Fix build.

ICSharpCode.NRefactory.CSharp/Resolver/CSharpOperators.cs

@@ -234,6 +234,10 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 				}
 			}
 
+			bool IMember.IsSpecialized {
+				get { return false; }
+			}
+
 			string INamedElement.FullName {
 				get { return "operator"; }
 			}

ICSharpCode.NRefactory.CSharp/Resolver/ReducedExtensionMethod.cs

@@ -150,6 +150,11 @@ namespace ICSharpCode.NRefactory.CSharp
 			}
 		}
 
+		public bool IsSpecialized {
+			get {
+				return baseMethod.IsSpecialized;
+			}
+		}
 
 		#endregion