[llvm] [DwarfDebug] Associate subprogram DIEs with their Functions (PR #162852)

[David Blaikie via llvm-commits]

dwblaikie wrote:

> Could you refresh my memory/add some notes here about the function clones situation - link to the original discussions we had on tihs maybe, it's a while ago and I've lost context on how we got to "we should have multiple functions associated with the same DISubprogram". Be good to have some breadcrumbs here to follow back.

Ah, right ,it's pretty well summarized in the description of https://github.com/llvm/llvm-project/pull/162854

https://github.com/llvm/llvm-project/pull/162852