11 lines
300 B
Rust
11 lines
300 B
Rust
// Make sure that we cannot pass by argument a `&mut` that got already invalidated.
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fn foo(_: &mut i32) {}
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fn main() {
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let x = &mut 42;
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let xraw = x as *mut _;
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let xref = unsafe { &mut *xraw };
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let _val = unsafe { *xraw }; // invalidate xref
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foo(xref); //~ ERROR: borrow stack
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}
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