Handle [NSAutoreleasePool addObject:] (an alternative way to add objects to the current autorelease pool).

Added initial code for tracking stack of autorelease pools.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57908 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed