rust/tests/fail/stacked_borrows/aliasing_mut1.rs

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use std::mem;
pub fn safe(_x: &mut i32, _y: &mut i32) {} //~ ERROR protect
fn main() {
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let mut x = 0;
let xraw: *mut i32 = unsafe { mem::transmute(&mut x) };
// We need to apply some tricky to be able to call `safe` with two mutable references
// with the same tag: We transmute both the fn ptr (to take raw ptrs) and the argument
// (to be raw, but still have the unique tag).
let safe_raw: fn(x: *mut i32, y: *mut i32) = unsafe {
mem::transmute::<fn(&mut i32, &mut i32), _>(safe)
};
safe_raw(xraw, xraw);
}