Reproduction steps:
1. Download the "VCSBug" project to your preferred workspace and open it
2. Connect it to Perforce
3. Add and submit all of the current assets
4. "Bug" -> "VCS"
5. "Checkout all"
6. "Revert Unchanged"

Expected Result: Reverting Unchanged files doesn't cause a script recompile
Actual Result: Reverting Unchanged files causes a script recompile

Reproduced with: 2020.1.0a8, 2019.3.0b6, 2019.2.9f1, 2018.4.11f1, 2017.4.33f1

Note:
On 2019.3 assemblies are locked for a significant amount of time
- Reproduces with all files, not just scripts