| Index: pkg/front_end/lib/src/fasta/fasta_codes_generated.dart | 
| diff --git a/pkg/front_end/lib/src/fasta/fasta_codes_generated.dart b/pkg/front_end/lib/src/fasta/fasta_codes_generated.dart | 
| index 38ebebf9f2ecee119ea4ca0732a0773f330f9975..c291493bb293c95685194202d0aac16024a6a6d0 100644 | 
| --- a/pkg/front_end/lib/src/fasta/fasta_codes_generated.dart | 
| +++ b/pkg/front_end/lib/src/fasta/fasta_codes_generated.dart | 
| @@ -1021,6 +1021,53 @@ const MessageCode messageFinalFieldWithoutInitializer = const MessageCode( | 
| message: r"""A 'final' field must be initialized.""", | 
| tip: r"""Try adding '= <initializer>'."""); | 
|  | 
| +// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE. | 
| +const Template<Message Function(String name)> | 
| +    templateFinalInstanceVariableAlreadyInitialized = | 
| +    const Template<Message Function(String name)>( | 
| +        messageTemplate: | 
| +            r"""'#name' is final instance variable that has already been initialized.""", | 
| +        withArguments: _withArgumentsFinalInstanceVariableAlreadyInitialized); | 
| + | 
| +// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE. | 
| +const Code<Message Function(String name)> | 
| +    codeFinalInstanceVariableAlreadyInitialized = | 
| +    const Code<Message Function(String name)>( | 
| +  "FinalInstanceVariableAlreadyInitialized", | 
| +  templateFinalInstanceVariableAlreadyInitialized, | 
| +); | 
| + | 
| +// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE. | 
| +Message _withArgumentsFinalInstanceVariableAlreadyInitialized(String name) { | 
| +  return new Message(codeFinalInstanceVariableAlreadyInitialized, | 
| +      message: | 
| +          """'$name' is final instance variable that has already been initialized.""", | 
| +      arguments: {'name': name}); | 
| +} | 
| + | 
| +// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE. | 
| +const Template<Message Function(String name)> | 
| +    templateFinalInstanceVariableAlreadyInitializedCause = | 
| +    const Template<Message Function(String name)>( | 
| +        messageTemplate: r"""'#name' was initialized here.""", | 
| +        withArguments: | 
| +            _withArgumentsFinalInstanceVariableAlreadyInitializedCause); | 
| + | 
| +// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE. | 
| +const Code<Message Function(String name)> | 
| +    codeFinalInstanceVariableAlreadyInitializedCause = | 
| +    const Code<Message Function(String name)>( | 
| +  "FinalInstanceVariableAlreadyInitializedCause", | 
| +  templateFinalInstanceVariableAlreadyInitializedCause, | 
| +); | 
| + | 
| +// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE. | 
| +Message _withArgumentsFinalInstanceVariableAlreadyInitializedCause( | 
| +    String name) { | 
| +  return new Message(codeFinalInstanceVariableAlreadyInitializedCause, | 
| +      message: """'$name' was initialized here.""", arguments: {'name': name}); | 
| +} | 
| + | 
| // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE. | 
| const Code<Null> codeFunctionTypeDefaultValue = messageFunctionTypeDefaultValue; | 
|  | 
| @@ -2297,6 +2344,14 @@ Message _withArgumentsSupertypeIsTypeVariable(String name) { | 
| arguments: {'name': name}); | 
| } | 
|  | 
| +// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE. | 
| +const Code<Null> codeSwitchCaseFallThrough = messageSwitchCaseFallThrough; | 
| + | 
| +// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE. | 
| +const MessageCode messageSwitchCaseFallThrough = const MessageCode( | 
| +    "SwitchCaseFallThrough", | 
| +    message: r"""Switch case may fall through to next case."""); | 
| + | 
| // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE. | 
| const Template<Message Function(String name)> | 
| templateThisAccessInFieldInitializer = | 
|  |