From e639b4bcbbef6ebbc639ecae7348bd607ea31cf9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mike=20Kr=C3=BCger?= <mkrueger@xamarin.com>
Date: Tue, 28 Aug 2012 06:57:38 +0200
Subject: [PATCH] [Analysis] Handled null conditions in do while & while
 statements.

---
 ICSharpCode.NRefactory.CSharp/Analysis/ControlFlow.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ICSharpCode.NRefactory.CSharp/Analysis/ControlFlow.cs b/ICSharpCode.NRefactory.CSharp/Analysis/ControlFlow.cs
index 21b4526963..b74c2fe1df 100644
--- a/ICSharpCode.NRefactory.CSharp/Analysis/ControlFlow.cs
+++ b/ICSharpCode.NRefactory.CSharp/Analysis/ControlFlow.cs
@@ -535,7 +535,7 @@ namespace ICSharpCode.NRefactory.CSharp.Analysis
 				
 				Connect(data, conditionNode);
 				
-				bool? cond = builder.EvaluateCondition(whileStatement.Condition);
+				bool? cond = whileStatement.Condition.IsNull ? true : builder.EvaluateCondition(whileStatement.Condition);
 				ControlFlowNode bodyStart = builder.CreateStartNode(whileStatement.EmbeddedStatement);
 				if (cond != false)
 					Connect(conditionNode, bodyStart, ControlFlowEdgeType.ConditionTrue);
@@ -563,7 +563,7 @@ namespace ICSharpCode.NRefactory.CSharp.Analysis
 				ControlFlowNode bodyEnd = doWhileStatement.EmbeddedStatement.AcceptVisitor(this, bodyStart);
 				Connect(bodyEnd, conditionNode);
 				
-				bool? cond = builder.EvaluateCondition(doWhileStatement.Condition);
+				bool? cond = doWhileStatement.Condition.IsNull ? true : builder.EvaluateCondition(doWhileStatement.Condition);
 				if (cond != false)
 					Connect(conditionNode, bodyStart, ControlFlowEdgeType.ConditionTrue);
 				if (cond != true)