37 lines
1.1 KiB
Rust
37 lines
1.1 KiB
Rust
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// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#[allow(exceeding_bitshifts)]
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#[deny(const_err)]
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fn black_box<T>(_: T) {
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unimplemented!()
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}
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const BLA: u8 = 200u8 + 200u8;
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//~^ ERROR attempted to add with overflow
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fn main() {
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let a = -std::i8::MIN;
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//~^ WARN attempted to negate with overflow
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let b = 200u8 + 200u8 + 200u8;
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//~^ WARN attempted to add with overflow
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//~^^ WARN attempted to add with overflow
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let c = 200u8 * 4;
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//~^ WARN attempted to mul with overflow
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let d = 42u8 - (42u8 + 1);
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//~^ WARN attempted to sub with overflow
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let _e = BLA;
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black_box(a);
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black_box(b);
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black_box(c);
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black_box(d);
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}
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