diff --git a/clang/include/clang/Analysis/FlowSensitive/Transfer.h b/clang/include/clang/Analysis/FlowSensitive/Transfer.h
--- a/clang/include/clang/Analysis/FlowSensitive/Transfer.h
+++ b/clang/include/clang/Analysis/FlowSensitive/Transfer.h
@@ -36,6 +36,8 @@
 public:
   virtual ~StmtToEnvMap() = default;
 
+  // hello
+
   /// Returns the environment of the basic block that contains `S` or nullptr if
   /// there isn't one.
   /// FIXME: Ensure that the result can't be null and return a const reference.