Driver/Darwin: Honor -Xarch_FOO when the arch matches either the toolchain or
the architecture being bound.
 - Fixes things like -Xarch_armv7.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133490 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed