GHC 9.6.0.20230128 parse error on input `#.`
Summary
I get a new parse error on the 9.6.0alpha2 that I didn't have earlier.
Steps to reproduce
$ cabal install cabal-plan --constraint='cabal-plan +exe' --allow-newer="base,template-haskell,bytestring,ghc-prim"
...
src/Optics/Internal/Utils.hs:16:6: error: [GHC-58481]
parse error on input ‘#.’
|
16 | , (#.)
| ^^
Link to the full log in cabal's CI.
Expected behavior
Builds ok as with 9.4.4 and earlier.
Environment
- GHC version used: 9.6.0.20230128
Optional:
- Operating System: all
- System Architecture: x86_64