[commit: ghc] wip/rae's head updated: s/Invisible/Inferred/g s/Visible/Required/g (1b4cab5)

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

Branch 'wip/rae' now includes:

     df9611e Testsuite: do not copy .hi/.o files to testdir (#12112)
     d2958bd Improve typechecking of instance defaults
     c871ce4 Comments around invisibility
     393928d Fix renamer panic
     f86a337 Remove bogus comment on ForAllTy
     bb84ee4 Improve pretty-printing of Avail
     12c4449 Implement ReifyConStrictness for -fexternal-interpreter (#12219)
     d2006d0 Run all TH tests with -fexternal-interpreter (#12219)
     bdb0d24 Remote GHCi: separate out message types
     eb73219 Remote GHCi: comments only
     0bab375 Fix T8761  (#12219, #12077)
     dadd8b8 Test Trac #12229
     1b4cab5 s/Invisible/Inferred/g s/Visible/Required/g