| 1 | // RUN: %clang_cc1 -Wmethod-signatures -fsyntax-only -verify %s |
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| 2 | |
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| 3 | @protocol NSWindowDelegate @end |
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| 4 | |
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| 5 | @protocol IBStringsTableWindowDelegate <NSWindowDelegate> |
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| 6 | @end |
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| 7 | |
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| 8 | @interface NSWindow |
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| 9 | - (void)setDelegate:(id <NSWindowDelegate>)anObject; // expected-note {{previous definition is here}} |
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| 10 | - (id <IBStringsTableWindowDelegate>) delegate; // expected-note {{previous definition is here}} |
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| 11 | @end |
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| 12 | |
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| 13 | |
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| 14 | @interface IBStringsTableWindow : NSWindow {} |
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| 15 | @end |
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| 16 | |
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| 17 | @implementation IBStringsTableWindow |
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| 18 | - (void)setDelegate:(id <IBStringsTableWindowDelegate>)delegate { // expected-warning {{conflicting parameter types in implementation of 'setDelegate:'}} |
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| 19 | } |
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| 20 | - (id <NSWindowDelegate>)delegate { // expected-warning {{conflicting return type in implementation of 'delegate':}} |
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| 21 | return 0; |
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| 22 | } |
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| 23 | @end |
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| 24 | |
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