13 lines
747 B
Rust
13 lines
747 B
Rust
// Strip out raw byte dumps to make comparison platform-independent:
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// normalize-stderr-test "(the raw bytes of the constant) \(size: [0-9]*, align: [0-9]*\)" -> "$1 (size: $$SIZE, align: $$ALIGN)"
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// normalize-stderr-test "([0-9a-f][0-9a-f] |╾─*ALLOC[0-9]+(\+[a-z0-9]+)?(<imm>)?─*╼ )+ *│.*" -> "HEX_DUMP"
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#![feature(never_type)]
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const _: &[!; 1] = unsafe { &*(1_usize as *const [!; 1]) }; //~ ERROR undefined behavior
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const _: &[!; 0] = unsafe { &*(1_usize as *const [!; 0]) }; // ok
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const _: &[!] = unsafe { &*(1_usize as *const [!; 0]) }; // ok
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const _: &[!] = unsafe { &*(1_usize as *const [!; 1]) }; //~ ERROR undefined behavior
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const _: &[!] = unsafe { &*(1_usize as *const [!; 42]) }; //~ ERROR undefined behavior
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fn main() {}
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