ObjectiveC. ObjectiveC's collection selector expression in
the fereach loop must be a non-const lvalue expression as
it will be assigned to at the beginning of the loop.
// rdar://15123684


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@192399 91177308-0d34-0410-b5e6-96231b3b80d8
clang-cl: Expose the -m32 and -m64 command-line options

And add a test to check that they work.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@192402 91177308-0d34-0410-b5e6-96231b3b80d8