{"ast_node_type":"variable","tokens":[{"end":100,"kind":"keyword","start":0,"text":"if"}]}
        if let Rvalue::Aggregate(box AggregateKind::RawPtr(pointee_ty, mutability), fields) = rvalue
    fn simplify_ptr_aggregate(&self, rvalue: &mut Rvalue<'tcx>) {
            && let meta_ty = fields.raw[1].ty(self.local_decls, self.tcx)