{"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"//"}]}
        // Never call the const constructor of `fmt::Arguments` if the
    pub(crate) fn lower_format_args(&mut self, sp: Span, fmt: &FormatArgs) -> hir::ExprKind<'hir> {
        // format_args!() had any arguments _before_ flattening/inlining.