tests/ui/associated-consts/issue-93775.rs

//@ ignore-rustc-debug-assertions
// Similar to stress testing, the test case requires a larger call stack,
// so we ignore rustc's debug assertions.

// Regression for #93775, needs build-pass to test it.

//@ build-pass
//@ revisions: current next
//@ ignore-compare-mode-next-solver (explicit revisions)
//@[next] compile-flags: -Znext-solver

#![recursion_limit = "1001"]

use std::marker::PhantomData;

struct Z;
struct S<T>(PhantomData<T>);

type Nested = S<S<S<S<S<S<S<S<S<S<S<S<S<S<S<S<S<S<S<S
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>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>;

trait AsNum {
    const NUM: u32;
}

impl AsNum for Z {
    const NUM: u32 = 0;
}

impl<T: AsNum> AsNum for S<T> {
    const NUM: u32 = T::NUM + 1;
}

fn main() {
    let _ = Nested::NUM;
}