1 files changed, 8 insertions, 0 deletions
diff --git a/tests/ui/resolve/issue-23305.rs b/tests/ui/resolve/issue-23305.rs
new file mode 100644
index 000000000..6d7fe7c50
--- /dev/null
+++ b/tests/ui/resolve/issue-23305.rs
@@ -0,0 +1,8 @@
+pub trait ToNbt<T> {
+    fn new(val: T) -> Self;
+}
+
+impl dyn ToNbt<Self> {}
+//~^ ERROR `Self` is not valid in the self type of an impl block
+
+fn main() {}