diff --git a/lib/IR/Verifier.cpp b/lib/IR/Verifier.cpp
index f64ebc1a672..f49cca5a3e3 100644
--- a/lib/IR/Verifier.cpp
+++ b/lib/IR/Verifier.cpp
@@ -1974,9 +1974,10 @@ void Verifier::visitInstruction(Instruction &I) {
   Assert1(BB, "Instruction not embedded in basic block!", &I);
 
   if (!isa<PHINode>(I)) {   // Check that non-phi nodes are not self referential
-    for (User *U : I.users())
+    for (User *U : I.users()) {
       Assert1(U != (User*)&I || !DT.isReachableFromEntry(BB),
               "Only PHI nodes may reference their own value!", &I);
+    }
   }
 
   // Check that void typed values don't have names