[lld] [llvm] [Symbolizer] Support for Missing Line Numbers. (PR #82240)

[via llvm-commits]

gbreynoo wrote:

> > I also think it should be clearer in the output of llvm-symbolizer when it is an approximate output value. You can input multiple addresses into llvm-symbolizer in one invocation so it would be useful to see which outputs required an estimate vs which are accurate.
> 
> Yeah, Thanks will do that. Is it ok to attach a tag such as (approximate) similar to (inlined by) at the end of Line:Column information?

That sounds good to me. With there being no equivalent functionality in addr2line to follow, I think you are right to follow the inline output behavior. 

https://github.com/llvm/llvm-project/pull/82240