[clang] [Clang] Add predefined macros for integer constants to implement section 7.18.4 of ISO/IEC 9899:1999 in `<stdint.h>` in a safe way (PR #123514)

[Manuel Sainz de Baranda y Goñi via cfe-commits]

redcode wrote:

> This seems related to #85995. Do you plan to fix that issue together?

I wasn't planning on fixing Clang's `<stdint.h>`, I thought it would be better handled by the maintainers of the standard library, but I can do it if you want.

Do you want me to do it?

https://github.com/llvm/llvm-project/pull/123514