#define PL_doswitches (*Perl_Idoswitches_ptr(aTHX))
#undef PL_dowarn
#define PL_dowarn (*Perl_Idowarn_ptr(aTHX))
+#undef PL_dumper_fd
+#define PL_dumper_fd (*Perl_Idumper_fd_ptr(aTHX))
#undef PL_e_script
#define PL_e_script (*Perl_Ie_script_ptr(aTHX))
#undef PL_egid