Problems reported:

parser/nnbd/error_recovery/late_without_var_etc:6:8: Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
  late x;
       ^

parser/nnbd/error_recovery/late_without_var_etc:9:6: Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
late y;
     ^

parser/nnbd/error_recovery/late_without_var_etc:12:8: Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
  late z;
       ^

parser/nnbd/error_recovery/late_without_var_etc:15:10: Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
    late x;
         ^

parser/nnbd/error_recovery/late_without_var_etc:19:10: Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
    late x;
         ^

beginCompilationUnit(void)
  beginMetadataStar(void)
  endMetadataStar(0)
  beginTopLevelMember(void)
    beginTopLevelMethod(, null)
      handleVoidKeyword(void)
      handleIdentifier(main, topLevelFunctionDeclaration)
      handleNoTypeVariables(()
      beginFormalParameters((, MemberKind.TopLevelMethod)
      endFormalParameters(0, (, ), MemberKind.TopLevelMethod)
      handleAsyncModifier(null, null)
      beginBlockFunctionBody({)
        handleRecoverableError(MissingConstFinalVarOrType, x, x)
        beginMetadataStar(late)
        endMetadataStar(0)
        handleNoType(late)
        beginVariablesDeclaration(x, late, null)
          handleIdentifier(x, localVariableDeclaration)
          beginInitializedIdentifier(x)
            handleNoVariableInitializer(x)
          endInitializedIdentifier(x)
        endVariablesDeclaration(1, ;)
      endBlockFunctionBody(1, {, })
    endTopLevelMethod(void, null, })
  endTopLevelDeclaration(late)
  beginMetadataStar(late)
  endMetadataStar(0)
  beginTopLevelMember(late)
    beginFields(})
      handleRecoverableError(MissingConstFinalVarOrType, y, y)
      handleNoType(late)
      handleIdentifier(y, topLevelVariableDeclaration)
      handleNoFieldInitializer(;)
    endTopLevelFields(null, null, null, late, null, 1, late, ;)
  endTopLevelDeclaration(class)
  beginMetadataStar(class)
  endMetadataStar(0)
  beginClassOrNamedMixinApplicationPrelude(class)
    handleIdentifier(Foo, classOrMixinDeclaration)
    handleNoTypeVariables({)
    beginClassDeclaration(class, null, Foo)
      handleNoType(Foo)
      handleClassExtends(null, 1)
      handleClassNoWithClause()
      handleClassOrMixinImplements(null, 0)
      handleClassHeader(class, class, null)
      beginClassOrMixinBody(DeclarationKind.Class, {)
        beginMetadataStar(late)
        endMetadataStar(0)
        beginMember()
          beginFields({)
            handleRecoverableError(MissingConstFinalVarOrType, z, z)
            handleNoType(late)
            handleIdentifier(z, fieldDeclaration)
            handleNoFieldInitializer(;)
          endClassFields(null, null, null, null, late, null, 1, late, ;)
        endMember()
        beginMetadataStar(void)
        endMetadataStar(0)
        beginMember()
          beginMethod(null, null, null, null, null, foo)
            handleVoidKeyword(void)
            handleIdentifier(foo, methodDeclaration)
            handleNoTypeVariables(()
            beginFormalParameters((, MemberKind.NonStaticMethod)
            endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
            handleNoInitializers()
            handleAsyncModifier(null, null)
            beginBlockFunctionBody({)
              handleRecoverableError(MissingConstFinalVarOrType, x, x)
              beginMetadataStar(late)
              endMetadataStar(0)
              handleNoType(late)
              beginVariablesDeclaration(x, late, null)
                handleIdentifier(x, localVariableDeclaration)
                beginInitializedIdentifier(x)
                  handleNoVariableInitializer(x)
                endInitializedIdentifier(x)
              endVariablesDeclaration(1, ;)
            endBlockFunctionBody(1, {, })
          endClassMethod(null, void, (, null, })
        endMember()
        beginMetadataStar(static)
        endMetadataStar(0)
        beginMember()
          beginMethod(null, static, null, null, null, bar)
            handleVoidKeyword(void)
            handleIdentifier(bar, methodDeclaration)
            handleNoTypeVariables(()
            beginFormalParameters((, MemberKind.StaticMethod)
            endFormalParameters(0, (, ), MemberKind.StaticMethod)
            handleNoInitializers()
            handleAsyncModifier(null, null)
            beginBlockFunctionBody({)
              handleRecoverableError(MissingConstFinalVarOrType, x, x)
              beginMetadataStar(late)
              endMetadataStar(0)
              handleNoType(late)
              beginVariablesDeclaration(x, late, null)
                handleIdentifier(x, localVariableDeclaration)
                beginInitializedIdentifier(x)
                  handleNoVariableInitializer(x)
                endInitializedIdentifier(x)
              endVariablesDeclaration(1, ;)
            endBlockFunctionBody(1, {, })
          endClassMethod(null, static, (, null, })
        endMember()
      endClassOrMixinBody(DeclarationKind.Class, 3, {, })
    endClassDeclaration(class, })
  endTopLevelDeclaration()
endCompilationUnit(3, )