[6.0][Sema] Non-exhaustive switch statements are always an error in Swift 6. #73481
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(cherry picked from commit 910bc35)
…with an upcoming feature. The bespoke flag still works as a way to enable the `NonfrozenEnumExhaustivity` upcoming feature. `NonfrozenEnumExhaustivity` is enabled by default in the Swift 6 language mode as errors, and enabled by default in the Swift 5 language mode as warnings. (cherry picked from commit a7920ce)
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@swift-ci please test |
tbkka
approved these changes
May 7, 2024
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NonfrozenEnumExhaustivityupcoming feature flag to subsume the bespoke-enable-nonfrozen-enum-exhaustivity-diagnosticswhich enables the diagnostics as warnings in the Swift 4 and 4.2 language modes.