mkImplicitUnfolding :: DynFlags -> CoreExpr -> Unfolding
-- For implicit Ids, do a tiny bit of optimising first
mkImplicitUnfolding dflags expr
    = mkTopUnfolding dflags False (simpleOptExpr expr)
mkImplicitUnfolding :: DynFlags -> CoreExpr -> Unfolding
mkImplicitUnfolding dflags expr
    = mkTopUnfolding dflags False (simpleOptExpr expr)
mkImplicitUnfolding dflags expr
    = mkTopUnfolding dflags False (simpleOptExpr expr)