[clang] [llvm][Stmt]:Fix musttail attribute on a function with not_tail_called attribute has no warning/error (PR #134465)

[Aaron Ballman via cfe-commits]

https://github.com/AaronBallman commented:

Thank you for this! Please be sure to add a release note to `clang/docs/ReleaseNotes.rst` so user know about the fix.

https://github.com/llvm/llvm-project/pull/134465