1 files changed, 17 insertions, 0 deletions

diff --git a/src/test/ui/const-generics/issues/issue-64519.rs b/src/test/ui/const-generics/issues/issue-64519.rs
new file mode 100644
index 000000000..969289b26
--- /dev/null
+++ b/src/test/ui/const-generics/issues/issue-64519.rs
@@ -0,0 +1,17 @@
+// check-pass
+struct Foo<const D: usize> {
+    state: Option<[u8; D]>,
+}
+
+impl<const D: usize> Iterator for Foo<{D}> {
+    type Item = [u8; D];
+    fn next(&mut self) -> Option<Self::Item> {
+        if true {
+            return Some(self.state.unwrap().clone());
+        } else {
+            return Some(self.state.unwrap().clone());
+        }
+    }
+}
+
+fn main() {}