Fix broken pipe during test and gracefully exit the server · haskell/haskell-language-server@9ee2019

Pattern match(es) are non-exhaustive

• The constraint ‘HasLoc (GenLocated a e)’ matches

The import of ‘Data.List’ is redundant

The qualified import of ‘GHC.Parser.Annotation’ is redundant

Top-level binding with no type signature:

The import of ‘GHC.Data.Bag’ is redundant

The import item ‘GHC.Driver.CmdLine.Warn(..)’ suggests that

‘PlainGhcException’ is exported by ‘module GHC.Utils.Panic’ and ‘Plain.PlainGhcException’

The export item ‘Warn(..)’ suggests that

The import of ‘Data.List’ is redundant

Provide feedback