{"ast_node_type":"variable","tokens":[{"end":89,"kind":"keyword","start":0,"text":"if"}]}
                if let Some(def_id) = typeck_results.type_dependent_def_id(expr.hir_id) {
                    .unwrap_or_else(|| span_bug!(self.span, "`hir::Expr` outside of a body"));
                    if self.visit(self.tcx.type_of(def_id).instantiate_identity()).is_break() {