Mark LWG issue 2299 as complete. No code changes; libc++ already implements this.

llvm-svn: 202203
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: 11918cff19ad106e16e851637e3dfef515c4861e
1 file changed