1 files changed, 19 insertions, 0 deletions
diff --git a/tests/ui/consts/async-block.rs b/tests/ui/consts/async-block.rs
new file mode 100644
index 000000000..78ec8aea7
--- /dev/null
+++ b/tests/ui/consts/async-block.rs
@@ -0,0 +1,19 @@
+// gate-test-const_async_blocks
+
+// edition:2018
+// revisions: with_feature without_feature
+
+#![feature(rustc_attrs)]
+#![cfg_attr(with_feature, feature(const_async_blocks))]
+
+use std::future::Future;
+
+// From <https://github.com/rust-lang/rust/issues/77361>
+const _: i32 = { core::mem::ManuallyDrop::new(async { 0 }); 4 };
+//[without_feature]~^ `async` block
+
+static _FUT: &(dyn Future<Output = ()> + Sync) = &async {};
+//[without_feature]~^ `async` block
+
+#[rustc_error]
+fn main() {} //[with_feature]~ fatal error triggered by #[rustc_error]