Empty Rules With Border-Radius And Calc Function

[v-nalabr]

I noticed that this tool fails in some cases when a calc() function is passed as a parameter to border-radius.

For example, .class { border-radius: 0 0 calc(0.25rem - 1px) calc(0.25rem - 1px); }

Becomes: .class { border-radius: ; }

Is this a known issue?