From 62db5cec17944200aeb0daa81f81fc7549df5b39 Mon Sep 17 00:00:00 2001
From: Anna Kozlova <anna.kozlova@jetbrains.com>
Date: Tue, 15 Apr 2014 21:38:50 +0200
Subject: [PATCH] EA-55747 - AIOOBE: ControlFlowUtil.getUsedVariables

---
 .../src/com/intellij/psi/controlFlow/ControlFlowUtil.java        | 1 +
 1 file changed, 1 insertion(+)

diff --git a/java/java-psi-impl/src/com/intellij/psi/controlFlow/ControlFlowUtil.java b/java/java-psi-impl/src/com/intellij/psi/controlFlow/ControlFlowUtil.java
index 1966ae558441..0e6ed1625d67 100644
--- a/java/java-psi-impl/src/com/intellij/psi/controlFlow/ControlFlowUtil.java
+++ b/java/java-psi-impl/src/com/intellij/psi/controlFlow/ControlFlowUtil.java
@@ -213,6 +213,7 @@ public class ControlFlowUtil {
 
   public static List<PsiVariable> getUsedVariables(ControlFlow flow, int start, int end) {
     ArrayList<PsiVariable> array = new ArrayList<PsiVariable>();
+    if (start < 0) return array;
     List<Instruction> instructions = flow.getInstructions();
     for (int i = start; i < end; i++) {
       Instruction instruction = instructions.get(i);