#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