From 85d1d21b3523cbe2812f5d79bd02517bc9a8473f Mon Sep 17 00:00:00 2001
From: Siegfried Pammer <siegfriedpammer@gmail.com>
Date: Tue, 13 Aug 2019 12:27:08 +0200
Subject: [PATCH] Fix possible NRE in
 DynamicCallSiteTransform.ExtractArgumentInfo.

---
 .../IL/Transforms/DynamicCallSiteTransform.cs                | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/ICSharpCode.Decompiler/IL/Transforms/DynamicCallSiteTransform.cs b/ICSharpCode.Decompiler/IL/Transforms/DynamicCallSiteTransform.cs
index 8d4a8bf0f..8d77cf103 100644
--- a/ICSharpCode.Decompiler/IL/Transforms/DynamicCallSiteTransform.cs
+++ b/ICSharpCode.Decompiler/IL/Transforms/DynamicCallSiteTransform.cs
@@ -500,7 +500,10 @@ namespace ICSharpCode.Decompiler.IL.Transforms
 				return false;
 			int i = 0;
 			callSiteInfo.ArgumentInfos = new CSharpArgumentInfo[numberOfArguments];
-			var compileTimeTypes = callSiteInfo.DelegateType.GetDelegateInvokeMethod().Parameters.SelectReadOnlyArray(p => p.Type);
+			IMethod invokeMethod = callSiteInfo.DelegateType.GetDelegateInvokeMethod();
+			if (invokeMethod == null)
+				return false;
+			var compileTimeTypes = invokeMethod.Parameters.SelectReadOnlyArray(p => p.Type);
 			foreach (var (_, arg) in arguments) {
 				if (!(arg is Call createCall))
 					return false;