Pass -fno-math-builtin from the Clang driver to -cc1 for the l32 arch.


git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@187061 91177308-0d34-0410-b5e6-96231b3b80d8
ObjectiveC migration: Method candidates for 
migrating to instancetype can have implicit 'id'
type too.


git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@187062 91177308-0d34-0410-b5e6-96231b3b80d8
Add not to a command that is expected to fail.

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@187065 91177308-0d34-0410-b5e6-96231b3b80d8