#define PL_defstash (*Perl_Idefstash_ptr(aTHX))
#undef PL_delaymagic
#define PL_delaymagic (*Perl_Idelaymagic_ptr(aTHX))
+#undef PL_destroyhook
+#define PL_destroyhook (*Perl_Idestroyhook_ptr(aTHX))
#undef PL_diehook
#define PL_diehook (*Perl_Idiehook_ptr(aTHX))
#undef PL_dirty