🍒 utils: Update the bootstrap Windows toolchain #86110
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The current Windows arm64 bootstrap toolchain is not functional. (cherry picked from commit 29eecbe)
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@swift-ci please test |
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cc @Steelskin I'm not able to add you as a reviewer. EDIT: I was able to do it after refreshing the page. |
compnerd
approved these changes
Dec 17, 2025
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@charles-zablit the change itself is fine, but I would appreciate a bit more information in the CCC. The motivation here is that the ARM64 builds require the update, which is why this change is worth bringing into the release. |
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I updated the CCC to add more details. |
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@swift-ci please test macos |
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Explanation:
The current ARM64 pinned toolchain does not work (
swiftcdoes not run), therefore building on an ARM64 machine currently does not work. This patch updates the Windows bootstrap toolchains to a working one, which fixes the build.Scope:
This change impacts the Swift toolchain build script on Windows.
Issues:
Original PRs:
Risk:
Low, this updates from one snapshot to the next.
Testing:
Built at desk on an ARM64 Windows VM.
Reviewers: