[MS] Update _MSVC_LANG values for C++17 and C++2a
authorReid Kleckner <rnk@google.com>
Mon, 23 Jul 2018 17:44:00 +0000 (17:44 +0000)
committerReid Kleckner <rnk@google.com>
Mon, 23 Jul 2018 17:44:00 +0000 (17:44 +0000)
commitdbc390d0c52cc6d62f3eb3b60407e6b5588d525b
treef92e17b7db6392c61126186a5ed7286b33561eed
parent58407ca04570bb02e9869c0f368f9cdd664e22dd
[MS] Update _MSVC_LANG values for C++17 and C++2a

Fixes PR38262

llvm-svn: 337715
clang/lib/Basic/Targets/OSTargets.h
clang/test/Preprocessor/predefined-macros.c
clang/test/Preprocessor/predefined-win-macros.c [new file with mode: 0644]