1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/testsuite/rust/compile/bug-with-default-generic.rs b/gcc/testsuite/rust/compile/bug-with-default-generic.rs
new file mode 100644
index 0000000..25f46a0
--- /dev/null
+++ b/gcc/testsuite/rust/compile/bug-with-default-generic.rs
@@ -0,0 +1,15 @@
+#[lang = "sized"]
+pub trait Sized {}
+
+pub trait MyBinaryTrait<Rhs = Self> {
+    fn do_something(&self, rhs: &Rhs);
+}
+
+struct Foo<T> {
+    // { dg-warning "struct is never constructed" "" { target *-*-* } .-1 }
+    value: T,
+}
+
+impl<T> MyBinaryTrait for Foo<T> {
+    fn do_something(&self, _rhs: &Self) {}
+}