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Tests: Add a test for rdar://158172056 #83689

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Merged
merged 1 commit into from
Aug 13, 2025
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Tests: Add a test for rdar://158172056 #83689

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8 changes: 8 additions & 0 deletions test/Inputs/clang-importer-sdk/usr/include/Foundation.h
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Original file line number Diff line number Diff line change
Expand Up @@ -1243,3 +1243,11 @@ void takeNullableId(_Nullable id);
@interface PaletteDescriptor : NSObject <NSCopying>
@property (readonly, nonnull) ColorArray *colors;
@end

@protocol NSIndexable <NSObject>
- (id)objectAtIndex:(NSInteger)index;
@end

@interface NSCouldConformToIndexable : NSObject
- (id)objectAtIndex:(NSInteger)index;
@end
15 changes: 15 additions & 0 deletions test/decl/protocol/conforms/objc_renamed.swift
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@@ -0,0 +1,15 @@
// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -typecheck -verify %s

// REQUIRES: objc_interop

import Foundation

extension NSCouldConformToIndexable: @retroactive NSIndexable {
}

extension NSCouldConformToIndexable {
func testIndex(_ i: Int) {
_ = objectAtIndex(i) // expected-error {{'objectAtIndex' has been renamed to 'object(at:)'}}
_ = object(at: i)
}
}