never mind. i see that's it's been discussed and there's a ticket https://gitlab.haskell.org/ghc/ghc/-/issues/21633 and a related MR https://gitlab.haskell.org/ghc/ghc/-/merge_requests/8332.
On Tue, May 24, 2022 at 5:34 PM Shayne Fletcher < shayne.fletcher...@gmail.com> wrote: > i've found for the last couple of weeks, the 9.4 branch fails to build > with the following error. is this known? a fix in the works? > ``` > libraries/bytestring/Data/ByteString/Internal.hs:292:23: error: > • Couldn't match type ‘m’ with ‘TH.Q’ > ‘m’ is a rigid type variable bound by > the type signature for: > TH.lift :: forall (m :: * -> *). > TH.Quote m => > ByteString -> m TH.Exp > at libraries/bytestring/Data/ByteString/Internal.hs:292:3-6 > Expected type: m TH.Exp > Actual type: TH.Q TH.Exp > • In the expression: > [| unsafePackLenLiteral |] > `TH.appE` TH.litE (TH.integerL (fromIntegral len)) > `TH.appE` > TH.litE (TH.BytesPrimL $ TH.Bytes ptr 0 (fromIntegral len)) > In an equation for ‘TH.lift’: > TH.lift (BS ptr len) > = [| unsafePackLenLiteral |] > `TH.appE` TH.litE (TH.integerL (fromIntegral len)) > `TH.appE` > TH.litE (TH.BytesPrimL $ TH.Bytes ptr 0 (fromIntegral > len)) > In the instance declaration for ‘TH.Lift ByteString’ > • Relevant bindings include > lift :: ByteString -> m TH.Exp > (bound at libraries/bytestring/Data/ByteString/Internal.hs:292:3) > | > 292 | lift (BS ptr len) = [| unsafePackLenLiteral |] > | ^^^^^^^^^^^^^^^^^^^^^^^^^^... > ``` > > -- > Shayne Fletcher > -- Shayne Fletcher
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