2 files changed, 13 insertions, 3 deletions

diff --git a/src/dispnew.c b/src/dispnew.c
index f31e185a84b..19261ef79e8 100644
--- a/src/dispnew.c
+++ b/src/dispnew.c
@@ -5016,6 +5016,10 @@ update_frame_1 (struct frame *f, bool force_p, bool inhibit_id_p,
             }
           while (row > top && col == 0);
 
+          /* We exit the loop with COL at the glyph _after_ the last one.  */
+          if (col > 0)
+            col--;
+
           /* Make sure COL is not out of range.  */
           if (col >= FRAME_CURSOR_X_LIMIT (f))
             {
diff --git a/src/treesit.c b/src/treesit.c
index b210ec0923a..b163685419f 100644
--- a/src/treesit.c
+++ b/src/treesit.c
@@ -2720,8 +2720,10 @@ the query.  */)
      every for loop and nconc it to RESULT every time.  That is indeed
      the initial implementation in which Yoav found nconc being the
      bottleneck (98.4% of the running time spent on nconc).  */
+  uint32_t patterns_count = ts_query_pattern_count (treesit_query);
   Lisp_Object result = Qnil;
   Lisp_Object prev_result = result;
+  Lisp_Object predicates_table = make_vector (patterns_count, Qt);
   while (ts_query_cursor_next_match (cursor, &match))
     {
       /* Record the checkpoint that we may roll back to.  */
@@ -2750,9 +2752,13 @@ the query.  */)
           result = Fcons (cap, result);
         }
       /* Get predicates.  */
-      Lisp_Object predicates
-        = treesit_predicates_for_pattern (treesit_query,
-                                          match.pattern_index);
+      Lisp_Object predicates = AREF (predicates_table, match.pattern_index);
+      if (EQ (predicates, Qt))
+        {
+          predicates = treesit_predicates_for_pattern (treesit_query,
+                                                       match.pattern_index);
+          ASET (predicates_table, match.pattern_index, predicates);
+        }
 
       /* captures_lisp = Fnreverse (captures_lisp); */
       struct capture_range captures_range = { result, prev_result };