Add c_alignas and cxx_alignas features

llvm-svn: 142020
5 files changed
tree: 2b2da028484278dd18e7363877523a98511c263d
  1. clang/
  2. compiler-rt/
  3. debuginfo-tests/
  4. libcxx/
  5. libcxxabi/
  6. lldb/
  7. llvm/
  8. polly/