{"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"///"}]}
    /// but is UB unless the *sign*-extending the result can reproduce `val`.
    /// Produces the same value as [`Self::trunc`] (and defaults to that),
    fn unchecked_strunc(&mut self, val: Self::Value, dest_ty: Self::Type) -> Self::Value {