Code QuizIntermediate

Squash vs fixup messages

A developer uses squash but wanted to silently discard the combined commit's message.

Codebash
# git rebase -i HEAD~2 -> todo list below
# Goal: fold the fix into the first commit and KEEP ONLY the first message
pick a1b2c3 Add login
squash d4e5f6 Fix login bug

The goal is to combine both commits and keep only the first commit's message. What is the bug?