Problem: Using freed memory with full tag stack and user data
(Konstantin Khlebnikov)
Solution: Clear the user data pointer of the newest entry.
(zeertzjq, Konstantin Khlebnikov)
fixes: neovim/neovim#27498
closes: #14053
Co-authored-by: Konstantin Khlebnikov koct9i@gmail.com
Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Konstantin Khlebnikov koct9i@gmail.com
Signed-off-by: Christian Brabandt <cb@256bit.org>