1 files changed, 20 insertions, 0 deletions

diff --git a/tests/ui/impl-trait/issues/issue-79099.stderr b/tests/ui/impl-trait/issues/issue-79099.stderr
new file mode 100644
index 000000000..362c67daf
--- /dev/null
+++ b/tests/ui/impl-trait/issues/issue-79099.stderr
@@ -0,0 +1,20 @@
+error: expected identifier, found `1`
+  --> $DIR/issue-79099.rs:3:65
+   |
+LL |         let f: impl core::future::Future<Output = u8> = async { 1 };
+   |                                                         -----   ^ expected identifier
+   |                                                         |
+   |                                                         `async` blocks are only allowed in Rust 2018 or later
+   |
+   = help: pass `--edition 2021` to `rustc`
+   = note: for more on editions, read https://doc.rust-lang.org/edition-guide
+
+error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in variable binding
+  --> $DIR/issue-79099.rs:3:16
+   |
+LL |         let f: impl core::future::Future<Output = u8> = async { 1 };
+   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0562`.