Block ivar layout must assume that the 'isa'
field of the block descriptor is GC'able (scanned)
as this what the runtime expects (one can send it 
messages). Radar 8394947.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113454 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed