1 files changed, 16 insertions, 0 deletions

diff --git a/tests/ui/issues/auxiliary/issue-31702-1.rs b/tests/ui/issues/auxiliary/issue-31702-1.rs
new file mode 100644
index 000000000..a48d0dc2c
--- /dev/null
+++ b/tests/ui/issues/auxiliary/issue-31702-1.rs
@@ -0,0 +1,16 @@
+#[derive(Copy)]
+pub struct U256(pub [u64; 4]);
+
+impl Clone for U256 {
+    fn clone(&self) -> U256 {
+        *self
+    }
+}
+
+impl U256 {
+    pub fn new(value: u64) -> U256 {
+        let mut ret = [0; 4];
+        ret[0] = value;
+        U256(ret)
+    }
+}