1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/testsuite/rust/compile/issue-3022.rs b/gcc/testsuite/rust/compile/issue-3022.rs
new file mode 100644
index 0000000..b8b8e6f
--- /dev/null
+++ b/gcc/testsuite/rust/compile/issue-3022.rs
@@ -0,0 +1,18 @@
+#[lang = "sized"]
+trait Sized {}
+
+trait Foo<T> {
+    fn foo(self) -> T;
+}
+
+struct Bar<T, U> {
+    // { dg-warning "struct is never constructed" "" { target *-*-* } .-1 }
+    value: U,
+    valte: T,
+}
+
+impl<T: Foo<U>, U> Foo<U> for Bar<T, U> {
+    fn foo(self) -> U {
+        self.value
+    }
+}