From 24f16370936084c2b6aa8ced3c8af0d8ffa0d0b7 Mon Sep 17 00:00:00 2001
From: turbanoff <turbanoff@gmail.com>
Date: Fri, 20 Apr 2012 15:23:41 +0700
Subject: [PATCH] remove redundant check

---
 ICSharpCode.NRefactory.CSharp/Ast/AstNode.cs | 35 ++++++++++----------
 1 file changed, 17 insertions(+), 18 deletions(-)

diff --git a/ICSharpCode.NRefactory.CSharp/Ast/AstNode.cs b/ICSharpCode.NRefactory.CSharp/Ast/AstNode.cs
index bc4d27de03..3f9f86bb78 100644
--- a/ICSharpCode.NRefactory.CSharp/Ast/AstNode.cs
+++ b/ICSharpCode.NRefactory.CSharp/Ast/AstNode.cs
@@ -483,25 +483,24 @@ namespace ICSharpCode.NRefactory.CSharp
 			newNode.SetRole(this.Role);
 			newNode.prevSibling = prevSibling;
 			newNode.nextSibling = nextSibling;
-			if (parent != null) {
-				if (prevSibling != null) {
-					Debug.Assert (prevSibling.nextSibling == this);
-					prevSibling.nextSibling = newNode;
-				} else {
-					Debug.Assert (parent.firstChild == this);
-					parent.firstChild = newNode;
-				}
-				if (nextSibling != null) {
-					Debug.Assert (nextSibling.prevSibling == this);
-					nextSibling.prevSibling = newNode;
-				} else {
-					Debug.Assert (parent.lastChild == this);
-					parent.lastChild = newNode;
-				}
-				parent = null;
-				prevSibling = null;
-				nextSibling = null;
+
+			if (prevSibling != null) {
+				Debug.Assert (prevSibling.nextSibling == this);
+				prevSibling.nextSibling = newNode;
+			} else {
+				Debug.Assert (parent.firstChild == this);
+				parent.firstChild = newNode;
+			}
+			if (nextSibling != null) {
+				Debug.Assert (nextSibling.prevSibling == this);
+				nextSibling.prevSibling = newNode;
+			} else {
+				Debug.Assert (parent.lastChild == this);
+				parent.lastChild = newNode;
 			}
+			parent = null;
+			prevSibling = null;
+			nextSibling = null;
 		}
 		
 		public AstNode ReplaceWith (Func<AstNode, AstNode> replaceFunction)