| // 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); |
| } |
