Don't call objc_read_weak as part of emitting a block literal.
Nobody ever gave me a clear reason for why we were doing this, and
now it's apparently causing serious problems, so if *not* having this
causes problems, we get to solve them the right way this time.

llvm-svn: 125627
GitOrigin-RevId: bf9a86b50f04943b629650438508b0df1c5109dc
3 files changed