[rustc.git] / src / test / ui / consts / const-eval / const-eval-overflow-2.rs

// Evaluation of constants in refutable patterns goes through
// different compiler control-flow paths.

#![allow(unused_imports, warnings)]

use std::fmt;
use std::{i8, i16, i32, i64, isize};
use std::{u8, u16, u32, u64, usize};

const NEG_128: i8 = -128;
const NEG_NEG_128: i8 = -NEG_128; //~ ERROR constant

fn main() {
    match -128i8 {
        NEG_NEG_128 => println!("A"),
        //~^ ERROR could not evaluate constant pattern
        //~| ERROR could not evaluate constant pattern
        _ => println!("B"),
    }
}
Commit	Line	Data
c34b1796 AL	1	// Evaluation of constants in refutable patterns goes through
	2	// different compiler control-flow paths.
	3
2b03887a	4	#![allow(unused_imports, warnings)]
c34b1796 AL	5
	6	use std::fmt;
	7	use std::{i8, i16, i32, i64, isize};
	8	use std::{u8, u16, u32, u64, usize};
	9
	10	const NEG_128: i8 = -128;
2b03887a	11	const NEG_NEG_128: i8 = -NEG_128; //~ ERROR constant
c34b1796 AL	12
	13	fn main() {
	14	match -128i8 {
ff7c6d11	15	NEG_NEG_128 => println!("A"),
94b46f34	16	//~^ ERROR could not evaluate constant pattern
dfeec247	17	//~\| ERROR could not evaluate constant pattern
c34b1796 AL	18	_ => println!("B"),
	19	}
	20	}