From 9747a2b3595bbdca33fd6281e6a275c65d70903b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Anders=20H=C3=B6rnfeldt?= <anders.hornfeldt@eurocon.se>
Date: Sat, 1 May 2021 14:44:08 +0200
Subject: [PATCH] Escape identifiers containing repeating dots

---
 ICSharpCode.Decompiler/Disassembler/DisassemblerHelpers.cs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ICSharpCode.Decompiler/Disassembler/DisassemblerHelpers.cs b/ICSharpCode.Decompiler/Disassembler/DisassemblerHelpers.cs
index 58744d44ae..29e24ddbad 100644
--- a/ICSharpCode.Decompiler/Disassembler/DisassemblerHelpers.cs
+++ b/ICSharpCode.Decompiler/Disassembler/DisassemblerHelpers.cs
@@ -120,6 +120,9 @@ static bool IsValidIdentifier(string identifier)
 			if (identifier[0] == '.')
 				return identifier == ".ctor" || identifier == ".cctor";
 
+			if (identifier.Contains(".."))
+				return false;
+
 			if (Metadata.ILOpCodeExtensions.ILKeywords.Contains(identifier))
 				return false;