[driver] Implement in a more table-like manner and add many more warning options
that aren't handled by llvm-gcc on fallback.
Enhancement to rdar://9964354



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137912 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed