vbvictor wrote: I think we should strictly follow "allowed cases" from https://en.cppreference.com/w/cpp/language/extending_std.html, which include some modifications of `ranges` but say nothing about `chrono`.
> It is undefined behavior to add declarations or definitions to namespace std > or to any namespace nested within std, with a few exceptions noted below. I can't imagine why someone would just open std namespace without any declarations in it - this is still worth diagnosing imho. https://github.com/llvm/llvm-project/pull/174170 _______________________________________________ cfe-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
