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Revert 465aa22b81d96514f1813787fdfe9f23375deadc #67842

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Aug 10, 2023
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11 changes: 2 additions & 9 deletions stdlib/public/core/RangeReplaceableCollection.swift
Original file line number Diff line number Diff line change
Expand Up @@ -453,15 +453,8 @@ extension RangeReplaceableCollection {
@inlinable
public mutating func append<S: Sequence>(contentsOf newElements: __owned S)
where S.Element == Element {

let done:Void? = newElements.withContiguousStorageIfAvailable {
replaceSubrange(endIndex..<endIndex, with: $0)
}

if done == nil {
for element in newElements {
append(element)
}
for element in newElements {
append(element)
}
}

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