This bug was found in Source SDK library. The error is detected by the following diagnostic: V525 The code containing the collection of similar blocks. Check items ‘SetX’, ‘SetY’, ‘SetZ’, ‘SetZ’.
SourceSDK
Start using enum class in your code, if possible
This bug was found in Source SDK library. The error is detected by the following diagnostic: V556 The values of different enum types are compared: Reason == PUNTED_BY_CANNON.
How Not To Code 