Extended support for native Windows C++ EH outlining

Differential Review: http://reviews.llvm.org/D7886



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231981 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Transforms/Utils/Cloning.h

@@ -144,7 +144,9 @@ public:
     ///< Skip this instruction but continue cloning the current basic block.
     SkipInstruction,
     ///< Skip this instruction and stop cloning the current basic block.
-    StopCloningBB
+    StopCloningBB,
+    ///< Don't clone the terminator but clone the current block's successors.
+    CloneSuccessors
   };
 
   virtual ~CloningDirector() {}