U32 xhv_last_rand; /* last random value for hash traversal,
used to detect each() after insert for warnings */
#endif
+ U32 xhv_fill_lazy;
};
/* hash structure: */
# define Nullhv Null(HV*)
#endif
#define HvARRAY(hv) ((hv)->sv_u.svu_hash)
-#define HvFILL(hv) Perl_hv_fill(aTHX_ (const HV *)(hv))
+#define HvFILL(hv) Perl_hv_fill(aTHX_ MUTABLE_HV(hv))
#define HvMAX(hv) ((XPVHV*) SvANY(hv))->xhv_max
/* This quite intentionally does no flag checking first. That's your
responsibility. */