-Fix mistake in ASTContext::getInnerObjCOwnership noticed by Doug
-Remove unnecessary 'return'.
-Remove unnecessary 'if' check (llvm_unreachable make sure attrStr will be non-null)
-Add a test of transferring ownership to a reference cast type.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134285 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed