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swift-frontend DebugInfo: support .dwo split debug info#88437

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swiftlang:mainfrom
MaxDesiatov:maxd/split-debug-info
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swift-frontend DebugInfo: support .dwo split debug info#88437
MaxDesiatov wants to merge 2 commits into
swiftlang:mainfrom
MaxDesiatov:maxd/split-debug-info

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Split debug info is crucial on platforms with binary size constraints, like those supported by Embedded Swift. The first step is to enable emission of .dwo files in swift-frontend.

@MaxDesiatov MaxDesiatov added debug info Area → compiler → IRGen: Debug information emission embedded Embedded Swift labels Apr 13, 2026
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@swift-ci smoke test

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swiftlang/swift-driver#2119
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@MaxDesiatov MaxDesiatov moved this to In Progress in Swift for Wasm Apr 13, 2026
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debug info Area → compiler → IRGen: Debug information emission embedded Embedded Swift

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