1 files changed, 12 insertions, 0 deletions
diff --git a/tests/ui/parser/extern-crate-async.rs b/tests/ui/parser/extern-crate-async.rs
new file mode 100644
index 000000000..6a54ac7f4
--- /dev/null
+++ b/tests/ui/parser/extern-crate-async.rs
@@ -0,0 +1,12 @@
+// Make sure that we don't parse `extern crate async`
+// the front matter of a function leading us astray.
+
+// check-pass
+
+fn main() {}
+
+#[cfg(FALSE)]
+extern crate async;
+
+#[cfg(FALSE)]
+extern crate async as something_else;