| Index: pkg/front_end/messages.yaml
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| diff --git a/pkg/front_end/messages.yaml b/pkg/front_end/messages.yaml
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| index 90d716e914a9af2962b8e728398ca18e985c1e7a..d7b1e51f8ef6ea16191191b3fe1cd3abbeb5834e 100644
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| --- a/pkg/front_end/messages.yaml
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| +++ b/pkg/front_end/messages.yaml
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| @@ -434,3 +434,13 @@ SuperNullAware:
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|    template: "'super' can't be null."
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|    tip: "Try replacing '?.' with '.'"
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|    dart2jsCode: FASTA_IGNORED
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| +
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| +ConstFieldWithoutInitializer:
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| +  template: "A 'const' field must be initialized."
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| +  tip: "Try adding '= <initializer>'."
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| +  dart2jsCode: FASTA_IGNORED
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| +
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| +FinalFieldWithoutInitializer:
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| +  template: "A 'final' field must be initialized."
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| +  tip: "Try adding '= <initializer>'."
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| +  dart2jsCode: FASTA_IGNORED
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| 
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