| Index: lib/compiler/implementation/runtime_types.dart | 
| diff --git a/lib/compiler/implementation/runtime_types.dart b/lib/compiler/implementation/runtime_types.dart | 
| index e1a51e6f22bc19d67b8c8c9c5327ec223bf90999..9b0820f10ea82b141eba018c74a2c9781f94097b 100644 | 
| --- a/lib/compiler/implementation/runtime_types.dart | 
| +++ b/lib/compiler/implementation/runtime_types.dart | 
| @@ -33,7 +33,7 @@ class RuntimeTypeInformation { | 
| bool hasTypeArguments(DartType type) { | 
| if (type is InterfaceType) { | 
| InterfaceType interfaceType = type; | 
| -      return !interfaceType.arguments.isEmpty(); | 
| +      return !interfaceType.arguments.isEmpty; | 
| } | 
| return false; | 
| } | 
| @@ -69,7 +69,7 @@ class RuntimeTypeInformation { | 
| */ | 
| String generateRuntimeTypeString(ClassElement element, int numberOfInputs) { | 
| String elementName = getName(element); | 
| -    if (element.typeVariables.isEmpty()) return "'$elementName'"; | 
| +    if (element.typeVariables.isEmpty) return "'$elementName'"; | 
| String stringify(_, bool hasValue) => hasValue ? "' + # + '" : "Dynamic"; | 
| String arguments = stringifyTypeVariables(element.typeVariables, | 
| numberOfInputs, | 
|  |