Took out ifdef.

(I suppose that patch wont make it upstream)

ICSharpCode.NRefactory.CSharp/Parser/mcs/cs-parser.cs

@@ -5602,9 +5602,7 @@ void case_278()
 		
 		Destructor d = new Destructor (current_type, (Modifiers) yyVals[-6+yyTop],
 			ParametersCompiled.EmptyReadOnlyParameters, (Attributes) yyVals[-7+yyTop], lt.Location);
-#if FULL_AST
 		d.Identifier = lt.Value;
-#endif
 		if (doc_support)
 			d.DocComment = ConsumeStoredComment ();
 		  

ICSharpCode.NRefactory.CSharp/Parser/mcs/cs-parser.jay

@@ -2313,9 +2313,7 @@ destructor_declaration
 		
 		Destructor d = new Destructor (current_type, (Modifiers) $2,
 			ParametersCompiled.EmptyReadOnlyParameters, (Attributes) $1, lt.Location);
-#if FULL_AST
 		d.Identifier = lt.Value;
-#endif
 		if (doc_support)
 			d.DocComment = ConsumeStoredComment ();
 		  

ICSharpCode.NRefactory.CSharp/Parser/mcs/method.cs

@@ -2100,13 +2100,11 @@ namespace Mono.CSharp {
 
 		public static readonly string MetadataName = "Finalize";
 
-#if FULL_AST
 		public string Identifer {
 			get;
 			set;
 		}
-#endif
-		
+
 		public Destructor (TypeDefinition parent, Modifiers mod, ParametersCompiled parameters, Attributes attrs, Location l)
 			: base (parent, null, mod, AllowedModifiers, new MemberName (MetadataName, l), attrs, parameters)
 		{