ices/91614.rs: fixed with errors

[github-actions]

Issue: rust-lang/rust#91614

#![feature(portable_simd)]
#![feature(generic_arg_infer)]
use std::simd::{Mask};

fn main() {
    let y = Mask::<_, _>::splat(false);
}

=== stdout ===
=== stderr ===
error[E0283]: type annotations needed for `Mask<_, {_: usize}>`
   --> /home/runner/work/glacier/glacier/ices/91614.rs:6:13
    |
6   |     let y = Mask::<_, _>::splat(false);
    |         -   ^^^^^^^^^^^^^^^^^^^ cannot infer type for type parameter `T`
    |         |
    |         consider giving `y` the explicit type `Mask<_, LANES>`, where the type parameter `T` is specified
    |
    = note: cannot satisfy `_: MaskElement`
note: required by a bound in `Mask::<T, LANES>::splat`

error: aborting due to previous error

For more information about this error, try `rustc --explain E0283`.
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