[llvm] [DebugInfo][DwarfDebug] Separate creation and population of abstract subprogram DIEs (PR #159104)

[David Blaikie via llvm-commits]

https://github.com/dwblaikie commented:

Yeah, if a separate pass over all the functions in the module is what it takes... 

I guess I was trying to avoid that in the past, but it certainly creates challenges trying to decide whether to create an abstract subprogram, what to fill it with, etc... 

https://github.com/llvm/llvm-project/pull/159104