ICE: broken MIR in DefId (equate_normalized_input_or_output failed with NoSolution)

[tuxmark5]

I tried this code:

#![feature(generic_associated_types)]

use std::marker::PhantomData;

trait Family: Sized {
    type Item<'a>;
    
    fn apply_all<F>(&self, f: F)
    where
        F: FamilyItemFn<Self> { }
}

struct Array<T>(PhantomData<T>);

impl<T: 'static> Family for Array<T> {
    type Item<'a> = &'a T;
}

trait FamilyItemFn<T: Family> {
    fn apply(&self, item: T::Item<'_>);
}

impl<T, F> FamilyItemFn<T> for F
where 
    T: Family,
    for<'a> F: Fn(T::Item<'a>)
{
    fn apply(&self, item: T::Item<'_>) {
        (*self)(item);
    }
}

fn process<T: 'static>(array: Array<T>) {
    // Works
    array.apply_all(|x: &T| { });
    
    // ICE: NoSolution
    array.apply_all(|x: <Array<T> as Family>::Item<'_>| { });
}

This should compile and work, but instead it ICEs.

It doesn't ICE if I remove the generic parameter from Array or use array.apply_all(|x: &T| { });

Meta

rustc --version --verbose:

rustc 1.58.0-nightly (1f12ac872 2021-10-17)
binary: rustc
commit-hash: 1f12ac87296ac61ec002e0243e7ad5a50364da35
commit-date: 2021-10-17
host: x86_64-unknown-linux-gnu
release: 1.58.0-nightly
LLVM version: 13.0.0

Backtrace

error: internal compiler error: broken MIR in DefId(0:30 ~ test[68ae]::process::{closure#1}) (bb0[0]): equate_normalized_input_or_output: `&[closure@test.rs:46:21: 46:60]==&[closure@test.rs:46:21: 46:60]` failed with `NoSolution`
  --> test.rs:46:60
   |
46 |     array.apply_all(|x: <Array<T> as Family>::Item<'_>| { });
   |                                                            ^
   |
   = note: delayed at compiler/rustc_borrowck/src/type_check/mod.rs:330:27

thread 'rustc' panicked at 'no errors encountered even though `delay_span_bug` issued', compiler/rustc_errors/src/lib.rs:1165:13
stack backtrace:
   0: rust_begin_unwind
             at /rustc/1f12ac87296ac61ec002e0243e7ad5a50364da35/library/std/src/panicking.rs:517:5
   1: core::panicking::panic_fmt
             at /rustc/1f12ac87296ac61ec002e0243e7ad5a50364da35/library/core/src/panicking.rs:100:14
   2: core::panicking::panic_display
   3: rustc_errors::HandlerInner::flush_delayed
   4: <rustc_errors::HandlerInner as core::ops::drop::Drop>::drop
   5: core::ptr::drop_in_place<rustc_session::parse::ParseSess>
   6: <alloc::rc::Rc<T> as core::ops::drop::Drop>::drop
   7: core::ptr::drop_in_place<rustc_interface::interface::Compiler>
   8: rustc_span::with_source_map
   9: scoped_tls::ScopedKey<T>::set
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.

error: internal compiler error: unexpected panic

[b-naber]

Seems related to #90638