| fn main() { | |
| let Box(a) = loop { }; | |
| //~^ ERROR expected tuple struct or tuple variant, found struct `Box` | |
| // (The below is a trick to allow compiler to infer a type for | |
| // variable `a` without attempting to ascribe a type to the | |
| // pattern or otherwise attempting to name the Box type, which | |
| // would run afoul of issue #22207) | |
| let _b: *mut i32 = *a; | |
| } |