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stdlib: add support for WebAssembly in VarArgs #39361

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Oct 5, 2021
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stdlib: add support for WebAssembly in VarArgs #39361

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2 changes: 1 addition & 1 deletion stdlib/public/core/VarArgs.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -601,7 +601,7 @@ final internal class __VaListBuilder {
// supported vararg type is greater than the alignment of Int, such
// as non-iOS ARM. Note that we can't use alignof because it
// differs from ABI alignment on some architectures.
#if (arch(arm) && !os(iOS)) || arch(arm64_32)
#if (arch(arm) && !os(iOS)) || arch(arm64_32) || arch(wasm32)
if let arg = arg as? _CVarArgAligned {
let alignmentInWords = arg._cVarArgAlignment / MemoryLayout<Int>.size
let misalignmentInWords = count % alignmentInWords
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