|  | // 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]] | 
|  |  | 
|  | fn async_closure_test(upvar: &str) -> impl AsyncFn() + '_ { | 
|  | async move || { | 
|  | let hello = String::from("hello"); | 
|  | println!("{hello}, {upvar}"); | 
|  | } | 
|  | } | 
|  |  | 
|  | fn main() { | 
|  | let _async_closure = async_closure_test("world"); | 
|  | } |