From 4beda48cf85d992fcd31117504be2e6bc485cb40 Mon Sep 17 00:00:00 2001
From: "Egor.Ushakov" <egor.ushakov@jetbrains.com>
Date: Thu, 13 Apr 2017 20:04:30 +0300
Subject: [PATCH] IDEABKL-7547 Decompiler fails to rename class which consists
 of digits only

---
 .../java/decompiler/modules/renamer/ConverterHelper.java      | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/org/jetbrains/java/decompiler/modules/renamer/ConverterHelper.java b/src/org/jetbrains/java/decompiler/modules/renamer/ConverterHelper.java
index 71dc351..4625fe7 100644
--- a/src/org/jetbrains/java/decompiler/modules/renamer/ConverterHelper.java
+++ b/src/org/jetbrains/java/decompiler/modules/renamer/ConverterHelper.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.
@@ -55,7 +55,7 @@ public class ConverterHelper implements IIdentifierRenamer {
     }
 
     int index = 0;
-    while (Character.isDigit(shortName.charAt(index))) {
+    while (index < shortName.length() && Character.isDigit(shortName.charAt(index))) {
       index++;
     }