objective-C: don't warn about class extension property's 
missing 'assign' attribute as it is determined by its
overridden property in primary class. // rdar://12214070 


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164080 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed