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//@ run-pass
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#![allow(dead_code)]
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//@ pretty-expanded FIXME #23616
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fn sum(x: &[isize]) -> isize {
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let mut sum = 0;
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for y in x { sum += *y; }
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return sum;
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}
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fn sum_mut(y: &mut [isize]) -> isize {
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sum(y)
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}
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fn sum_imm(y: &[isize]) -> isize {
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sum(y)
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}
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pub fn main() {}
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