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Fix copy_from_slice which should be extend_from_slice

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This commit is contained in:
Markus Westerlind 2020-01-09 07:45:29 +01:00
parent a5657dbc43
commit 898ed636a3
1 changed files with 1 additions and 1 deletions
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2
src/librustc/ty/structural_impls.rs
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@ -1078,7 +1078,7 @@ where
}) {
// An element changed, prepare to intern the resulting list
let mut new_list = SmallVec::<[_; 8]>::with_capacity(list.len());
new_list.copy_from_slice(&list[..i]);
new_list.extend_from_slice(&list[..i]);
new_list.push(new_t);
new_list.extend(iter.map(|t| t.fold_with(folder)));
intern(folder.tcx(), &new_list)