1 files changed, 37 insertions, 0 deletions
diff --git a/tests/ui/lint/inline-trait-and-foreign-items.rs b/tests/ui/lint/inline-trait-and-foreign-items.rs
new file mode 100644
index 000000000..13dab7ed9
--- /dev/null
+++ b/tests/ui/lint/inline-trait-and-foreign-items.rs
@@ -0,0 +1,37 @@
+#![feature(extern_types)]
+#![feature(type_alias_impl_trait)]
+
+#![warn(unused_attributes)]
+
+trait Trait {
+    #[inline] //~ WARN `#[inline]` is ignored on constants
+    //~^ WARN this was previously accepted
+    const X: u32;
+
+    #[inline] //~ ERROR attribute should be applied to function or closure
+    type T;
+
+    type U;
+}
+
+impl Trait for () {
+    #[inline] //~ WARN `#[inline]` is ignored on constants
+    //~^ WARN this was previously accepted
+    const X: u32 = 0;
+
+    #[inline] //~ ERROR attribute should be applied to function or closure
+    type T = Self;
+
+    #[inline] //~ ERROR attribute should be applied to function or closure
+    type U = impl Trait; //~ ERROR unconstrained opaque type
+}
+
+extern "C" {
+    #[inline] //~ ERROR attribute should be applied to function or closure
+    static X: u32;
+
+    #[inline] //~ ERROR attribute should be applied to function or closure
+    type T;
+}
+
+fn main() {}