13 lines
492 B
Rust
13 lines
492 B
Rust
fn main() {
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// miri always gives allocations the worst possible alignment, so a `u8` array is guaranteed
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// to be at the virtual location 1 (so one byte offset from the ultimate alignemnt location 0)
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let mut x = [0u8; 20];
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let x_ptr: *mut u8 = &mut x[0];
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let y_ptr = x_ptr as *mut u64;
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unsafe {
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*y_ptr = 42; //~ ERROR constant evaluation error
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//~^ NOTE tried to access memory with alignment 1, but alignment
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}
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panic!("unreachable in miri");
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}
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