[clang] Unexpected source location in method chaining(explicit this)

<img width="2331" height="926" alt="Image" src="https://github.com/user-attachments/assets/b6c10e5a-036e-47cc-94db-d2ecb99b999a" />

https://godbolt.org/z/qWq863To9

Related: https://github.com/llvm/llvm-project/issues/119129