diff --git a/clang/lib/Format/UnwrappedLineFormatter.cpp b/clang/lib/Format/UnwrappedLineFormatter.cpp
--- a/clang/lib/Format/UnwrappedLineFormatter.cpp
+++ b/clang/lib/Format/UnwrappedLineFormatter.cpp
@@ -1064,9 +1064,9 @@
 
       FormatDecision LastFormat = Node->State.NextToken->getDecision();
       if (LastFormat == FD_Unformatted || LastFormat == FD_Continue)
-        addNextStateToQueue(Penalty, Node, /*NewLine=*/false, Count, Queue);
+        addNextStateToQueue(Penalty, Node, /*NewLine=*/false, &Count, &Queue);
       if (LastFormat == FD_Unformatted || LastFormat == FD_Break)
-        addNextStateToQueue(Penalty, Node, /*NewLine=*/true, Count, Queue);
+        addNextStateToQueue(Penalty, Node, /*NewLine=*/true, &Count, &Queue);
     }
 
     if (Queue.empty()) {
@@ -1092,7 +1092,7 @@
   /// Assume the current state is \p PreviousNode and has been reached with a
   /// penalty of \p Penalty. Insert a line break if \p NewLine is \c true.
   void addNextStateToQueue(unsigned Penalty, StateNode *PreviousNode,
-                           bool NewLine, unsigned &Count, QueueType &Queue) {
+                           bool NewLine, unsigned *Count, QueueType *Queue) {
     if (NewLine && !Indenter->canBreak(PreviousNode->State))
       return;
     if (!NewLine && Indenter->mustBreak(PreviousNode->State))
@@ -1105,8 +1105,8 @@
 
     Penalty += Indenter->addTokenToState(Node->State, NewLine, true);
 
-    Queue.push(QueueItem(OrderedPenalty(Penalty, Count), Node));
-    ++Count;
+    Queue->push(QueueItem(OrderedPenalty(Penalty, *Count), Node));
+    ++(*Count);
   }
 
   /// Applies the best formatting by reconstructing the path in the