From 29277eb94c652f6ceec1c35df720cb0cfe92d134 Mon Sep 17 00:00:00 2001
From: Siegfried Pammer <siegfriedpammer@gmail.com>
Date: Fri, 13 Jul 2018 14:41:15 +0200
Subject: [PATCH] Add EnumUnderlyingTypeResolveException to TypeProvider.

---
 ICSharpCode.Decompiler/TypeSystem/TypeProvider.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ICSharpCode.Decompiler/TypeSystem/TypeProvider.cs b/ICSharpCode.Decompiler/TypeSystem/TypeProvider.cs
index 9644d7dfb..17e990ca9 100644
--- a/ICSharpCode.Decompiler/TypeSystem/TypeProvider.cs
+++ b/ICSharpCode.Decompiler/TypeSystem/TypeProvider.cs
@@ -155,7 +155,7 @@ namespace ICSharpCode.Decompiler.TypeSystem
 		{
 			var def = type.GetEnumUnderlyingType().GetDefinition();
 			if (def == null)
-				throw new InvalidOperationException();
+				throw new EnumUnderlyingTypeResolveException();
 			return def.KnownTypeCode.ToPrimitiveTypeCode();
 		}