1 files changed, 1 insertions, 0 deletions
diff --git a/hv.h b/hv.h
index 5ad1459a2e..5b52f98460 100644
--- a/hv.h
+++ b/hv.h
@@ -123,6 +123,7 @@ struct xpvhv_aux {
 };
 
 #define HvAUXf_SCAN_STASH   0x1   /* stash is being scanned by gv_check */
+#define HvAUXf_NO_DEREF     0x2   /* @{}, %{} etc (and nomethod) not present */
 
 /* hash structure: */
 /* This structure must match the beginning of struct xpvmg in sv.h. */