diff --git a/clang/lib/Format/TokenAnnotator.cpp b/clang/lib/Format/TokenAnnotator.cpp
--- a/clang/lib/Format/TokenAnnotator.cpp
+++ b/clang/lib/Format/TokenAnnotator.cpp
@@ -2550,11 +2550,8 @@
 }
 
 void TokenAnnotator::calculateFormattingInformation(AnnotatedLine &Line) {
-  for (SmallVectorImpl<AnnotatedLine *>::iterator I = Line.Children.begin(),
-                                                  E = Line.Children.end();
-       I != E; ++I) {
-    calculateFormattingInformation(**I);
-  }
+  for (AnnotatedLine *ChildLine : Line.Children)
+    calculateFormattingInformation(*ChildLine);
 
   Line.First->TotalLength =
       Line.First->IsMultiline ? Style.ColumnLimit