Index: MinGW/Options.td
===================================================================
--- MinGW/Options.td
+++ MinGW/Options.td
@@ -41,6 +41,7 @@
 def full_shutdown: Flag<["--"], "full-shutdown">;
 def major_image_version: S<"major-image-version">;
 def minor_image_version: S<"minor-image-version">;
+def s: Flag<["-"], "s">;
 def sysroot: J<"sysroot">, HelpText<"Sysroot">;
 def v: Flag<["-"], "v">, HelpText<"Display the version number">;
 def version: F<"version">, HelpText<"Display the version number and exit">;