slow validate failure: UnliftedMutVar_Comp (hpc way)
Reproduce with
hadrian/build test --freeze1 --docs=none --flavour=slow-validate --test-speed=slow --only="UnliftedMutVar_Comp"
Looks like something needs to look through ticks or a failure in eta-expansion.
GHC version 9.5.20220805:
tyConAppTyCon
l_1c
Call stack:
CallStack (from HasCallStack):
callStackDoc, called at compiler/GHC/Utils/Panic.hs:188:37 in ghc:GHC.Utils.Panic
pprPanic, called at compiler/GHC/Core/Type.hs:1500:52 in ghc:GHC.Core.Type
tyConAppTyCon, called at compiler/GHC/Builtin/Types.hs:1622:35 in ghc:GHC.Builtin.Types
Please report this as a GHC bug: https://www.haskell.org/ghc/reportabug
*** unexpected failure for UnliftedMutVar_Comp(hpc)