Losing the file during rebase

Hello,

I'd like to report an issue. I'm not sure if it is a bug. Git just behaves not in the way as I expected.

$ git --version git version 2.34.1

The problem is that Git  is losing the file when I do rebase. Following are the steps to reproduce the issue:

1. mkdir test
2. cd test
3. git init
4. touch 1.cpp
5. git add 1.cpp
6. git commit -m "Added 1.cpp"
7. touch 2.cpp
8. touch 3.cpp
9. git add 2.cpp 3.cpp
10. git commit -m "Added 2.cpp and 3.cpp"
11. git restore --source @~1 2.cpp
12. git add -u
13. git commit -m "Delete committed 2.cpp"
14. git revert @
15. git rebase -i @~3
16. Now in the opened editor
    a. move the last commit (revert commit) to the top of the commits list
    b. squash/embed  (by typing 'f') the "Delete comitted 2.cpp" commit into the commit "Added 2.cpp and 3.cpp"
17. Save and exit
18. ls

The output is : 1.cpp 3.cpp
Expected: 1.cpp 2.cpp 3.cpp

In case if at the step #16 you first do 16b, then close the editor, then start rebase again and do 16a, then all the files are on their places.

Kind regards Dmytro Ovdiienko

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