When using -std= flag added check to make sure language and standard are compatable

llvm-svn: 130710
3 files changed
tree: 119984835d728c488eb0a06410f3591b4bb12d7c
  1. clang/
  2. compiler-rt/
  3. debuginfo-tests/
  4. libcxx/
  5. lldb/
  6. llvm/
  7. polly/