HsTick and HsBinTick

[Matthew Pickering]

FWIW, I fixed some code paths (locally) in the compiler before to not
panic when using the `HsTick` constructor as I wanted to generate some
code using Template Haskell which contained source notes. This was
useful for me for debugging a big explosion in code generation size.

On Mon, Apr 13, 2020 at 5:50 PM Krzysztof Gogolewski
<krz.gogolewski at gmail.com> wrote:
>
> I confirm. I added this in the description of https://gitlab.haskell.org/ghc/ghc/issues/16830.
> Krzysztof
>
> On Mon, Apr 13, 2020 at 1:00 PM Simon Peyton Jones via ghc-devs <ghc-devs at haskell.org> wrote:
>>
>> Friends
>>
>> I think HsTick and HsBinTick are added (only) by GHC.HsToCore.Coverage
>>
>> So I think the cannot occur in HsExpr GhcPs or HcExpr GhcRn
>>
>> If so we should change the data type decl to say this explicitly.
>>
>> Can anyone confirm or deny and add a ticket if so?
>>
>> Simon
>>
>>
>>
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