src/test/ui/consts/issue-39974.rs


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const LENGTH: f64 = 2;

struct Thing {
    f: [[f64; 2]; LENGTH],
    //~^ ERROR mismatched types
    //~| expected `usize`, found `f64`
}

fn main() {
    let _t = Thing { f: [[0.0, 0.0], [0.0, 0.0], [0.0, 0.0], [0.0, 0.0]] };
}