[rustc.git] / src / test / ui / consts / const-err.rs

// 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
}
Commit	Line	Data
dfeec247	1	// build-fail
3157f602 XL	2	// compile-flags: -Zforce-overflow-checks=on
3157f602 XL	3
74b04a01	4	#![allow(arithmetic_overflow)]
a1dfa0c6	5	#![warn(const_err)]
b039eaaf SL	6
	7	fn black_box<T>(_: T) {
	8	unimplemented!()
	9	}
	10
a7813a04	11	const FOO: u8 = [5u8][1];
a1dfa0c6	12	//~^ WARN any use of this value will cause an error
5869c6ff	13	//~\| WARN this was previously accepted by the compiler but is being phased out
a7813a04	14
b039eaaf	15	fn main() {
a7813a04	16	black_box((FOO, FOO));
a1dfa0c6	17	//~^ ERROR erroneous constant used
48663c56	18	//~\| ERROR erroneous constant
b039eaaf	19	}