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stdlib: Guard @inlinable use of withMemoryRebound() with #if $TypedThrows #72301

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Merged
merged 1 commit into from
Mar 13, 2024
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stdlib: Guard @inlinable use of withMemoryRebound() with #if $TypedThrows #72301

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8 changes: 8 additions & 0 deletions stdlib/public/core/UnsafeRawBufferPointer.swift.gyb
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Original file line number Diff line number Diff line change
Expand Up @@ -1133,6 +1133,7 @@ extension Unsafe${Mutable}RawBufferPointer {
public func withContiguousMutableStorageIfAvailable<R>(
_ body: (inout UnsafeMutableBufferPointer<Element>) throws -> R
) rethrows -> R? {
#if $TypedThrows
try withMemoryRebound(to: Element.self) { b in
var buffer = b
defer {
Expand All @@ -1143,6 +1144,9 @@ extension Unsafe${Mutable}RawBufferPointer {
}
return try body(&buffer)
}
#else
fatalError("unsupported compiler")
#endif
}

% end
Expand All @@ -1151,9 +1155,13 @@ extension Unsafe${Mutable}RawBufferPointer {
public func withContiguousStorageIfAvailable<R>(
_ body: (UnsafeBufferPointer<Element>) throws -> R
) rethrows -> R? {
#if $TypedThrows
try withMemoryRebound(to: Element.self) {
try body(${ 'UnsafeBufferPointer<Element>($0)' if Mutable else '$0' })
}
#else
fatalError("unsupported compiler")
#endif
}
}

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