File: labeled-no-colon-expr.rs

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rustc 1.70.0%2Bdfsg1-9
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fn main() {
    'l0 while false {} //~ ERROR labeled expression must be followed by `:`
    'l1 for _ in 0..1 {} //~ ERROR labeled expression must be followed by `:`
    'l2 loop {} //~ ERROR labeled expression must be followed by `:`
    'l3 {} //~ ERROR labeled expression must be followed by `:`
    'l4 0; //~ ERROR labeled expression must be followed by `:`
    //~^ ERROR expected `while`, `for`, `loop` or `{`

    macro_rules! m {
        ($b:block) => {
            'l5 $b; //~ ERROR cannot use a `block` macro fragment here
        }
    }
    m!({}); //~ ERROR labeled expression must be followed by `:`
}