Add -Wc++98-compat warnings for uses of the new keywords 'alignof', 'char16_t',
'char32_t', 'constexpr', 'decltype', 'noexcept', 'nullptr' and 'static_assert'.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142302 91177308-0d34-0410-b5e6-96231b3b80d8
6 files changed