Cannot use ThreadId# with CApiFFI
In hashable
there is
foreign import ccall unsafe "rts_getThreadId" getThreadId
:: ThreadId# -> CInt
code. If ccall
is changed to capi
, GHC panics:
<no location info>: error:
panic! (the 'impossible' happened)
GHC version 9.4.3:
toCType
ThreadId#
Call stack:
CallStack (from HasCallStack):
callStackDoc, called at compiler/GHC/Utils/Panic.hs:182:37 in ghc:GHC.Utils.Panic
pprPanic, called at compiler/GHC/HsToCore/Foreign/Decl.hs:764:17 in ghc:GHC.HsToCore.Foreign.Decl
Please report this as a GHC bug: https://www.haskell.org/ghc/reportabug
cabal: Failed to build hashable-1.4.1.0 (which is required by