tests/ui/precondition-checks/layout.rs

//@ run-crash
//@ compile-flags: -Copt-level=3 -Cdebug-assertions=no -Zub-checks=yes
//@ error-pattern: unsafe precondition(s) violated: Layout::from_size_align_unchecked requires
//@ revisions: toolarge badalign

fn main() {
    unsafe {
        #[cfg(toolarge)]
        std::alloc::Layout::from_size_align_unchecked(isize::MAX as usize, 2);
        #[cfg(badalign)]
        std::alloc::Layout::from_size_align_unchecked(1, 3);
    }
}