Diagnose conformances on @objcImpl extensions #66609
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Note that the new errors in this PR will become warnings when cherry-picked to the release/5.9 branch. |
@objcImpl extensions aren’t allowed to declare new conformances; instead, they should either be declared in the header or in an ordinary extensions. (If they were permitted, they’d be ignored.) Fixes rdar://110669366.
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tshortli
approved these changes
Jun 14, 2023
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@objcImplextensions aren’t allowed to declare new conformances; instead, they should either be declared in the header or in an ordinary extensions. (If they were permitted, they’d be ignored.)Fixes rdar://110669366.