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Add a regression test for #32498 #81927

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Feb 15, 2021
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Add a regression test for #32498 #81927

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16 changes: 16 additions & 0 deletions src/test/ui/generics/issue-32498.rs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,16 @@
// run-pass
#![allow(dead_code)]

// Making sure that no overflow occurs.

struct L<T> {
n: Option<T>,
}
type L8<T> = L<L<L<L<L<L<L<L<T>>>>>>>>;
type L64<T> = L8<L8<L8<L8<T>>>>;

fn main() {
use std::mem::size_of;
assert_eq!(size_of::<L64<L64<()>>>(), 1);
assert_eq!(size_of::<L<L64<L64<()>>>>(), 1);
}