[5.1] [IRGen] Mangle Swift @objc(renamed) protocols as Objective-C in metadata #22917
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…ata. When emitting metadata for a Swift-defined @objc protocol that has provided a specific Objective-C name (e.g., via @objc(renamed)), mangle such protocols using their Objective-C names so they can be found at runtime. Only do this for metadata, because doing it anywhere else would cause an ABI break. Fixes rdar://problem/47877748.
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@swift-ci please test |
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Build failed |
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@swift-ci please test Linux |
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When emitting metadata for a Swift-defined @objc protocol that has
provided a specific Objective-C name (e.g., via @objc(renamed)),
mangle such protocols using their Objective-C names so they can be
found at runtime.
Only do this for metadata, because doing it anywhere else would cause
an ABI break. Fixes rdar://problem/47877748.