PERLVAR(Ipidstatus, HV *) /* pid-to-status mappings for waitpid */
PERLVARI(Imaxo, int, MAXO) /* maximum number of ops */
PERLVAR(Iosname, char *) /* operating system */
-PERLVARI(Ish_path, char *, SH_PATH)/* full path of shell */
+
+/* For binary compatibility with older versions only */
+PERLVARI(Ish_path_compat, char *, SH_PATH)/* full path of shell */
+
PERLVAR(Isighandlerp, Sighandler_t)
PERLVAR(Ixiv_arenaroot, XPV*) /* list of allocated xiv areas */
PERLVAR(Isignals, U32) /* Using which pre-5.8 signals */
+PERLVAR(Istashcache, HV *) /* Cache to speed up S_method_common */
+
PERLVAR(IDBassertion, SV *)
/* Don't forget to add your variable also to perl_clone()! */