1 files changed, 8 insertions, 0 deletions

diff --git a/src/test/ui/issues/issue-52489.rs b/src/test/ui/issues/issue-52489.rs
new file mode 100644
index 000000000..8efe21698
--- /dev/null
+++ b/src/test/ui/issues/issue-52489.rs
@@ -0,0 +1,8 @@
+// edition:2018
+// aux-build:issue-52489.rs
+// compile-flags:--extern issue_52489
+
+use issue_52489;
+//~^ ERROR use of unstable library feature 'issue_52489_unstable'
+
+fn main() {}