diff --git a/llvm/include/llvm/Support/CommandLine.h b/llvm/include/llvm/Support/CommandLine.h
index e9c6aaff947d..8fb7d3832cad 100644
--- a/llvm/include/llvm/Support/CommandLine.h
+++ b/llvm/include/llvm/Support/CommandLine.h
@@ -133,7 +133,7 @@ enum MiscFlags {               // Miscellaneous flags to adjust argument
 //
 class alias;
 class Option {
-  friend void cl::ParseCommandLineOptions(int &, char **, const char *);
+  friend void cl::ParseCommandLineOptions(int, char **, const char *);
   friend class alias;
 
   // handleOccurrences - Overriden by subclasses to handle the value passed into