vendor/clang/clang-release_39-r276489

1 files changed, 1 insertions, 1 deletions

diff --git a/include/clang/Frontend/TextDiagnosticPrinter.h b/include/clang/Frontend/TextDiagnosticPrinter.h
index 04a570559fe06..07cee9f8ad8aa 100644
--- a/include/clang/Frontend/TextDiagnosticPrinter.h
+++ b/include/clang/Frontend/TextDiagnosticPrinter.h
@@ -45,7 +45,7 @@ public:
   /// setPrefix - Set the diagnostic printer prefix string, which will be
   /// printed at the start of any diagnostics. If empty, no prefix string is
   /// used.
-  void setPrefix(std::string Value) { Prefix = Value; }
+  void setPrefix(std::string Value) { Prefix = std::move(Value); }
 
   void BeginSourceFile(const LangOptions &LO, const Preprocessor *PP) override;
   void EndSourceFile() override;