diff --git a/gcc/toplev.c b/gcc/toplev.c
index 8c91858b358..d074844e67e 100644
--- a/gcc/toplev.c
+++ b/gcc/toplev.c
@@ -671,6 +671,8 @@ char *lang_options[] =
   "-fno-enum-int-equiv",
   "-fexternal-templates",
   "-fno-external-templates",
+  "-ffor-scope",
+  "-fno-for-scope",
   "-fgc",
   "-fno-gc",
   "-fgnu-keywords",