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//! Make sure we error on erroneous consts even if they are unused.
#![warn(const_err, unconditional_panic)]
struct PrintName<T>(T);
impl<T> PrintName<T> {
const VOID: () = [()][2]; //~WARN any use of this value will cause an error
//~^ WARN this operation will panic at runtime
//~| WARN this was previously accepted by the compiler but is being phased out
}
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; //~ERROR could not evaluate static initializer
}
}
pub static FOO: () = no_codegen::<i32>();
fn main() {
FOO
}
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