Minor
diff --git a/src/hb-buffer-private.hh b/src/hb-buffer-private.hh
index 91e7560..9fa1e4b 100644
--- a/src/hb-buffer-private.hh
+++ b/src/hb-buffer-private.hh
@@ -156,7 +156,21 @@
HB_INTERNAL void copy_glyph (void);
/* Copies glyph at idx to output and advance idx.
* If there's no output, just advance idx. */
- HB_INTERNAL void next_glyph (void);
+ inline void
+ next_glyph (void)
+ {
+ if (have_output)
+ {
+ if (unlikely (out_info != info || out_len != idx)) {
+ if (unlikely (!make_room_for (1, 1))) return;
+ out_info[out_len] = info[idx];
+ }
+ out_len++;
+ }
+
+ idx++;
+ }
+
/* Advance idx without copying to output. */
inline void skip_glyph (void) { idx++; }
