File: never-pattern-is-a-read.rs

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rustc 1.87.0%2Bdfsg1-1
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// Make sure we consider `!` to be a union read.

#![feature(never_type, never_patterns)]
//~^ WARN the feature `never_patterns` is incomplete

union U {
    a: !,
    b: usize,
}

fn foo<T>(u: U) -> ! {
    let U { a: ! } = u;
    //~^ ERROR access to union field is unsafe
}

fn main() {}