[PATCH] D33615: Move summary dead stripping before regular LTO and record results in the combined summary

[Peter Collingbourne via Phabricator via llvm-commits]

pcc added a comment.

In https://reviews.llvm.org/D33615#766340, @eugenis wrote:

> In https://reviews.llvm.org/D33615#766324, @pcc wrote:
>
> > Can we repurpose the `LiveRoot` bit to mean `Live`?
>
>
> As in give it a different meaning in combined summary? Looks like we can do that. We'll still need to increase the version number because existing objects have LiveRoot==false for most symbols.


Right, and upgrade old summaries to `Live == true`.


Repository:
  rL LLVM

https://reviews.llvm.org/D33615