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// edition:2018

// Regression test for #95307.
// The ICE occurred on all the editions, specifying edition:2018 to reduce diagnostics.

pub trait C {
    async fn new() -> [u8; _];
    //~^ ERROR: functions in traits cannot be declared `async`
    //~| ERROR: using `_` for array lengths is unstable
    //~| ERROR: in expressions, `_` can only be used on the left-hand side of an assignment
}

fn main() {}