1 files changed, 10 insertions, 0 deletions
diff --git a/third_party/rust/extend/tests/compile_pass/associated_constants.rs b/third_party/rust/extend/tests/compile_pass/associated_constants.rs
new file mode 100644
index 0000000000..5cb982c6a4
--- /dev/null
+++ b/third_party/rust/extend/tests/compile_pass/associated_constants.rs
@@ -0,0 +1,10 @@
+use extend::ext;
+
+#[ext]
+impl Option<String> {
+    const FOO: usize = 1;
+}
+
+fn main() {
+    assert_eq!(Option::<String>::FOO, 1);
+}