vim-patch:8.2.3254: win_gettype() does not recognize a quickfix window

Problem:    win_gettype() does not recognize a quickfix window.
Solution:   Add "quickfix" and "loclist". (Yegappan Lakshmanan, closes vim/vim#8676)
28d8421bfb

runtime/doc/eval.txt

@@ -9323,10 +9323,12 @@ win_gettype([{nr}])					*win_gettype()*
 		Return the type of the window:
 			"autocmd"	autocommand window. Temporary window
 					used to execute autocommands.
-			"popup"		popup window |popup|
-			"preview"	preview window |preview-window|
 			"command"	command-line window |cmdwin|
 			(empty)		normal window
+			"loclist"	|location-list-window|
+			"popup"		popup window |popup|
+			"preview"	preview window |preview-window|
+			"quickfix"	|quickfix-window|
 			"unknown"	window {nr} not found
 
 		When {nr} is omitted return the type of the current window.

src/nvim/eval/funcs.c

@@ -11392,6 +11392,9 @@ static void f_win_gettype(typval_T *argvars, typval_T *rettv, FunPtr fptr)
     rettv->vval.v_string = vim_strsave((char_u *)"popup");
   } else if (wp == curwin && cmdwin_type != 0) {
     rettv->vval.v_string = vim_strsave((char_u *)"command");
+  } else if (bt_quickfix(wp->w_buffer)) {
+    rettv->vval.v_string = vim_strsave((char_u *)(wp->w_llist_ref != NULL ?
+                                                  "loclist" : "quickfix"));
   }
 }
 

src/nvim/testdir/test_quickfix.vim

@@ -5291,4 +5291,21 @@ func Test_locationlist_open_in_newtab()
   %bwipe!
 endfunc
 
+" Test for win_gettype() in quickfix and location list windows
+func Test_win_gettype()
+  copen
+  call assert_equal("quickfix", win_gettype())
+  let wid = win_getid()
+  wincmd p
+  call assert_equal("quickfix", win_gettype(wid))
+  cclose
+  lexpr ''
+  lopen
+  call assert_equal("loclist", win_gettype())
+  let wid = win_getid()
+  wincmd p
+  call assert_equal("loclist", win_gettype(wid))
+  lclose
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab