1 files changed, 79 insertions, 0 deletions
diff --git a/src/test/ui/rust-2018/async-ident.rs b/src/test/ui/rust-2018/async-ident.rs
new file mode 100644
index 000000000..2bfbc3871
--- /dev/null
+++ b/src/test/ui/rust-2018/async-ident.rs
@@ -0,0 +1,79 @@
+#![allow(dead_code, unused_variables, unused_macro_rules, bad_style)]
+#![deny(keyword_idents)]
+
+// edition:2015
+// run-rustfix
+
+fn async() {} //~ ERROR async
+//~^ WARN this is accepted in the current edition
+
+macro_rules! foo {
+    ($foo:ident) => {};
+    ($async:expr, async) => {};
+    //~^ ERROR async
+    //~| ERROR async
+    //~| WARN this is accepted in the current edition
+    //~| WARN this is accepted in the current edition
+}
+
+foo!(async);
+    //~^ ERROR async
+    //~| WARN this is accepted in the current edition
+
+mod dont_lint_raw {
+    fn r#async() {}
+}
+
+mod async_trait {
+    trait async {}
+    //~^ ERROR async
+    //~| WARN this is accepted in the current edition
+    struct MyStruct;
+    impl async for MyStruct {}
+    //~^ ERROR async
+    //~| WARN this is accepted in the current edition
+}
+
+mod async_static {
+    static async: u32 = 0;
+    //~^ ERROR async
+    //~| WARN this is accepted in the current edition
+}
+
+mod async_const {
+    const async: u32 = 0;
+    //~^ ERROR async
+    //~| WARN this is accepted in the current edition
+}
+
+struct Foo;
+impl Foo { fn async() {} }
+    //~^ ERROR async
+    //~| WARN this is accepted in the current edition
+
+fn main() {
+    struct async {}
+    //~^ ERROR async
+    //~| WARN this is accepted in the current edition
+    let async: async = async {};
+    //~^ ERROR async
+    //~| WARN this is accepted in the current edition
+    //~| ERROR async
+    //~| WARN this is accepted in the current edition
+    //~| ERROR async
+    //~| WARN this is accepted in the current edition
+}
+
+#[macro_export]
+macro_rules! produces_async {
+    () => (pub fn async() {})
+    //~^ ERROR async
+    //~| WARN this is accepted in the current edition
+}
+
+#[macro_export]
+macro_rules! consumes_async {
+    (async) => (1)
+    //~^ ERROR async
+    //~| WARN this is accepted in the current edition
+}