patch 8.2.3264: Vim9: assign test fails

Problem:    Vim9: assign test fails.
Solution:   Add missing change.

Author: brammool

src/eval.c

@@ -1515,9 +1515,11 @@ tv_op(typval_T *tv1, typval_T *tv2, char_u *op)
     char_u	*s;
     int		failed = FALSE;
 
-    // Can't do anything with a Funcref, Dict, v:true on the right.
+    // Can't do anything with a Funcref or Dict on the right.
+    // v:true and friends only work with "..=".
     if (tv2->v_type != VAR_FUNC && tv2->v_type != VAR_DICT
-		      && tv2->v_type != VAR_BOOL && tv2->v_type != VAR_SPECIAL)
+		    && ((tv2->v_type != VAR_BOOL && tv2->v_type != VAR_SPECIAL)
+								|| *op == '.'))
     {
 	switch (tv1->v_type)
 	{

src/version.c

@@ -755,6 +755,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    3264,
 /**/
     3263,
 /**/