# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1601327703 -7200
# Node ID 9f4c3e20b5f7e14be71f38c1ccc5dc4b8b7c77f3
# Parent  db8b2b99f59e61625dfddca304bcc78f3eee8d8c
patch 8.2.1770: invalid memory use when using SpellFileMissing autocmd

Commit: https://github.com/vim/vim/commit/d569a9e74684cd17f9cea63e804281388728e513
Author: Bram Moolenaar <Bram@vim.org>
Date:   Mon Sep 28 23:13:15 2020 +0200

    patch 8.2.1770: invalid memory use when using SpellFileMissing autocmd

    Problem:    Invalid memory use when using SpellFileMissing autocmd.
    Solution:   Add test case. (Dominique Pell?, closes https://github.com/vim/vim/issues/7036)  Fix using a window
                that was closed.

diff --git a/src/spell.c b/src/spell.c
--- a/src/spell.c
+++ b/src/spell.c
@@ -2280,11 +2280,11 @@ did_set_spelllang(win_T *wp)
 		}
 	    }
     }
+    redraw_win_later(wp, NOT_VALID);
 
 theend:
     vim_free(spl_copy);
     recursive = FALSE;
-    redraw_win_later(wp, NOT_VALID);
     return ret_msg;
 }
 
diff --git a/src/testdir/test_spell.vim b/src/testdir/test_spell.vim
--- a/src/testdir/test_spell.vim
+++ b/src/testdir/test_spell.vim
@@ -120,6 +120,29 @@ foobar/?
   set spell&
 endfunc
 
+func Test_spell_file_missing()
+  let s:spell_file_missing = 0
+  augroup TestSpellFileMissing
+    autocmd! SpellFileMissing * let s:spell_file_missing += 1
+  augroup END
+
+  set spell spelllang=ab_cd
+  let messages = GetMessages()
+  call assert_equal('Warning: Cannot find word list "ab.utf-8.spl" or "ab.ascii.spl"', messages[-1])
+  call assert_equal(1, s:spell_file_missing)
+
+  new XTestSpellFileMissing
+  augroup TestSpellFileMissing
+    autocmd! SpellFileMissing * bwipe
+  augroup END
+  call assert_fails('set spell spelllang=ab_cd', 'E797:')
+
+  augroup! TestSpellFileMissing
+  unlet s:spell_file_missing
+  set spell& spelllang&
+  %bwipe!
+endfunc
+
 func Test_spelllang_inv_region()
   set spell spelllang=en_xx
   let messages = GetMessages()
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1770,
+/**/
     1769,
 /**/
     1768,