Panic with overloaded quotations
ghc: panic! (the 'impossible' happened)
(GHC version 8.11.0.20200213:
compiler/deSugar/DsMeta.hs:2126:5-46: Non-exhaustive patterns in (_, [elt_ty])
Please report this as a GHC bug: https://www.haskell.org/ghc/reportabug
Program:
https://gist.github.com/mpickering/dcc9403b0348dc481e47fe28ed093305