#![feature(generic_const_exprs)] #![allow(incomplete_features)] // library portion of regression test for #87674 pub struct Foo([(); N + 1]) where [(); N + 1]: ; // library portion of regression test for #87603 pub struct S where [T; N * 2]: Sized, { pub s: [T; N * 2], } impl S where [T; N * 2]: Sized, { pub fn test() -> Self { S { s: [T::default(); N * 2] } } }