| fn a() { | 
 |     if let () = () 'a {} | 
 |     //~^ ERROR labeled expression must be followed by `:` | 
 |     //~| ERROR expected `{`, found `'a` | 
 | } | 
 |  | 
 | fn b() { | 
 |     if true 'a {} | 
 |     //~^ ERROR labeled expression must be followed by `:` | 
 |     //~| ERROR expected `{`, found `'a` | 
 | } | 
 |  | 
 | fn c() { | 
 |     loop 'a {} | 
 |     //~^ ERROR labeled expression must be followed by `:` | 
 |     //~| ERROR expected `{`, found `'a` | 
 | } | 
 |  | 
 | fn d() { | 
 |     while true 'a {} | 
 |     //~^ ERROR labeled expression must be followed by `:` | 
 |     //~| ERROR expected `{`, found `'a` | 
 | } | 
 |  | 
 | fn e() { | 
 |     while let () = () 'a {} | 
 |     //~^ ERROR labeled expression must be followed by `:` | 
 |     //~| ERROR expected `{`, found `'a` | 
 | } | 
 |  | 
 | fn f() { | 
 |     for _ in 0..0 'a {} | 
 |     //~^ ERROR labeled expression must be followed by `:` | 
 |     //~| ERROR expected `{`, found `'a` | 
 | } | 
 |  | 
 | fn g() { | 
 |     unsafe 'a {} | 
 |     //~^ ERROR labeled expression must be followed by `:` | 
 |     //~| ERROR expected `{`, found `'a` | 
 | } | 
 |  | 
 | fn main() {} |