[PM] Fix a silly bug in my recent update to the CG update logic.

I used the wrong variable to update. This was even covered by a unittest
I wrote, and the comments for the unittest were correct (if confusing)
but the test itself just matched the buggy behavior. =[

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307764 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Analysis/CGSCCPassManager.cpp

@@ -373,7 +373,7 @@ incorporateNewSCCRange(const SCCRangeT &NewSCCRange, LazyCallGraph &G,
 
     // Ensure new SCCs' function analyses are updated.
     if (NeedFAMProxy)
-      updateNewSCCFunctionAnalyses(*C, G, AM);
+      updateNewSCCFunctionAnalyses(NewC, G, AM);
 
     // Also propagate a normal invalidation to the new SCC as only the current
     // will get one from the pass manager infrastructure.