ba35e80534
Removes extra global bounds at the winnowing stage rather than when normalizing the param_env. This avoids breaking inference when there is a global bound.
43 lines
1012 B
Rust
43 lines
1012 B
Rust
// Copyright 2018 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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// Check that false bounds don't leak
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#![feature(trivial_bounds)]
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pub trait Foo {
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fn test(&self);
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}
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fn return_str() -> str where str: Sized {
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*"Sized".to_string().into_boxed_str()
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}
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fn cant_return_str() -> str { //~ ERROR
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*"Sized".to_string().into_boxed_str()
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}
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fn my_function() where i32: Foo
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{
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3i32.test();
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Foo::test(&4i32);
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generic_function(5i32);
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}
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fn foo() {
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3i32.test(); //~ ERROR
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Foo::test(&4i32); //~ ERROR
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generic_function(5i32); //~ ERROR
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}
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fn generic_function<T: Foo>(t: T) {}
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fn main() {}
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