rust/tests/ui/const-generics/inhabited-assoc-ty-ice-2.rs

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// run-pass
#![feature(generic_const_exprs)]
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#![allow(incomplete_features)]
// This tests that the inhabited check doesn't cause
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// ICEs by trying to evaluate `T::ASSOC` with an incorrect `ParamEnv`.
trait Foo {
const ASSOC: usize = 1;
}
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#[allow(unused_tuple_struct_fields)]
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struct Iced<T: Foo>(T, [(); T::ASSOC])
where
[(); T::ASSOC]: ;
impl Foo for u32 {}
fn main() {
let _iced: Iced<u32> = return;
}