diff --git a/lib/CodeGen/CodeGenPGO.cpp b/lib/CodeGen/CodeGenPGO.cpp
index d3d89e588a0dfa944ec10fe7e967af3b5a90a9bc..28e9c0b046fe48a53a1534e90f8b2a13085cb9b5 100644
--- a/lib/CodeGen/CodeGenPGO.cpp
+++ b/lib/CodeGen/CodeGenPGO.cpp
@@ -487,7 +487,7 @@ const unsigned PGOHash::TooBig;
     /// The map of statements to count values.
     llvm::DenseMap<const Stmt *, uint64_t> &CountMap;
 
-    /// BreakContinueStack - Keep counts of breaks and continues inside loops. 
+    /// BreakContinueStack - Keep counts of breaks and continues inside loops.
     struct BreakContinue {
       uint64_t BreakCount;
       uint64_t ContinueCount;