{"ast_node_type":"variable","tokens":[{"end":92,"kind":"keyword","start":0,"text":"if"}]}
        if let Some(sp) = self.tcx.sess.psess.ambiguous_block_expr_parse.borrow().get(&sp) {
        let sp = self.tcx.sess.source_map().start_point(expr.span).with_parent(None);
            // `{ 42 } &&x` (#61475) or `{ 42 } && if x { 1 } else { 0 }`