ices/107228.sh: fixed with no errors

[github-actions]

Issue: rust-lang/rust#107228

#!/bin/bash

rustc -Zvalidate-mir --crate-type=lib - <<'EOF'

#![feature(specialization)]

pub(crate) trait SpecTrait {
    type Assoc;
}

impl<C> SpecTrait for C {
    default type Assoc = Vec<Self>;
}

pub(crate) struct AssocWrap<C: SpecTrait> {
    _assoc: C::Assoc,
}

fn instantiate<C: SpecTrait>() -> AssocWrap<C> {
    loop {}
}

pub fn trigger() {
    instantiate::<()>();
}
EOF

=== stdout ===
=== stderr ===
warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
 --> <anon>:2:12
  |
2 | #![feature(specialization)]
  |            ^^^^^^^^^^^^^^
  |
  = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
  = help: consider using `min_specialization` instead, which is more stable and complete
  = note: `#[warn(incomplete_features)]` on by default

warning: 1 warning emitted

==============