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vim-patch:9.1.1447: completion: crash when backspacing with fuzzy completion

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Problem:  completion: crash when backspacing with fuzzy completion
Solution: Don't dereference compl_first_match when it's NULL
          (zeertzjq).

related: neovim/neovim#34419
closes: vim/vim#17511

91782b4aeb
This commit is contained in:
zeertzjq
2025-06-11 06:38:40 +08:00
parent b5aef05b8f
commit ac772706cc
2 changed files with 33 additions and 6 deletions
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25
test/old/testdir/test_ins_complete.vim
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@ -4835,4 +4835,29 @@ func Test_complete_unloaded_buf_refresh_always()
delfunc TestComplete
endfunc
func Test_complete_fuzzy_omnifunc_backspace()
let g:do_complete = v:false
func Omni_test(findstart, base)
if a:findstart
let g:do_complete = !g:do_complete
endif
if g:do_complete
return a:findstart ? 0 : [#{word: a:base .. 'def'}, #{word: a:base .. 'ghi'}]
endif
return a:findstart ? -3 : {}
endfunc
new
redraw " need this to prevent NULL dereference in Nvim
setlocal omnifunc=Omni_test
setlocal completeopt=menuone,fuzzy,noinsert
call setline(1, 'abc')
call feedkeys("A\<C-X>\<C-O>\<BS>\<Esc>0", 'tx!')
call assert_equal('ab', getline(1))
bwipe!
delfunc Omni_test
unlet g:do_complete
endfunc
" vim: shiftwidth=2 sts=2 expandtab nofoldenable