Mark issues 2147, 2149, 2163, 2172, 2098 and 2177 as complete. No code changes to libc++


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@189586 91177308-0d34-0410-b5e6-96231b3b80d8
Mark LWG issues 2109, 222, 2058, 2091 and 2092 as complete. No changes to libc++ code.


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@189601 91177308-0d34-0410-b5e6-96231b3b80d8