extern void memInventory(void);
extern void checkSanity(void);
extern nat countBlocks(bdescr *);
+extern void checkNurserySanity( step *stp );
#endif
#if defined(DEBUG)
extern void move_TSO(StgTSO *src, StgTSO *dest);
extern StgTSO *relocate_stack(StgTSO *dest, ptrdiff_t diff);
-extern StgClosure * RTS_VAR(static_objects);
extern StgClosure * RTS_VAR(scavenged_static_objects);
extern StgWeak * RTS_VAR(old_weak_ptr_list);
extern StgWeak * RTS_VAR(weak_ptr_list);