rustc/tests/ui/mir/mir-inlining/ice-issue-45493.rs

//@ run-pass
//@ compile-flags:-Zmir-opt-level=3

trait Array {
    type Item;
}

fn foo<A: Array>() {
    let _: *mut A::Item = std::ptr::null_mut();
}

struct Foo;
impl Array for Foo { type Item = i32; }

fn main() {
    foo::<Foo>();
}