[libcxx-commits] [PATCH] D96657: [libcxx] adds common_reference to <type_traits>

[Mark de Wever via Phabricator via libcxx-commits]

Mordante added a comment.

In D96657#2562656 <https://reviews.llvm.org/D96657#2562656>, @cjdb wrote:

> I'm not sure why Mac OS is failing (and I don't have a Mac to test on at home). It looks like C++20 mode isn't being enabled despite `-std=c++2a` being in the build config?

Apple clang doesn't concepts support yet.



================
Comment at: libcxx/test/std/utilities/meta/meta.trans/meta.trans.other/common_reference.compile.pass.cpp:10
+
+// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
+
----------------
Make the test unsupported if concepts support is lacking.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D96657/new/

https://reviews.llvm.org/D96657