Update from https://crrev.com/304121

tools/clang/empty_string/EmptyStringConverter.cpp

Index: tools/clang/empty_string/EmptyStringConverter.cpp
diff --git a/tools/clang/empty_string/EmptyStringConverter.cpp b/tools/clang/empty_string/EmptyStringConverter.cpp
index 28cc602d21c7fe99d02577eb1ac97ddc40ffd49b..d056755acd676dff83a400cb83531a8c6d1bebcd 100644
--- a/tools/clang/empty_string/EmptyStringConverter.cpp
+++ b/tools/clang/empty_string/EmptyStringConverter.cpp
@@ -196,8 +196,8 @@ int main(int argc, const char* argv[]) {
   // tools.
   llvm::outs() << "==== BEGIN EDITS ====\n";
   for (const auto& r : replacements) {
-    llvm::outs() << "r:" << r.getFilePath() << ":" << r.getOffset() << ":"
-                 << r.getLength() << ":" << r.getReplacementText() << "\n";
+    llvm::outs() << "r:::" << r.getFilePath() << ":::" << r.getOffset() << ":::"
+                 << r.getLength() << ":::" << r.getReplacementText() << "\n";
   }
   llvm::outs() << "==== END EDITS ====\n";