#define PL_reg_starttry (*Perl_Treg_starttry_ptr(aTHXo))
#undef PL_reg_sv
#define PL_reg_sv (*Perl_Treg_sv_ptr(aTHXo))
+#undef PL_reg_sv_utf8
+#define PL_reg_sv_utf8 (*Perl_Treg_sv_utf8_ptr(aTHXo))
#undef PL_reg_whilem_seen
#define PL_reg_whilem_seen (*Perl_Treg_whilem_seen_ptr(aTHXo))
#undef PL_regbol