retain checker: RetainSummaryManager now has a 'DefaultSummary' object
which is returned instead of a null pointer.  This helps centralize
the logic concerning "default effects".


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70826 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed