Set the correct visibility on g-dwarf-N.

Author: abidh

clang/include/clang/Driver/Options.td

@@ -4674,12 +4674,13 @@ def ggdb3 : Flag<["-"], "ggdb3">, Group<ggdbN_Group>;
 def glldb : Flag<["-"], "glldb">, Group<gTune_Group>;
 def gsce : Flag<["-"], "gsce">, Group<gTune_Group>;
 def gdbx : Flag<["-"], "gdbx">, Group<gTune_Group>;
-
-let Visibility = [ClangOption, CLOption, DXCOption, FlangOption] in {
 // Equivalent to our default dwarf version. Forces usual dwarf emission when
 // CodeView is enabled.
 def gdwarf : Flag<["-"], "gdwarf">, Group<g_Group>,
+  Visibility<[ClangOption, CLOption, DXCOption, FlangOption]>,
   HelpText<"Generate source-level debug information with the default dwarf version">;
+
+let Visibility = [ClangOption, FlangOption] in {
 def gdwarf_2 : Flag<["-"], "gdwarf-2">, Group<g_Group>,
   HelpText<"Generate source-level debug information with dwarf version 2">;
 def gdwarf_3 : Flag<["-"], "gdwarf-3">, Group<g_Group>,