Fix recently introduced switch case fallthrough bug.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65485 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/CFRefCount.cpp b/lib/Analysis/CFRefCount.cpp
index 70d473b..dbfe418 100644
--- a/lib/Analysis/CFRefCount.cpp
+++ b/lib/Analysis/CFRefCount.cpp
@@ -2077,16 +2077,16 @@
     default:
       assert (false && "Unhandled CFRef transition.");
 
+    case NewAutoreleasePool:
+      assert(!isGCEnabled());
+      return state.add<AutoreleaseStack>(sym);
+      
     case MayEscape:
       if (V.getKind() == RefVal::Owned) {
         V = V ^ RefVal::NotOwned;
         break;
       }
       // Fall-through.
-
-    case NewAutoreleasePool:
-      assert(!isGCEnabled());
-      return state.add<AutoreleaseStack>(sym);
       
     case DoNothingByRef:
     case DoNothing: