Improve foreach-on-array detection with captured itemVariable.

ICSharpCode.Decompiler/CSharp/Transforms/PatternStatementTransform.cs

@@ -251,7 +251,8 @@ namespace ICSharpCode.Decompiler.CSharp.Transforms
 			var itemVariable = m.Get<IdentifierExpression>("itemVariable").Single().GetILVariable();
 			var indexVariable = m.Get<IdentifierExpression>("indexVariable").Single().GetILVariable();
 			var arrayVariable = m.Get<IdentifierExpression>("arrayVariable").Single().GetILVariable();
-			if (!itemVariable.IsSingleDefinition || itemVariable.CaptureScope != null)
+			var loopContainer = forStatement.Annotation<IL.BlockContainer>();
+			if (!itemVariable.IsSingleDefinition || (itemVariable.CaptureScope != null && itemVariable.CaptureScope != loopContainer))
 				return null;
 			if (indexVariable.StoreCount != 2 || indexVariable.LoadCount != 3 || indexVariable.AddressCount != 0)
 				return null;