[Diffusion] rGe4ec6ce8a75c: Clang: Add release note for defaulted-special-members-POD GCC ABI fix

[Hubert Tong via Phabricator via cfe-commits]

hubert.reinterpretcast added inline comments.

BRANCHES
  main

/clang/docs/ReleaseNotes.rst:612-613 Shouldn't the usage of POD here be clarified to say that we mean "POD for the purposes of Itanium ABI layout"?

Users:
  dblaikie (Author)

https://reviews.llvm.org/rGe4ec6ce8a75c