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-rw-r--r--intrpvar.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/intrpvar.h b/intrpvar.h
index 1ff9ac8660..73cc5f36bf 100644
--- a/intrpvar.h
+++ b/intrpvar.h
@@ -104,6 +104,7 @@ PERLVAR(Ibeginav, AV *) /* names of BEGIN subroutines */
PERLVAR(Iendav, AV *) /* names of END subroutines */
PERLVAR(Iinitav, AV *) /* names of INIT subroutines */
PERLVAR(Istrtab, HV *) /* shared string table */
+PERLVARI(Isub_generation,U32,1) /* incr to invalidate method cache */
/* memory management */
PERLVAR(Isv_count, I32) /* how many SV* are currently allocated */