[libcxx-dev] Stabilizing libc++'s ABI v2

Tue Mar 19 14:33:27 PDT 2019

> On 2019 Mar  19, at 13:10, Louis Dionne via libcxx-dev <libcxx-dev at lists.llvm.org> wrote:
> 
> I'd like to know whether folks currently have breaking changes planned for the version 2 ABI of libc++. Are we aware of improvements that would require breaking the ABI and that we have not implemented yet?

The one I'm aware of is a compressed mangling for versioning namespaces:
  https://github.com/itanium-cxx-abi/cxx-abi/pull/69