3046ac217f
to get the `Sized` error usable, since that hits new users frequently. Further work is needed for the error reporting for non-Sized cycle cases; those currently just fallback to the old path. Also adjust tests.
19 lines
672 B
Rust
19 lines
672 B
Rust
// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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trait Mirror { type It: ?Sized; }
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impl<T: ?Sized> Mirror for T { type It = Self; }
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struct S(Option<<S as Mirror>::It>);
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//~^ ERROR recursive type `S` has infinite size
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fn main() {
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let _s = S(None);
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}
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