Use new Svt_INVLIST for inversion lists.

This converts inversion lists to use their own scalar type.

1 files changed, 8 insertions, 0 deletions

diff --git a/sv.h b/sv.h
index 475da61b7b..c2be3ba81d 100644
--- a/sv.h
+++ b/sv.h
@@ -528,6 +528,14 @@ struct xpvlv {
     char	xlv_flags;	/* 1 = negative offset  2 = negative len */
 };
 
+struct xpvinvlist {
+    _XPV_HEAD;
+    IV          prev_index;
+    STRLEN	iterator;
+    STRLEN	count;
+    bool	is_offset;	/* */
+};
+
 /* This structure works in 3 ways - regular scalar, GV with GP, or fast
    Boyer-Moore.  */
 struct xpvgv {