From 1aa9d6f085021df7d00af78fdf638cc9275c4b61 Mon Sep 17 00:00:00 2001
From: Jb Evain <jbevain@gmail.com>
Date: Mon, 27 Aug 2007 18:22:37 +0000
Subject: [PATCH] protect against null assembly

svn path=/trunk/mcs/; revision=84904
---
 .../Mono.CompilerServices.SymbolWriter/MonoSymbolFile.cs      | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/mcs/class/Mono.CompilerServices.SymbolWriter/MonoSymbolFile.cs b/mcs/class/Mono.CompilerServices.SymbolWriter/MonoSymbolFile.cs
index 69bed1d2853..13d114b6d51 100644
--- a/mcs/class/Mono.CompilerServices.SymbolWriter/MonoSymbolFile.cs
+++ b/mcs/class/Mono.CompilerServices.SymbolWriter/MonoSymbolFile.cs
@@ -332,7 +332,9 @@ namespace Mono.CompilerServices.SymbolWriter
 		{
 			// Check that the MDB file matches the assembly, if we have been
 			// passed an assembly.
-
+			if (assembly == null)
+				return;
+			
 			Module[] modules = assembly.GetModules ();
 			Guid assembly_guid = MonoDebuggerSupport.GetGuid (modules [0]);
 
-- 
2.25.1