+@item -gnatw.r
+@emph{Activate warnings for object renaming function.}
+@cindex @option{-gnatw.r} (@command{gcc})
+This switch activates warnings for an object renaming that renames a
+function call, which is equivalent to a constant declaration (as
+opposed to renaming the function itself). The default is that these
+warnings are given. This warning can also be turned on using
+@option{-gnatwa}.
+
+@item -gnatw.R
+@emph{Suppress warnings for object renaming function.}
+@cindex @option{-gnatwT} (@command{gcc})
+This switch suppresses warnings for object renaming function.
+