[commit: ghc] ghc-8.6's head updated: Handle DuplicateRecordFields correctly in filterImports (fixes #14487) (ccd8ce4)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

Branch 'ghc-8.6' now includes:

     749bc1a testsuite: Mark T3001-2 as broken on 32-bit platforms
     9897440 testsuite: Mark print022 as broken on 32-bit platforms
     ccd8ce4 Handle DuplicateRecordFields correctly in filterImports (fixes #14487)