[PATCH] D147920: [clang] Add test for CWG399

[Shafik Yaghmour via Phabricator via cfe-commits]

shafik accepted this revision.
shafik added a comment.

LGTM, apologies, it fell off my radar


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D147920/new/

https://reviews.llvm.org/D147920