Specialisation doesn't kick in -- NOW WITH MINIMAL WORKING EXAMPLE (RE: Instantiation of overloaded definition *in Core*)

[ÉRDI Gergő]

On Fri, 22 Oct 2021, Matthew Pickering wrote:

> If there is a ticket then I can look into it next week.

Thanks! I've added it as https://gitlab.haskell.org/ghc/ghc/-/issues/20556