[clang-tools-extra] [clang-tidy] Fix for cppcoreguidelines-pro-type-union-access if memLoc is invalid (PR #104540)

[Konstantin Romanov via cfe-commits]

ksromanov wrote:

> EDIT: Turns out I can just do it, never knew I could press that button on the PR. Anyway should re-trigger things :).

Thank you!


https://github.com/llvm/llvm-project/pull/104540