31 lines
950 B
Rust
31 lines
950 B
Rust
// Copyright 2016 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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// Regression test for #33344, initial version. This example allowed
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// arbitrary trait bounds to be synthesized.
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trait Tweedledum: IntoIterator {}
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trait Tweedledee: IntoIterator {}
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impl<T: Tweedledum> Tweedledee for T {}
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impl<T: Tweedledee> Tweedledum for T {}
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trait Combo: IntoIterator {}
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impl<T: Tweedledee + Tweedledum> Combo for T {}
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fn is_ee<T: Combo>(t: T) {
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t.into_iter();
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}
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fn main() {
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is_ee(4);
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//~^ ERROR overflow evaluating the requirement `_: Tweedle
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}
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