commit b2c8750c4e95f64a8dff912af81e13318b3f6ed6
author Bram Moolenaar <Bram@vim.org> Sat Oct 14 21:15:58 2017 +0200
committer Bram Moolenaar <Bram@vim.org> Sat Oct 14 21:15:58 2017 +0200
tree 55be4c79f21f17a5f97ecad64efefa47c808b41c
parent ac8069bb63c5954c787fe93b7a9265de3c0c6853

patch 8.0.1193: crash when wiping out a buffer after using getbufinfo()

Problem:    Crash when wiping out a buffer after using getbufinfo().
            (Yegappan Lakshmanan)
Solution:   Remove b:changedtick from the buffer variables.

src/testdir/test_autocmd.vim

diff --git a/src/testdir/test_autocmd.vim b/src/testdir/test_autocmd.vim
index d0564f3..49388a1 100644
--- a/src/testdir/test_autocmd.vim
+++ b/src/testdir/test_autocmd.vim
@@ -769,10 +769,14 @@
   bwipe!
   call assert_equal(1, line('$'))
   call assert_equal('', bufname('%'))
-  call assert_equal(1, len(getbufinfo()))
+  let g:bufinfo = getbufinfo()
+  call assert_equal(1, len(g:bufinfo))
 
   call delete('Xxx1')
   call delete('Xxx2')
   %bwipe
   au! BufLeave
+
+  " check that bufinfo doesn't contain a pointer to freed memory
+  call test_garbagecollect_now()
 endfunc