[libc++] [libc++abi] Use C++20 standard.
authorMarek Kurdej <marek@quasardb.net>
Sun, 22 Nov 2020 14:56:39 +0000 (15:56 +0100)
committerMarek Kurdej <marek@quasardb.net>
Sun, 22 Nov 2020 14:57:25 +0000 (15:57 +0100)
commit3b625060fc91598d28196e559196bfc7b9a929f9
tree1c4aa0e8e02c910ba134221f1a00a0bcf25a057c
parent29dffb0c8a5dbe8bdcc1abe38aafb3f5ea7d57f4
[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
libcxx/CMakeLists.txt
libcxxabi/src/CMakeLists.txt