A break
statement without a label appeared inside a labeled block.
Example of erroneous code:
# #![feature(label_break_value)] loop { 'a: { break; } }
Make sure to always label the break
:
# #![feature(label_break_value)] 'l: loop { 'a: { break 'l; } }
Or if you want to break
the labeled block:
# #![feature(label_break_value)] loop { 'a: { break 'a; } break; }