warning: the feature `const_generics` is incomplete and may not be safe to use and/or cause compiler crashes
  --> $DIR/broken-mir-2.rs:1:12
   |
LL | #![feature(const_generics)]
   |            ^^^^^^^^^^^^^^
   |
   = note: `#[warn(incomplete_features)]` on by default
   = note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information

error[E0277]: arrays only have std trait implementations for lengths 0..=32
  --> $DIR/broken-mir-2.rs:7:36
   |
LL | struct S<T: Debug, const N: usize>([T; N]);
   |                                    ^^^^^^ the trait `std::array::LengthAtMost32` is not implemented for `[T; N]`
   |
   = note: required because of the requirements on the impl of `std::fmt::Debug` for `[T; N]`
   = note: required because of the requirements on the impl of `std::fmt::Debug` for `&[T; N]`
   = note: required for the cast to the object type `dyn std::fmt::Debug`
   = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)

error: aborting due to previous error; 1 warning emitted

For more information about this error, try `rustc --explain E0277`.