diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td
--- a/clang/include/clang/Driver/Options.td
+++ b/clang/include/clang/Driver/Options.td
@@ -4114,7 +4114,8 @@
   LangOpts<"OpenMP">,
   DefaultTrue,
   PosFlag<SetTrue, [], "Set rpath on OpenMP executables">,
-  NegFlag<SetFalse>>;
+  NegFlag<SetFalse>,
+  BothFlags<[NoArgumentUnused]>>;
 def r : Flag<["-"], "r">, Flags<[LinkerInput,NoArgumentUnused]>,
         Group<Link_Group>;
 def save_temps_EQ : Joined<["-", "--"], "save-temps=">, Flags<[CC1Option, FlangOption, NoXarchOption]>,