objective-c: diagnose protocol inconsistencies in following 
situation. When a class explicitly or implicitly (through inheritance) 
"conformsTo" two protocols which conflict (have methods which conflict).
This is 2nd part of // rdar://6191214.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136927 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed