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//@ run-fail
//@ compile-flags: -Copt-level=3 -Cdebug-assertions=no -Zub-checks=yes
//@ error-pattern: unsafe precondition(s) violated: slice::from_raw_parts_mut requires
//@ revisions: null misaligned toolarge
fn main() {
unsafe {
#[cfg(null)]
let _s: &mut [u8] = std::slice::from_raw_parts_mut(std::ptr::null_mut(), 0);
#[cfg(misaligned)]
let _s: &mut [u16] = std::slice::from_raw_parts_mut(1usize as *mut u16, 0);
#[cfg(toolarge)]
let _s: &mut [u16] =
std::slice::from_raw_parts_mut(2usize as *mut u16, isize::MAX as usize);
}
}
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