Core lint error building `network-188.8.131.52` with HEAD
network with a HEAD build causes the following panic. Turning on core lint also yields an error.
[ 2 of 11] Compiling Network.Socket.Types ( dist/build/Network/Socket/Types.hs, dist/build/Network/Socket/Types.o ) ghc: panic! (the 'impossible' happened) (GHC version 184.108.40.20690628: applyTypeToArgs Expression: fail_s4xg void# karg_s4Ak karg_s4Aj Type: Void# -> IO () Args: [void#, karg_s4Ak, karg_s4Aj] Call stack: CallStack (from HasCallStack): callStackDoc, called at compiler/utils/Outputable.hs:1179:37 in ghc:Outputable pprPanic, called at compiler/coreSyn/CoreUtils.hs:234:14 in ghc:CoreUtils Please report this as a GHC bug: https://www.haskell.org/ghc/reportabug
Something quite fundamental seems broken.