casting macros question

[Aleksandr Koltsoff <czr770 iohazard tts fi>]

This might sound like a stupid question to some one, but a simple yes/no 
answer will do :-)

Should the following code be caught at compile-time (rather than run-time):

gtk_layout_set_adjustment(layout, GTK_ADJUSTMENT(widget));

layout is GtkLayout and widget is GtkWidget.

ak.