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-rw-r--r--intrpvar.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/intrpvar.h b/intrpvar.h
index 956b7dec93..4fa3c0d9a3 100644
--- a/intrpvar.h
+++ b/intrpvar.h
@@ -681,6 +681,12 @@ PERLVARI(Idestroyhook, destroyable_proc_t, MEMBER_TO_FPTR(Perl_sv_destroyable))
PERLVARI(Isv_serial, U32, 0) /* SV serial number, used in sv.c */
#endif
+/* Register of known Method Resolution Orders.
+ What this actually points to is an implementation detail (it may change to
+ a structure incorporating a reference count - use mro_get_from_name to
+ retrieve a C<struct mro_alg *> */
+PERLVAR(Iregistered_mros, HV *)
+
/* If you are adding a U8 or U16, check to see if there are 'Space' comments
* above on where there are gaps which currently will be structure padding. */