[clang-tools-extra] [clang-tidy] Filter out googletest TUs in bugprone-unchecked-optional-access (PR #115051)

[Carlos Galvez via cfe-commits]

carlosgalvezp wrote:

A quick middle-point solution is to add an option to allow ignoring code that is executed from within macros, or even 
allow the user to specify which macros to ignore.

https://github.com/llvm/llvm-project/pull/115051