/* File descriptor to talk to the child which dumps scalars. */
PERLVARI(Idumper_fd, int, -1)
#endif
+
+#ifdef PERL_IMPLICIT_CONTEXT
+PERLVARI(Imy_cxt_size, int, 0) /* size of PL_my_cxt_list */
+PERLVARI(Imy_cxt_list, void **, NULL) /* per-module array of MY_CXT pointers */
+#endif
+
/* New variables must be added to the very end, before this comment,
* for binary compatibility (the offsets of the old members must not change).
* (Don't forget to add your variable also to perl_clone()!)