| // NOTE: this used to panic in debug builds (by a sanity assertion) | |
| // and not emit any lint on release builds. See https://github.com/rust-lang/rust/issues/142891. | |
| #![inline = ""] | |
| //~^ ERROR: valid forms for the attribute are `#![inline(always)]`, `#![inline(never)]`, and `#![inline]` [ill_formed_attribute_input] | |
| //~| WARN this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! | |
| //~| ERROR attribute cannot be used on | |
| fn main() {} |