// Just make sure that async closures don't ICE. // // compile-flags: -C debuginfo=2 --edition=2018 // ignore-msvc // CHECK-DAG: [[GEN_FN:!.*]] = !DINamespace(name: "async_closure_test" // CHECK-DAG: [[CLOSURE:!.*]] = !DICompositeType(tag: DW_TAG_structure_type, name: "{closure_env#0}", scope: [[GEN_FN]] // CHECK-DAG: [[UPVAR:!.*]] = !DIDerivedType(tag: DW_TAG_member, name: "upvar", scope: [[CLOSURE]] #![feature(async_closure)] fn async_closure_test(upvar: &str) -> impl async Fn() + '_ { async move || { let hello = String::from("hello"); println!("{hello}, {upvar}"); } } fn main() { let _async_closure = async_closure_test("world"); }