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// Ensure we appropriately error instead of overflowing a calculation when creating a new Alloc
// Layout
//@ run-fail
//@ compile-flags: -C opt-level=3
//@ error-pattern: index out of bounds: the len is 0 but the index is 16777216
fn do_test(x: usize) {
let arr = vec![vec![0u8; 3]];
let mut z = Vec::new();
for arr_ref in arr {
for y in 0..x {
for _ in 0..1 {
z.extend(std::iter::repeat(0).take(x));
let a = y * x;
let b = (y + 1) * x - 1;
let slice = &arr_ref[a..b];
eprintln!("{} {} {} {}", a, b, arr_ref.len(), slice.len());
eprintln!("{:?}", slice[1 << 24]);
}
}
}
}
fn main() {
do_test(1);
do_test(2);
}
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