[clang] [Clang] Extend lifetime bound analysis to support assignments (PR #96475)

[Utkarsh Saxena via cfe-commits]

https://github.com/usx95 commented:

You can also add "Fixes: https://github.com/llvm/llvm-project/issues/54492" to description to close this bug as this only asks for pointer type support

Please also add release notes.

https://github.com/llvm/llvm-project/pull/96475