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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 `:`
}
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