6.2: Build and install Testing and Foundation for Wasm Swift SDK #83059
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Since 5f2b002, swift-testing is being compiled with WMO, which removes some of inter-object references in object files by DCE. The inter-object reference removal revealed a long-standing issue that the runtime metadata sections of objects in an archive are not always included in the final binary if symbols from those objects are not referenced anywhere. To force including all metadata sections in the final binary, we have to emit everything in a single object file when building the archive. This issue happens only for Wasm SDK, which ships swift-testing as a static archive.
This reverts commit d5abfa4.
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bnbarham
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Jul 17, 2025
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Cherry-pick of #82285, merged as 05204bd
Explanation: Include Swift Testing Foundation and libxml2 into the Swift SDK for WebAssembly
Scope: Limited to Swift SDK for Wasm
Risk: Low, due to limited scope. Changes were incubated on
mainfor 2 weeks with no known issues. Swift Testing changes were incubated for more than a month.Testing: Manual testing with Swift SDKs produced off
main.Issue: rdar://155865189
Reviewer: @MaxDesiatov