Merge 10.5 into 10.6

mysql-test/suite/innodb/t/temporary_table.test

@@ -11,6 +11,7 @@
 
 --disable_query_log
 call mtr.add_suppression("Can't create/write to file '/dev/null/nonexistent/ib");
+call mtr.add_suppression("Can't create/write to file '' \\\(Errcode: 20 \"Not a directory\"\\\)");
 call mtr.add_suppression("InnoDB: Unable to create temporary file");
 call mtr.add_suppression("last file in setting innodb_temp_data_file_path");
 call mtr.add_suppression("The table 't1' is full");

storage/innobase/row/row0ins.cc

@@ -3445,7 +3445,6 @@ row_ins_index_entry_set_vals(
 				field->len = UNIV_SQL_NULL;
 				field->type.prtype = DATA_BINARY_TYPE;
 			} else {
-				ut_ad(col->len <= UNIV_PAGE_SIZE_MAX);
 				ut_ad(ind_field->fixed_len <= col->len);
 				dfield_set_data(field, field_ref_zero,
 						ind_field->fixed_len);