1 files changed, 34 insertions, 0 deletions
diff --git a/tests/ui/unstable-features/trivial_bounds.rs b/tests/ui/unstable-features/trivial_bounds.rs
new file mode 100644
index 0000000..680effe
--- /dev/null
+++ b/tests/ui/unstable-features/trivial_bounds.rs
@@ -0,0 +1,34 @@
+// NB: If you change this test, change 'trivial_bounds-feature-gate.rs' at the same time.
+
+// trivial_bounds
+// Tracking issue: https://github.com/rust-lang/rust/issues/48214
+#![feature(trivial_bounds)]
+#![deny(trivial_bounds)]
+
+use std::marker::{PhantomData, PhantomPinned};
+
+fn inner() {
+    struct Inner(PhantomPinned);
+
+    struct A(Inner);
+
+    impl Unpin for A where Inner: Unpin {} //~ ERROR std::marker::Unpin does not depend on any type or lifetime parameters
+
+    struct Wrapper<T>(T);
+
+    impl<T> Unpin for Wrapper<T> where T: Unpin {}
+
+    struct B(Inner);
+
+    impl Unpin for B where Wrapper<Inner>: Unpin {} //~ ERROR std::marker::Unpin does not depend on any type or lifetime parameters
+
+    struct WrapperWithLifetime<'a, T>(PhantomData<&'a ()>, T);
+
+    impl<T> Unpin for WrapperWithLifetime<'_, T> where T: Unpin {}
+
+    struct C(Inner);
+
+    impl<'a> Unpin for C where WrapperWithLifetime<'a, Inner>: Unpin {} // Ok
+}
+
+fn main() {}