ices/99866.rs: fixed with no errors

[github-actions]

Issue: rust-lang/rust#99866

#![crate_type = "lib"]

pub trait Backend {
    type DescriptorSetLayout;
}

pub struct Back;

impl Backend for Back {
    type DescriptorSetLayout = u32;
}

pub struct HalSetLayouts {
    vertex_layout: <Back as Backend>::DescriptorSetLayout,
}

impl HalSetLayouts {
    pub fn iter<DSL>(self) -> DSL
    where
        Back: Backend<DescriptorSetLayout = DSL>,
    {
        self.vertex_layout
    }
}

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=== stderr ===
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