ccc: Use toolChain arch name instead of looking for arch command line
argument; the toolchain should always know the arch.
 - Fixes: <rdar://problem/6582911> -ccc-clang-archs doesn't work for excluding ppc


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65104 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed