{"ast_node_type":"other","tokens":[{"end":61,"kind":"keyword","start":0,"text":"hir::OpaqueTyOrigin::AsyncFn"}]}
                hir::OpaqueTyOrigin::AsyncFn { .. } => false,
                hir::OpaqueTyOrigin::FnReturn { parent, .. } => self.is_conditionally_const(parent),
                // FIXME(const_trait_impl): ATPITs could be conditionally const?