17 lines
406 B
Rust
17 lines
406 B
Rust
// error-pattern: deallocating while item is protected
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use std::marker::PhantomPinned;
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pub struct NotUnpin(i32, PhantomPinned);
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fn inner(x: &mut NotUnpin, f: fn(&mut NotUnpin)) {
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// `f` may mutate, but it may not deallocate!
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f(x)
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}
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fn main() {
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inner(Box::leak(Box::new(NotUnpin(0, PhantomPinned))), |x| {
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let raw = x as *mut _;
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drop(unsafe { Box::from_raw(raw) });
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});
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}
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