOBE: LineSet.findLineIndex

---
 .../ui/breakpoints/JavaLineBreakpointTypeBase.java         | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/java/debugger/impl/src/com/intellij/debugger/ui/breakpoints/JavaLineBreakpointTypeBase.java b/java/debugger/impl/src/com/intellij/debugger/ui/breakpoints/JavaLineBreakpointTypeBase.java
index 5005d19e360c..b72421a3ed08 100644
--- a/java/debugger/impl/src/com/intellij/debugger/ui/breakpoints/JavaLineBreakpointTypeBase.java
+++ b/java/debugger/impl/src/com/intellij/debugger/ui/breakpoints/JavaLineBreakpointTypeBase.java
@@ -12,6 +12,7 @@ import com.intellij.openapi.util.Ref;
 import com.intellij.openapi.vfs.VirtualFile;
 import com.intellij.psi.*;
 import com.intellij.psi.util.PsiTreeUtil;
+import com.intellij.util.DocumentUtil;
 import com.intellij.util.PairFunction;
 import com.intellij.xdebugger.XDebugSession;
 import com.intellij.xdebugger.XDebuggerUtil;
@@ -111,10 +112,8 @@ public abstract class JavaLineBreakpointTypeBase<P extends JavaBreakpointPropert
           }
 
           final int offset = element.getTextOffset();
-          if (offset >= 0) {
-            if (document.getLineNumber(offset) != line) {
-              break;
-            }
+          if (!DocumentUtil.isValidOffset(offset, document) || document.getLineNumber(offset) != line) {
+            break;
           }
           parent = element;
           element = element.getParent();