This is an error I get when building v8 after 18th June 2018.
git checkout branch-heads/5.9
error: Your local changes to the following files would be overwritten by checkout:
tools/link_clicker.extension/icon.png
tools/turbolizer/turbolizer.png
Please, commit your changes or stash them before you can switch branches.
Aborting
This is an error I get when building v8 after 18th June 2018.