19 lines
579 B
Rust
19 lines
579 B
Rust
//@compile-flags: -C overflow-checks=off
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// Check that we correctly implement the intended behavior of these operators
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// when they are not being overflow-checked.
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// FIXME: if we call the functions in `std::ops`, we still get the panics.
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// Miri does not implement the codegen-time hack that backs `#[rustc_inherit_overflow_checks]`.
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// use std::ops::*;
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fn main() {
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assert_eq!(-{ -0x80i8 }, -0x80);
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assert_eq!(0xffu8 + 1, 0_u8);
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assert_eq!(0u8 - 1, 0xff_u8);
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assert_eq!(0xffu8 * 2, 0xfe_u8);
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assert_eq!(1u8 << 9, 2_u8);
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assert_eq!(2u8 >> 9, 1_u8);
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}
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