patch 9.1.0216: Error on exit with EXITFREE and 'winfixbuf'

Problem:  Error on exit with EXITFREE and 'winfixbuf'.
Solution: Handle DT_FREE before checking for 'winfixbuf'.
          (zeertzjq)

closes: #14314

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

src/tag.c

@@ -289,17 +289,6 @@ do_tag(
     static char_u	**matches = NULL;
     static int		flags;
 
-    if (postponed_split == 0 && !check_can_set_curbuf_forceit(forceit))
-        return FALSE;
-
-#ifdef FEAT_EVAL
-    if (tfu_in_use)
-    {
-	emsg(_(e_cannot_modify_tag_stack_within_tagfunc));
-	return FALSE;
-    }
-#endif
-
 #ifdef EXITFREE
     if (type == DT_FREE)
     {
@@ -313,6 +302,17 @@ do_tag(
     }
 #endif
 
+#ifdef FEAT_EVAL
+    if (tfu_in_use)
+    {
+	emsg(_(e_cannot_modify_tag_stack_within_tagfunc));
+	return FALSE;
+    }
+#endif
+
+    if (postponed_split == 0 && !check_can_set_curbuf_forceit(forceit))
+        return FALSE;
+
     if (type == DT_HELP)
     {
 	type = DT_TAG;

src/testdir/test_winfixbuf.vim

@@ -1,6 +1,7 @@
 " Test 'winfixbuf'
 
 source check.vim
+source shared.vim
 
 " Find the number of open windows in the current tab
 func s:get_windows_count()
@@ -3427,4 +3428,15 @@ func Test_bufdo_cnext_splitwin_fails()
   set winminheight&vim winheight&vim
 endfunc
 
+" Test that exiting with 'winfixbuf' and EXITFREE doesn't cause an error.
+func Test_exitfree_no_error()
+  let lines =<< trim END
+    set winfixbuf
+    qall!
+  END
+  call writefile(lines, 'Xwfb_exitfree', 'D')
+  call assert_notmatch('E1513:',
+        \ system(GetVimCommandClean() .. ' -X -S Xwfb_exitfree'))
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab

src/version.c

@@ -704,6 +704,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    216,
 /**/
     215,
 /**/