From d92dd153fc8768bb9c67645be422f1601b4c4906 Mon Sep 17 00:00:00 2001
From: Siegfried Pammer <siegfriedpammer@gmail.com>
Date: Sat, 8 May 2021 14:36:04 +0200
Subject: [PATCH] #2390: Make sure all unused captured variables are removed
 even in lambdas.

---
 .../IL/Transforms/TransformDisplayClassUsage.cs                 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ICSharpCode.Decompiler/IL/Transforms/TransformDisplayClassUsage.cs b/ICSharpCode.Decompiler/IL/Transforms/TransformDisplayClassUsage.cs
index 619813d05..5add9da47 100644
--- a/ICSharpCode.Decompiler/IL/Transforms/TransformDisplayClassUsage.cs
+++ b/ICSharpCode.Decompiler/IL/Transforms/TransformDisplayClassUsage.cs
@@ -576,7 +576,7 @@ namespace ICSharpCode.Decompiler.IL.Transforms
 		{
 			VisitILFunction(function);
 			context.Step($"ResetHasInitialValueFlag", function);
-			foreach (var f in TreeTraversal.PostOrder(function, f => f.LocalFunctions))
+			foreach (var f in function.Descendants.OfType<ILFunction>())
 			{
 				RemoveDeadVariableInit.ResetHasInitialValueFlag(f, context);
 				f.CapturedVariables.RemoveWhere(v => v.IsDead);