GCC Diagnostic improvements

Just FYI, but it looks like the GCC developers are working on some interesting diagnostics improvements:
https://developers.redhat.com/blog/2019/03/08/usability-improvements-in-gcc-9/

Has anyone considered similar improvements in Clang?

-Chris

I took liberty to add it to the Open Projects page on the website so it does not get lost: https://llvm.org/OpenProjects.html#header-clang-diagnostic

Feel free to improve the description!