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patch 8.1.1968: crash when using nested map()

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Problem:    Crash when using nested map().
Solution:   Clear the pointer in prepare_vimvar(). (Ozaki Kiichi,
            closes #4890, closes #4891)
This commit is contained in:
Bram Moolenaar
2019-09-03 17:13:37 +02:00
parent 8e0a8e7eb7
commit 27da7de7c5
4 changed files with 12 additions and 1 deletions
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4
src/testdir/test_functions.vim
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@@ -1543,6 +1543,10 @@ func Test_readdir()
let files = readdir('Xdir', {x -> len(add(l, x)) == 2 ? -1 : 1})
call assert_equal(1, len(files))
" Nested readdir() must not crash
let files = readdir('Xdir', 'readdir("Xdir", "1") != []')
call sort(files)->assert_equal(['bar.txt', 'dir', 'foo.txt'])
eval 'Xdir'->delete('rf')
endfunc