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[stdlib] Mark UInt128.Words as frozen #74507

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Jun 18, 2024
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@Azoy Azoy commented Jun 18, 2024

It seems we forgot to label this new struct as @frozen which inhibits the optimizer's ability to specialize use cases of UInt128. Let's mark it as such. This is an ABI break, but hopefully this type isn't being used broadly yet as it's still pretty new and in beta.

@Azoy Azoy requested a review from a team as a code owner June 18, 2024 00:42
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Azoy commented Jun 18, 2024

@swift-ci please test

@Azoy Azoy merged commit 13bf2ec into swiftlang:main Jun 18, 2024
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@Azoy Azoy deleted the 128-words-are-ice-cold branch June 18, 2024 15:24
Azoy added a commit to Azoy/swift that referenced this pull request Jun 25, 2024
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