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// build-fail
// compile-flags: -Zforce-overflow-checks=on
#![allow(arithmetic_overflow)]
#![warn(const_err)]
fn black_box<T>(_: T) {
unimplemented!()
}
const FOO: u8 = [5u8][1];
//~^ WARN any use of this value will cause an error
//~| WARN this was previously accepted by the compiler but is being phased out
fn main() {
black_box((FOO, FOO));
//~^ ERROR erroneous constant used
//~| ERROR erroneous constant
}
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