extern DLL_IMPORT const StgClosure PrelIOBase_BlockedOnDeadMVar_closure;
extern DLL_IMPORT const StgClosure PrelIOBase_NonTermination_closure;
extern DLL_IMPORT const StgClosure PrelIOBase_BlockedOnDeadMVar_closure;
extern DLL_IMPORT const StgClosure PrelIOBase_NonTermination_closure;