[commit: ghc] master's head updated: Fix #11313. (a615215)

[git at git.haskell.org]

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

Branch 'master' now includes:

     b962bcc Make exactTyCoVarsOfTypes closed over kinds.
     90f3561 Existentials should be specified.
     aff5bb4 Add missing kind cast to pure unifier.
     7d8031b Remove extraneous fundeps on (~)
     6f952f5 Use CoercionN and friends in TyCoRep
     43468fe Fix #11241.
     489e6ab Fix #11246.
     a615215 Fix #11313.