1 files changed, 20 insertions, 0 deletions

diff --git a/src/test/ui/issues/issue-8578.rs b/src/test/ui/issues/issue-8578.rs
new file mode 100644
index 000000000..2346ef5a9
--- /dev/null
+++ b/src/test/ui/issues/issue-8578.rs
@@ -0,0 +1,20 @@
+// check-pass
+#![allow(dead_code)]
+#![allow(non_camel_case_types)]
+#![allow(non_upper_case_globals)]
+// pretty-expanded FIXME #23616
+
+pub struct UninterpretedOption_NamePart {
+    name_part: Option<String>,
+}
+
+impl<'a> UninterpretedOption_NamePart {
+    pub fn default_instance() -> &'static UninterpretedOption_NamePart {
+        static instance: UninterpretedOption_NamePart = UninterpretedOption_NamePart {
+            name_part: None,
+        };
+        &instance
+    }
+}
+
+pub fn main() {}