library test;
import self as self;
import "dart:core" as core;

static method main() → void {
  {
    function f<T extends core::Object>(invalid-type x) → invalid-type
      return null;
    dynamic v1 = f;
    v1 = <S extends core::Object>(dynamic x) → dynamic => x;
  }
  {
    function f<T extends core::Object>(invalid-type x) → core::List<invalid-type>
      return null;
    dynamic v2 = f;
    v2 = <S extends core::Object>(dynamic x) → dynamic => <dynamic>[x];
    core::Iterable<core::int> r = v2.call(42);
    core::Iterable<core::String> s = v2.call("hello");
    core::Iterable<core::List<core::int>> t = v2.call(<core::int>[]);
    core::Iterable<core::num> u = v2.call(42);
    core::Iterable<core::num> v = v2.call<core::num>(42);
  }
}