[objcmt] When in ARC mode, also convert "[[.. alloc] init]" messages to literals,
since the change from +1 to +0 will be handled fine by ARC.

rdar://11606358

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158114 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed