[libcxx-commits] [PATCH] D96657: [libcxx] adds common_reference to <type_traits>
Mark de Wever via Phabricator via libcxx-commits
libcxx-commits at lists.llvm.org
Tue Feb 16 09:43:34 PST 2021
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.
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