Lost files after git stash && git stash pop

[Till Friebe <friebetill@gmail.com>]

Thank you for filling out a Git bug report!
Please answer the following questions to help us understand your issue.

What did you do before the bug happened? (Steps to reproduce your issue)
```
git init
mkdir README
touch README/README
git add .
git commit -m "Init project"
echo "Test" > README/README
mv README/README README2
rmdir README
mv README2 README
git stash 
git stash pop
```

What did you expect to happen? (Expected behavior)
I expected that after the `git stash pop` the README file would be back.

What happened instead? (Actual behavior)
This README with "Test" file was deleted and I lost 5 hours of work.

What's different between what you expected and what actually happened?
The file doesn't exist anymore and I can't recover it.

Anything else you want to add:
This is just a reproducible example.

Please review the rest of the bug report below.
You can delete any lines you don't wish to share.


[System Info]
git version:
git version 2.39.2 (Apple Git-143)
cpu: arm64
no commit associated with this build
sizeof-long: 8
sizeof-size_t: 8
shell-path: /bin/sh
feature: fsmonitor--daemon
uname: Darwin 22.5.0 Darwin Kernel Version 22.5.0: Thu Jun  8 22:22:20 PDT 2023; root:xnu-8796.121.3~7/RELEASE_ARM64_T6000 arm64
compiler info: clang: 14.0.3 (clang-1403.0.22.14.1)
libc info: no libc information available
$SHELL (typically, interactive shell): /bin/zsh


[Enabled Hooks]