[PATCH] D101598: [clang][Sema] adds `[[clang::no_address]]` attribute

[Louis Dionne via Phabricator via cfe-commits]

ldionne added a comment.

Just for posterity, what we discussed is that since there is a list of addressable functions in the standard, we should explore adding a warning to Clang that fires whenever somebody takes the address of a function in namespace `std`, except if it's an addressable function. That list would either be maintained explicitly in Clang, or, preferably, we'd have an attribute that we can mark addressable functions with so that the compiler doesn't flag those specific functions.

I'm not sure whether that is actually a good approach, but I told @cjdb that from the library perspective, I was more comfortable with marking a few functions with that attribute than marking basically everything in the library with `[[noaddress]]`.


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https://reviews.llvm.org/D101598