Whitespace cleanup.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176896 91177308-0d34-0410-b5e6-96231b3b80d8
[driver] Only enable -fmodules-autolink if we are using the integrated assembler.

Fixes <rdar://problem/13289240>

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176897 91177308-0d34-0410-b5e6-96231b3b80d8
Eliminate backend dependency in CFE testcase.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176901 91177308-0d34-0410-b5e6-96231b3b80d8
Make modules.m test portable, now that autolinking is dependent on whether or not the target uses the integrated assembler.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176902 91177308-0d34-0410-b5e6-96231b3b80d8