[PATCH] D143984: [DebugMetadata] Simplify handling subprogram's retainedNodes field. NFCI (1/7)

[Vladislav Dzhidzhoev via Phabricator via cfe-commits]

dzhidzhoev commandeered this revision.
dzhidzhoev added a reviewer: krisb.
dzhidzhoev added a comment.

@krisb is out of office for some time, so she asked to retake and wrap up this patchset.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D143984/new/

https://reviews.llvm.org/D143984