From e3ab850ddc03acec7bec1bc69de73be8fcf996b9 Mon Sep 17 00:00:00 2001
From: Anna Kozlova <anna.kozlova@jetbrains.com>
Date: Mon, 4 Jun 2012 20:23:54 +0400
Subject: [PATCH] do not rename in the same name

---
 .../psi/impl/source/tree/java/PsiReferenceExpressionImpl.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/java/java-psi-impl/src/com/intellij/psi/impl/source/tree/java/PsiReferenceExpressionImpl.java b/java/java-psi-impl/src/com/intellij/psi/impl/source/tree/java/PsiReferenceExpressionImpl.java
index 7f2b850e7bce..527052d9ced3 100644
--- a/java/java-psi-impl/src/com/intellij/psi/impl/source/tree/java/PsiReferenceExpressionImpl.java
+++ b/java/java-psi-impl/src/com/intellij/psi/impl/source/tree/java/PsiReferenceExpressionImpl.java
@@ -491,7 +491,7 @@ public class PsiReferenceExpressionImpl extends PsiReferenceExpressionBase imple
       throw new IncorrectOperationException();
     }
     final String oldRefName = oldIdentifier.getText();
-    if (PsiKeyword.THIS.equals(oldRefName) || PsiKeyword.SUPER.equals(oldRefName)) return this;
+    if (PsiKeyword.THIS.equals(oldRefName) || PsiKeyword.SUPER.equals(oldRefName) || Comparing.strEqual(oldRefName, newElementName)) return this;
     PsiIdentifier identifier = JavaPsiFacade.getInstance(getProject()).getElementFactory().createIdentifier(newElementName);
     oldIdentifier.replace(identifier);
     return this;