1 // Copyright 2016 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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9 // except according to those terms.
11 // Test that attempts to construct infinite types via impl trait fail
14 // Regression test for #38064.
16 // error-pattern:overflow evaluating the requirement `impl Quux`
20 fn foo() -> impl Quux {
22 impl<T> Quux for Foo<T> {}
26 fn bar() -> impl Quux {
28 impl<T> Quux for Bar<T> {}
35 // should produce an error about infinite size