issue-72819-generic-in-const-eval.rs

// Regression test for #72819: ICE due to failure in resolving the const generic in `Arr`'s type
// bounds.
//@ revisions: full min
#![cfg_attr(full, feature(generic_const_exprs))]
#![cfg_attr(full, allow(incomplete_features))]

struct Arr<const N: usize>
where Assert::<{N < usize::MAX / 2}>: IsTrue,
//[min]~^ ERROR generic parameters may not be used in const operations
{
}

enum Assert<const CHECK: bool> {}

trait IsTrue {}

impl IsTrue for Assert<true> {}

fn main() {
    let x: Arr<{usize::MAX}> = Arr {};
    //[full]~^ ERROR mismatched types
    //[full]~| ERROR mismatched types
}