[clang] [llvm] [clang] Add hasAdjSubstatements matcher (PR #169965)

[Yanzuo Liu via llvm-commits]

https://github.com/zwuis commented:

Please run "clang/docs/tools/dump_ast_matchers.py" to update documentation.

Please add a release note entry to "clang/docs/ReleaseNotes.rst".

https://github.com/llvm/llvm-project/pull/169965