Index: src/Boo.Lang.Compiler/AssemblyInfo.cs
===================================================================
--- src/Boo.Lang.Compiler/AssemblyInfo.cs	(revision 3320)
+++ src/Boo.Lang.Compiler/AssemblyInfo.cs	(working copy)
@@ -29,8 +29,6 @@
 using System.Reflection;
 using System.Security.Permissions;
 
-[assembly: ReflectionPermission(SecurityAction.RequestMinimum,
-								ReflectionEmit=true)]
 [assembly: AssemblyTitle("boo - an extensible programming language for the CLI")]
 [assembly: AssemblyDescription("")]
 [assembly: AssemblyConfiguration("")]
Index: src/Boo.Lang.Compiler/Steps/EmitAssembly.cs
===================================================================
--- src/Boo.Lang.Compiler/Steps/EmitAssembly.cs	(revision 3320)
+++ src/Boo.Lang.Compiler/Steps/EmitAssembly.cs	(working copy)
@@ -48,7 +48,8 @@
 using Boo.Lang.Runtime;
 using Attribute = Boo.Lang.Compiler.Ast.Attribute;
 using Module = Boo.Lang.Compiler.Ast.Module;
-using System.Collections.Generic;
+using System.Collections.Generic;
+using System.Security.Permissions;
 
 namespace Boo.Lang.Compiler.Steps
 {
@@ -3444,18 +3445,17 @@
 		}
 		
 		bool EmitDebugInfo(Node node)
-		{
+		{
+			if (!Parameters.Debug) return false;
 			return EmitDebugInfo(node, node);
 		}		
 		
 		private const int _DBG_SYMBOLS_QUEUE_CAPACITY = 5; 
 
 		private System.Collections.Generic.Queue<LexicalInfo> _dbgSymbols = new System.Collections.Generic.Queue<LexicalInfo>(_DBG_SYMBOLS_QUEUE_CAPACITY);
-		
+		[ReflectionPermission(SecurityAction.Demand, ReflectionEmit=true)]
 		bool EmitDebugInfo(Node startNode, Node endNode)
 		{
-			if (!Parameters.Debug) return false;
-			
 			LexicalInfo start = startNode.LexicalInfo;
 			if (!start.IsValid) return false;