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Diffstat (limited to 'src/test/compile-fail/const-eval-overflow-2.rs')
| -rw-r--r-- | src/test/compile-fail/const-eval-overflow-2.rs | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/test/compile-fail/const-eval-overflow-2.rs b/src/test/compile-fail/const-eval-overflow-2.rs new file mode 100644 index 00000000000..be04bc9bd3b --- /dev/null +++ b/src/test/compile-fail/const-eval-overflow-2.rs @@ -0,0 +1,30 @@ +// Copyright 2015 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +// Evaluation of constants in refutable patterns goes through +// different compiler control-flow paths. + +#![allow(unused_imports)] + +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 evaluation error: attempted to negate with overflow +//~| ERROR attempted to negate with overflow + +fn main() { + match -128i8 { + NEG_NEG_128 => println!("A"), + _ => println!("B"), + } +} |
