diff --git a/llvm/lib/Analysis/HashRecognize.cpp b/llvm/lib/Analysis/HashRecognize.cpp
index 5d7ee1fe8eb12..4529123508a7c 100644
--- a/llvm/lib/Analysis/HashRecognize.cpp
+++ b/llvm/lib/Analysis/HashRecognize.cpp
@@ -97,7 +97,7 @@ static bool containsUnreachable(const Loop &L,
       }
     }
   }
-  return std::distance(Latch->begin(), Latch->end()) != Visited.size();
+  return Latch->size() != Visited.size();
 }
 
 /// A structure that can hold either a Simple Recurrence or a Conditional