22 lines
550 B
Rust
22 lines
550 B
Rust
//! Make sure we error on erroneous consts even if they are unused.
|
|
#![allow(unconditional_panic)]
|
|
|
|
struct PrintName<T>(T);
|
|
impl<T> PrintName<T> {
|
|
const VOID: () = [()][2]; //~ERROR evaluation of `PrintName::<i32>::VOID` failed
|
|
}
|
|
|
|
const fn no_codegen<T>() {
|
|
if false {
|
|
// This bad constant is only used in dead code in a no-codegen function... and yet we still
|
|
// must make sure that the build fails.
|
|
let _ = PrintName::<T>::VOID; //~ constant
|
|
}
|
|
}
|
|
|
|
pub static FOO: () = no_codegen::<i32>();
|
|
|
|
fn main() {
|
|
FOO
|
|
}
|