type params on eii

Author: jdonszelmann

tests/ui/eii/type_checking/type_params_149983.rs

@@ -0,0 +1,7 @@
+//@ check-fail
+// Check that type parameters on EIIs are properly rejected.
+// Specifically a regression test for https://github.com/rust-lang/rust/issues/149983.
+#![feature(extern_item_impls)]
+
+#[eii]
+fn foo<T>() {}