[Driver] Add winsysroot alias to the GNU driver (llvm#95320)

Andarwinux · AlexisPerry · commit 2c37b17e2ac5 · 2024-06-27T14:48:57.000-06:00
fixes llvm#91216
diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td
@@ -8598,6 +8598,8 @@ def : Separate<["-"], "Xmicrosoft-windows-sdk-root">,
     Alias<_SLASH_winsdkdir>;
 def : Separate<["-"], "Xmicrosoft-windows-sdk-version">,
     Alias<_SLASH_winsdkversion>;
+def : Separate<["-"], "Xmicrosoft-windows-sys-root">,
+    Alias<_SLASH_winsysroot>;
 
 // Ignored:
 
