mirror of https://github.com/rust-lang/rust
32 lines
788 B
Rust
32 lines
788 B
Rust
//@ run-fail
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//@ compile-flags: -C opt-level=3
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//@ error-pattern: index out of bounds: the len is 0 but the index is 16777216
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fn do_test(x: usize) {
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let mut arr = vec![vec![0u8; 3]];
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let mut z = vec![0];
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for arr_ref in arr.iter_mut() {
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for y in 0..x {
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for _ in 0..1 {
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z.reserve_exact(x);
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let iterator = std::iter::repeat(0).take(x);
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let mut cnt = 0;
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iterator.for_each(|_| {
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z[0] = 0;
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cnt += 1;
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});
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let a = y * x;
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let b = (y + 1) * x - 1;
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let slice = &mut arr_ref[a..b];
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slice[1 << 24] += 1;
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}
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}
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}
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}
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fn main() {
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do_test(1);
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do_test(2);
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}
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