RnEmptyStatementGroup1.hs:6:13: error: [GHC-92693]
    Empty statement group preceding 'group' or 'then'

RnEmptyStatementGroup1.hs:8:7: error: [GHC-82311]
    Empty 'do' block
    Suggested fix: Perhaps you intended to use NondecreasingIndentation

RnEmptyStatementGroup1.hs:10:20: error: [GHC-19442]
    Empty 'do' block in an arrow command