{"ast_node_type":"variable","tokens":[{"end":59,"kind":"keyword","start":0,"text":"if"}]}
        if let Some(const_) = self.try_as_constant(index) {
    fn try_as_operand(&mut self, index: VnIndex, location: Location) -> Option<Operand<'tcx>> {
            Some(Operand::Constant(Box::new(const_)))