[Clang][NFC] Make unused flag `-fopenmp-new-driver` help hidden

Summary:
This flag was deprecated awhile back but still shows up when using
`clang --help`. This patch just gets rid of it but keeps its interface
for backward compatibility.

diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td
index d32e149..cfdee32 100644 (file)
--- a/clang/include/clang/Driver/Options.td
+++ b/clang/include/clang/Driver/Options.td
@@ -2636,10 +2636,10 @@ def cuda_host_only : Flag<["--"], "cuda-host-only">, Alias<offload_host_only>,
 def cuda_compile_host_device : Flag<["--"], "cuda-compile-host-device">, Alias<offload_host_device>,
   HelpText<"Compile CUDA code for both host and device (default). Has no "
            "effect on non-CUDA compilations.">;
-def fopenmp_new_driver : Flag<["-"], "fopenmp-new-driver">, Flags<[CC1Option]>, Group<f_Group>,
+def fopenmp_new_driver : Flag<["-"], "fopenmp-new-driver">, Flags<[HelpHidden]>,
   HelpText<"Use the new driver for OpenMP offloading.">;
-def fno_openmp_new_driver : Flag<["-"], "fno-openmp-new-driver">, Flags<[CC1Option]>, Group<Action_Group>,
-  Alias<no_offload_new_driver>, HelpText<"Don't use the new driver for OpenMP offloading.">;
+def fno_openmp_new_driver : Flag<["-"], "fno-openmp-new-driver">, Flags<[HelpHidden]>,
+  HelpText<"Don't use the new driver for OpenMP offloading.">;
 def fno_optimize_sibling_calls : Flag<["-"], "fno-optimize-sibling-calls">, Group<f_Group>, Flags<[CC1Option]>,
   HelpText<"Disable tail call optimization, keeping the call stack accurate">,
   MarshallingInfoFlag<CodeGenOpts<"DisableTailCalls">>;