nick added a comment.

> This warning can be turned off by the flag 
> `-Wno-uninitialized-const-reference`.

Suggesting to turn off the warning should be the last resort. I am pointing to 
the false positives for large existing code bases from `-Wall` diagnostic.

> I don't think we can just make the diagnostic not fire for empty body 
> consuming functions, if the function declaration and definition are in 
> different translation units.

I am talking about the particular situation that is involves only inline 
functions with empty bodies. `boost::ignore_unused`-like functions are 
obviously come with definition.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D79895/new/

https://reviews.llvm.org/D79895



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