Update comment to refer to core issue number.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@186848 91177308-0d34-0410-b5e6-96231b3b80d8
Add testcase for PR16134, which no longer crashes with ToT.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@186849 91177308-0d34-0410-b5e6-96231b3b80d8
[arcmt] Only disable ARC in the second compilation if there were actually ARC errors in the checking phase.

rdar://14490204

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@186850 91177308-0d34-0410-b5e6-96231b3b80d8
Objective-C migration: Use NS_OPTIONS when enumerators
have shift/bitwise operators or are power of 2.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@186856 91177308-0d34-0410-b5e6-96231b3b80d8