Support for reporting waste via duplication

Does bloaty have any support for reporting waste via duplication?

I'm thinking of cases when bloaty takes in something like an .a or a list of .o, and then reports symbols (for example) which have the most waste, defined as `(N - 1) * size` for a symbol that occurs N times. I.e., you only need one copy of a given symbol, the rest are waste (this usually happens for things defined in header and instantiated in many TUs).

Open to ideas on post-processing bloaty's output to get this info too.