mirror of https://github.com/rust-lang/rust
28 lines
529 B
Rust
28 lines
529 B
Rust
// Regression test for #63952, shouldn't hang.
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//@ stderr-per-bitwidth
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#[repr(C)]
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#[derive(Copy, Clone)]
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struct SliceRepr {
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ptr: *const u8,
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len: usize,
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}
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union SliceTransmute {
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repr: SliceRepr,
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slice: &'static [u8],
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}
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// bad slice: length too big to even exist anywhere
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const SLICE_WAY_TOO_LONG: &[u8] = unsafe { //~ ERROR: it is undefined behavior to use this value
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SliceTransmute {
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repr: SliceRepr {
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ptr: &42,
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len: usize::MAX,
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},
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}
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.slice
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};
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fn main() {}
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