[ot] Simplify form_clusters()
diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index 4f953f0..0a11fec 100644
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -504,16 +504,13 @@
}
void
-hb_buffer_t::merge_clusters (unsigned int start,
- unsigned int end)
+hb_buffer_t::merge_clusters_impl (unsigned int start,
+ unsigned int end)
{
#ifdef HB_NO_MERGE_CLUSTERS
return;
#endif
- if (unlikely (end - start < 2))
- return;
-
unsigned int cluster = info[start].cluster;
for (unsigned int i = start + 1; i < end; i++)
