[clang] [clang-tools-extra] FunctionDecl::getFunctionTypeLoc: ignore function type attributes (PR #118420)

[Robert Dazi via cfe-commits]

v01dXYZ wrote:

Reminder to myself: the documentation comment for getFunctionTypeLoc maybe needs to be modified to indicate support for annotated function.

https://github.com/llvm/llvm-project/pull/118420