15 lines
685 B
Rust
15 lines
685 B
Rust
// This should fail even without validation or Stacked Borrows.
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//@compile-flags: -Zmiri-disable-validation -Zmiri-disable-stacked-borrows
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use std::ptr;
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fn main() {
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// Try many times as this might work by chance.
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for _ in 0..10 {
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let x = [2u16, 3, 4]; // Make it big enough so we don't get an out-of-bounds error.
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let x = &x[0] as *const _ as *const u32;
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// This must fail because alignment is violated: the allocation's base is not sufficiently aligned.
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// The deref is UB even if we just put the result into a raw pointer.
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let _x = unsafe { ptr::addr_of!(*x) }; //~ ERROR: memory with alignment 2, but alignment 4 is required
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}
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}
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