diff --git a/lib/Transforms/Scalar/TailRecursionElimination.cpp b/lib/Transforms/Scalar/TailRecursionElimination.cpp
index 15a86130fd5..2b67b439cb3 100644
--- a/lib/Transforms/Scalar/TailRecursionElimination.cpp
+++ b/lib/Transforms/Scalar/TailRecursionElimination.cpp
@@ -137,7 +137,7 @@ bool TailCallElim::runOnFunction(Function &F) {
     if (FunctionContainsEscapingAllocas && CannotTCETailMarkedCall)
       break;
 
-    FunctionContainsEscapingAllocas =
+    FunctionContainsEscapingAllocas |=
       CheckForEscapingAllocas(BB, CannotTCETailMarkedCall);
   }