[libcxx-commits] [libcxx] [libc++] Annotate generic_category/system_category as const (PR #78052)

[Benjamin Kramer via libcxx-commits]

d0k wrote:

> CI doesn't seem happy: https://buildkite.com/llvm-project/libcxx-ci/builds/32831#018d03dd-6965-4ebd-a7b6-7d6b9ec5d619
> 
> I wonder if this is just the AppleClang bots using a slightly older compiler?

Looks like it's compiling with `-std=c++03` and doesn't like `[[attribute]]` syntax. Should it be compiling system_error.h in C++03 mode? Seens to be coming from `<ios>`.

https://github.com/llvm/llvm-project/pull/78052