1 files changed, 28 insertions, 0 deletions

diff --git a/tests/ui/issues/issue-47715.rs b/tests/ui/issues/issue-47715.rs
new file mode 100644
index 000000000..b8088c18d
--- /dev/null
+++ b/tests/ui/issues/issue-47715.rs
@@ -0,0 +1,28 @@
+trait Foo {}
+
+trait Bar<T> {}
+
+trait Iterable {
+    type Item;
+}
+
+struct Container<T: Iterable<Item = impl Foo>> {
+    //~^ ERROR `impl Trait` only allowed in function and inherent method return types
+    field: T
+}
+
+enum Enum<T: Iterable<Item = impl Foo>> {
+    //~^ ERROR `impl Trait` only allowed in function and inherent method return types
+    A(T),
+}
+
+union Union<T: Iterable<Item = impl Foo> + Copy> {
+    //~^ ERROR `impl Trait` only allowed in function and inherent method return types
+    x: T,
+}
+
+type Type<T: Iterable<Item = impl Foo>> = T;
+//~^ ERROR `impl Trait` only allowed in function and inherent method return types
+
+fn main() {
+}