Describe the bug
arrow-alt-to-top (duotone) arrow points to the bottom like arrow-alt-to-bottom.
Expected behavior
The icon should point to the top.
Screenshots

Version and implementation
Version: 5.10.0
Browser and version: Google Chrome 75
Bug report checklist
Thanks!
I've also spotted a couple more:
Let's assign @sensibleworld
These have been fixed as of 5.10.1