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// Test that a `#[const_continue]` that breaks to a normal labeled block (that
// is not part of a `#[loop_match]`) produces an error.
#![allow(incomplete_features)]
#![feature(loop_match)]
#![crate_type = "lib"]
fn const_continue_to_block() -> u8 {
let state = 0;
#[loop_match]
loop {
state = 'blk: {
match state {
0 => {
#[const_continue]
break 'blk 1;
}
_ => 'b: {
#[const_continue]
break 'b 2;
//~^ ERROR `#[const_continue]` must break to a labeled block that participates in a `#[loop_match]`
}
}
}
}
}
fn const_continue_to_shadowed_block() -> u8 {
let state = 0;
#[loop_match]
loop {
state = 'blk: {
match state {
0 => {
#[const_continue]
break 'blk 1;
}
_ => 'blk: {
//~^ WARN label name `'blk` shadows a label name that is already in scope
#[const_continue]
break 'blk 2;
//~^ ERROR `#[const_continue]` must break to a labeled block that participates in a `#[loop_match]`
}
}
}
}
}
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