gcc/testsuite/gdc.test/fail_compilation/fail213.d

/*
TEST_OUTPUT:
---
fail_compilation/fail213.d(18): Error: template instance Foo!int does not match template declaration Foo(T : immutable(T))
fail_compilation/fail213.d(25): Error: template instance Foo!(const(int)) does not match template declaration Foo(T : immutable(T))
---
*/

template Foo(T:immutable(T))
{
    alias T Foo;
}

void main()
{
  {
    int x;
    alias Foo!(typeof(x)) f;
    //printf("%s\n", typeid(f).toString().ptr);
    assert(is(typeof(x) == int));
    assert(is(f == int));
  }
  {
    const int x;
    alias Foo!(typeof(x)) f;
  }
}