14 lines
405 B
Rust
14 lines
405 B
Rust
fn inner(x: *mut i32, _y: &i32) {
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// If `x` and `y` alias, retagging is fine with this... but we really
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// shouldn't be allowed to write to `x` at all because `y` was assumed to be
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// immutable for the duration of this call.
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unsafe { *x = 0 }; //~ ERROR: protect
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}
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fn main() {
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let mut x = 0;
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let xraw = &mut x as *mut _;
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let xref = unsafe { &*xraw };
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inner(xraw, xref);
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}
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