[llvm-branch-commits] [clang] [Clang] Fix 'counted_by' for nested struct pointers (#110497) (PR #111445)

[Eli Friedman via llvm-branch-commits]

https://github.com/efriedma-quic approved this pull request.

LGTM

This should be safe to merge: it only affects usage of the new counted_by attribute, and this fixes a significant bug blocking usage of that feature.

https://github.com/llvm/llvm-project/pull/111445