Add a warning flag for ext_embedded_directive. gcc considers this undefined
behaviour to be an error, so it's useful to be able to make it an error in clang
too.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146755 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed