Index: llvm/lib/Analysis/LoopInfo.cpp
===================================================================
--- llvm/lib/Analysis/LoopInfo.cpp
+++ llvm/lib/Analysis/LoopInfo.cpp
@@ -367,6 +367,10 @@
          "Expecting a loop with valid preheader and latch");
   assert(isLoopExiting(Latch) && "Only valid for rotated loop");
 
+  BasicBlock *Exiting = getExitingBlock();
+  if (!Exiting)
+    return nullptr;
+
   Instruction *LatchTI = Latch->getTerminator();
   if (!LatchTI || LatchTI->getNumSuccessors() != 2)
     return nullptr;