#define PL_bufptr (*Perl_Ibufptr_ptr(aTHX))
#undef PL_checkav
#define PL_checkav (*Perl_Icheckav_ptr(aTHX))
+#undef PL_checkav_save
+#define PL_checkav_save (*Perl_Icheckav_save_ptr(aTHX))
+#undef PL_clocktick
+#define PL_clocktick (*Perl_Iclocktick_ptr(aTHX))
#undef PL_collation_ix
#define PL_collation_ix (*Perl_Icollation_ix_ptr(aTHX))
#undef PL_collation_name
#define PL_nthreads (*Perl_Inthreads_ptr(aTHX))
#undef PL_nthreads_cond
#define PL_nthreads_cond (*Perl_Inthreads_cond_ptr(aTHX))
-#undef PL_nullstash
-#define PL_nullstash (*Perl_Inullstash_ptr(aTHX))
#undef PL_numeric_compat1
#define PL_numeric_compat1 (*Perl_Inumeric_compat1_ptr(aTHX))
#undef PL_numeric_local