79     let mut root = linker.root();  in smoke_func_wrap()  localVariable
80     root.func_wrap_async("i", |_: StoreContextMut<()>, _: ()| {  in smoke_func_wrap()
147         .root()  in resume_separate_thread()
289         .root()  in drop_resource_async()
809         .root()  in run_wasm_in_call_async()
851     let mut root = linker.root();  in require_concurrency_support()  localVariable
854         root.func_wrap_concurrent::<(), (), _>("f1", |_, _| { todo!() })  in require_concurrency_support()
858         root.func_new_concurrent("f2", |_, _, _, _| { todo!() })  in require_concurrency_support()
862         root.resource_concurrent("f3", ResourceType::host::<u32>(), |_, _| { todo!() })  in require_concurrency_support()
935     linker.root().func_wrap_concurrent("f", |_, ()| {  in cancel_host_task_does_not_leak()
1004         .root()  in sync_lower_async_host_does_not_leak()
1250         .root()  in concurrent_sync_calls_to_async_host()