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Fix off by one

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This commit is contained in:
David Smith
2025-03-10 02:36:12 -07:00
parent 5c5b850f0a
commit 31fa54d3b7
1 changed files with 3 additions and 1 deletions
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4
stdlib/public/core/StringUnicodeScalarView.swift
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@@ -112,7 +112,9 @@ internal func _utf8Count<U: SIMD>(
result += _utf8Count(&ptr, base: base, total: count, type: SIMD8<UInt8>.self)
result += _utf8Count(&ptr, base: base, total: count, type: SIMD4<UInt8>.self)
result += _utf8Count(&ptr, base: base, total: count, type: SIMD2<UInt8>.self)
result += Int(~ptr.loadUnaligned(as: UInt8.self) >> 7)
if ptr < (base + count) {
result += Int(~ptr.loadUnaligned(as: UInt8.self) >> 7)
}
return result
}
#endif