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34 lines
1.0 KiB
Rust
34 lines
1.0 KiB
Rust
// run-pass
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#![allow(overflowing_literals)]
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fn main() {
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#[cfg(target_pointer_width = "32")]
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const I: isize = -2147483648isize;
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#[cfg(target_pointer_width = "64")]
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const I: isize = -9223372036854775808isize;
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assert_eq!(i32::MIN as u64, 0xffffffff80000000);
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assert_eq!(-2147483648isize as u64, 0xffffffff80000000);
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assert_eq!(-2147483648i32 as u64, 0xffffffff80000000);
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assert_eq!(i64::MIN as u64, 0x8000000000000000);
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#[cfg(target_pointer_width = "64")]
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assert_eq!(-9223372036854775808isize as u64, 0x8000000000000000);
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#[cfg(target_pointer_width = "32")]
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assert_eq!(-9223372036854775808isize as u64, 0);
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assert_eq!(-9223372036854775808i32 as u64, 0);
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const J: usize = i32::MAX as usize;
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const K: usize = -1i32 as u32 as usize;
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const L: usize = i32::MIN as usize;
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const M: usize = i64::MIN as usize;
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match 5 {
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J => {},
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K => {},
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L => {},
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M => {},
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_ => {}
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}
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match 5 {
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I => {},
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_ => {}
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}
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}
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