Merge block/function pointer types with objc's __weak
attribute properly and avoid bogus warning. This is
an objective-c fix only. objective-c++ follows different code
pass and requires separate fix (which will come at a later time).
Fixes radar 7214820.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@95571 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed