[clang] [llvm] [Clang] restrict use of attribute names reserved by the C++ standard (PR #106036)

[Aaron Ballman via llvm-commits]

AaronBallman wrote:

> IN SUMMARY: I think this proposal minus the std check is acceptable.

+1

> I think the proposed-not-implemented warning of "you messed with an attribute name, and it is doing weird stuff" is also a very valuable, though different, check.

I don't see them as different checks when they warn about the same thing, but I agree they can be separate implementations. I don't have a super strong feeling though because I've not really seen this problem crop up in the wild before except in contrived cases.

https://github.com/llvm/llvm-project/pull/106036