[llvm-branch-commits] [clang] release/21.x: [clang-format] Fix a bug in `DerivePointerAlignment: true` (#150387) (PR #150458)

[Owen Pan via llvm-branch-commits]

owenca wrote:

See https://github.com/llvm/llvm-project/pull/149602#pullrequestreview-3055128201. Depending on when the public Google C++ style guide gets updated on this, we might want to backport #149602 instead.

https://github.com/llvm/llvm-project/pull/150458