- -- | For compatibility with the FFI addendum only. The recommended
- -- place to get this from is "System.IO.Unsafe".
+ -- | 'unsafePerformIO' is exported here for backwards
+ -- compatibility reasons only. For doing local marshalling in
+ -- the FFI, use 'unsafeLocalState'. For other uses, see
+ -- 'System.IO.Unsafe.unsafePerformIO'.