tree d3bfab87541a5bd2e1db8b34e9b6af5e7aacb26f
parent 2b38a698120b59e3bce58f0f3e1338782b49f81a
author Marek Kurdej <marek@quasardb.net> 1606056999 +0100
committer Copybara-Service <copybara-worker@google.com> 1606730298 -0800

[libc++] [libc++abi] Use C++20 standard.

This change is needed to use char8_t when building libc++.
Using the same standard in libc++abi for coherence.

See https://reviews.llvm.org/D91517.

Reviewed By: ldionne, #libc, #libc_abi

Differential Revision: https://reviews.llvm.org/D91691

GitOrigin-RevId: 3b625060fc91598d28196e559196bfc7b9a929f9