[PATCH] D121870: Use a stable-sort when combining bases

[Valentin Clement via Phabricator via llvm-commits]

clementval added a comment.

This change breaks some CI. Precheck even failed on this. Can you revert,


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D121870/new/

https://reviews.llvm.org/D121870