28 lines
617 B
Rust
28 lines
617 B
Rust
//@ run-pass
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// Check tautalogically false `Sized` bounds
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#![feature(trivial_bounds)]
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#![allow(unused)]
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trait A {}
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impl A for i32 {}
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struct T<X: ?Sized> {
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x: X,
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}
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struct S(str, str) where str: Sized;
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//~^ WARNING Sized does not depend on any type or lifetime
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fn unsized_local() where for<'a> T<dyn A + 'a>: Sized {
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//~^ WARNING Sized does not depend on any type or lifetime
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let x: T<dyn A> = *(Box::new(T { x: 1 }) as Box<T<dyn A>>);
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}
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fn return_str() -> str where str: Sized {
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//~^ WARNING Sized does not depend on any type or lifetime
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*"Sized".to_string().into_boxed_str()
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}
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fn main() {}
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