#define PL_xrv_arenaroot (*Perl_Ixrv_arenaroot_ptr(aTHX))
#undef PL_xrv_root
#define PL_xrv_root (*Perl_Ixrv_root_ptr(aTHX))
+#undef PL_yycharp
+#define PL_yycharp (*Perl_Iyycharp_ptr(aTHX))
+#undef PL_yylvalp
+#define PL_yylvalp (*Perl_Iyylvalp_ptr(aTHX))
#undef PL_Sv
#define PL_Sv (*Perl_TSv_ptr(aTHX))
#undef PL_Xpv