IRGen: Make copying value witnesses trap for noncopyable types. #64194
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It shouldn't normally be possible to invoke them, but if someone does dynamically grab metadata for a noncopyable type and try to use it to copy a value that can't be copied, they must be stopped.
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@swift-ci Please test |
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It shouldn't normally be possible to invoke them, but if someone does dynamically grab metadata for a noncopyable type and try to use it to copy a value that can't be copied, they must be stopped.