2 #![optimize(speed)] //~ ERROR the `#[optimize]` attribute is an experimental feature
4 #[optimize(size)] //~ ERROR the `#[optimize]` attribute is an experimental feature
7 #[optimize(size)] //~ ERROR the `#[optimize]` attribute is an experimental feature
10 #[optimize(speed)] //~ ERROR the `#[optimize]` attribute is an experimental feature
14 //~^ ERROR the `#[optimize]` attribute is an experimental feature