#define PL_op_mutex (*Perl_Gop_mutex_ptr(NULL))
#undef PL_patleave
#define PL_patleave (*Perl_Gpatleave_ptr(NULL))
+#undef PL_sharedsv_space
+#define PL_sharedsv_space (*Perl_Gsharedsv_space_ptr(NULL))
+#undef PL_sharedsv_space_mutex
+#define PL_sharedsv_space_mutex (*Perl_Gsharedsv_space_mutex_ptr(NULL))
#undef PL_thr_key
#define PL_thr_key (*Perl_Gthr_key_ptr(NULL))