Driver: Add an explicit argument translation phase to the driver itself. We are going to need this to handle things like -Xassembler, -Xpreprocessor, and -Xlinker which we might have to introspect.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@105842 91177308-0d34-0410-b5e6-96231b3b80d8
9 files changed