diff --git a/clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp b/clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp
index 7a9826b..ca92ffe 100644
--- a/clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp
+++ b/clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp
@@ -778,8 +778,9 @@
        << ", ('arrow','true'), ('oriented', 'true'))\n";
 }
 
-UbigraphViz::UbigraphViz(std::unique_ptr<raw_ostream> Out, StringRef Filename)
-    : Out(std::move(Out)), Filename(Filename), Cntr(0) {
+UbigraphViz::UbigraphViz(std::unique_ptr<raw_ostream> OutStream,
+                         StringRef Filename)
+    : Out(std::move(OutStream)), Filename(Filename), Cntr(0) {
 
   *Out << "('vertex_style_attribute', 0, ('shape', 'icosahedron'))\n";
   *Out << "('vertex_style', 1, 0, ('shape', 'sphere'), ('color', '#ffcc66'),"