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150
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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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