mirror of
https://github.com/rust-lang/rust.git
synced 2025-05-02 21:17:39 +00:00

Silence errors that are implied by the errors in the `const` item definition. Add a primary span label.
19 lines
453 B
Rust
19 lines
453 B
Rust
// 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"), // ok, `const` error already emitted
|
|
_ => println!("B"),
|
|
}
|
|
}
|