[vim/vim] Hang when performing whole-line completion when &completeopt has fuzzy (Issue #19434)

[Jesse Pavel]

jessepav created an issue (vim/vim#19434)

Steps to reproduce

1. Save the attached file min1.html
2. vim --clean min1.html
3. :set completeopt=preview,fuzzy,noinsert,menuone
4. 6G (this goes to the first non-blank character in the line that begins with <div class="...
5. C (change to end of line)
6. Type <div cl and then press Ctrl+X Ctrl+L to invoke whole line completion.
7. Vim hangs, and needs a kill -9.

If &completeopt does not include fuzzy, this hang does not occur.

Expected behaviour

Not hang.

Version of Vim

9.2.14

Environment

OS: Debian 12
$TERM: screen-256color
shell: bash

Logs and stack traces

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[D. Ben Knoble]

benknoble left a comment (vim/vim#19434)

Related: #19008

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[Christian Brabandt]

Closed #19434 as completed via d8648f7.

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