vim-patch:8.2.4237: record buffer wrong if character in Select mode was not typed

Problem:    Record buffer wrong if character in Select mode was not typed.
Solution:   Only delete the tail from the record buffer if the character was
            typed. (closes vim/vim#9650)
fbf4f1ca15

src/nvim/normal.c

@@ -1013,9 +1013,11 @@ static int normal_execute(VimState *state, int key)
     // be mapped in Insert mode.  Required for ":lmap" to work.
     int len = ins_char_typebuf(s->c, mod_mask);
 
-    // When recording the character will be recorded again, remove the
-    // previously recording.
+    // When recording and gotchars() was called the character will be
+    // recorded again, remove the previous recording.
+    if (KeyTyped) {
       ungetchars(len);
+    }
 
     if (restart_edit != 0) {
       s->c = 'd';

src/nvim/testdir/test_registers.vim

@@ -517,6 +517,17 @@ func Test_record_in_select_mode()
   sil norm q00
   sil norm q
   call assert_equal('0ext', getline(1))
+
+  %delete
+  let @r = ''
+  call setline(1, ['abc', 'abc', 'abc'])
+  smap <F2> <Right><Right>,
+  call feedkeys("qrgh\<F2>Dk\<Esc>q", 'xt')
+  call assert_equal("gh\<F2>Dk\<Esc>", @r)
+  norm j0@rj0@@
+  call assert_equal([',Dk', ',Dk', ',Dk'], getline(1, 3))
+  sunmap <F2>
+
   bwipe!
 endfunc