Fix special case bug in WriteParameters

ICSharpCode.Decompiler/Disassembler/ReflectionDisassembler.cs

@@ -877,6 +877,7 @@ namespace ICSharpCode.Decompiler.Disassembler
 		{
 			int parameterOffset = parameters.Length > signature.ParameterTypes.Length ? 1 : 0;
 			for (int i = 0; i < signature.ParameterTypes.Length; i++) {
+				if (i + parameterOffset < parameters.Length) {
 					var p = metadata.GetParameter(parameters[i + parameterOffset]);
 					if ((p.Attributes & ParameterAttributes.In) == ParameterAttributes.In)
 						output.Write("[in] ");
@@ -891,6 +892,10 @@ namespace ICSharpCode.Decompiler.Disassembler
 						WriteMarshalInfo(metadata.GetBlobReader(md));
 					}
 					output.WriteDefinition(DisassemblerHelpers.Escape(metadata.GetString(p.Name)), p);
+				} else {
+					signature.ParameterTypes[i](ILNameSyntax.Signature);
+					output.Write(" ''");
+				}
 				if (i < signature.ParameterTypes.Length - 1)
 					output.Write(',');
 				output.WriteLine();