Added regression tests.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@190531 91177308-0d34-0410-b5e6-96231b3b80d8
ObjectiveC migrator. methods which look like a getter and
start with "get" are inferreed as a readonly properties.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@190532 91177308-0d34-0410-b5e6-96231b3b80d8
Clarify the status of PowerPC support.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@190533 91177308-0d34-0410-b5e6-96231b3b80d8