2020-06-20 07:34:57 -05:00
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// 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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#![feature(raw_ref_macros)]
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use std::ptr;
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fn main() {
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2020-08-17 10:09:09 -05:00
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for _ in 0..10 { // Try many times as this might work by chance.
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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::raw_const!(*x) }; //~ ERROR memory with alignment 2, but alignment 4 is required
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}
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2020-06-20 07:34:57 -05:00
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}
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