3 Cannot generalise these overloadings (in a _ccall_):
4 `PrelGHC.CReturnable aMl' arising from the result of the _ccall_ to f, at cc004.hs:18
7 Cannot generalise these overloadings (in a _ccall_):
8 `PrelGHC.CReturnable aNp' arising from the result of the _ccall_ to f, at cc004.hs:11
11 Compilation had errors