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150
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1 // RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -verify %s -fobjc-arc
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2 //
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3 // These tests exist as a means to help ensure that diagnostics aren't printed
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4 // in overload resolution in ObjC.
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5
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6 struct Type1 { int a; };
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7 typedef const __attribute__((objc_bridge(id))) void * CFTypeRef;
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8 @interface Iface1 @end
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9
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10 @interface NeverCalled
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11 - (void) test:(struct Type1 *)arg;
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12 - (void) test2:(CFTypeRef)arg;
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13 @end
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14
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15 @interface TakesIface1
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16 - (void) test:(Iface1 *)arg;
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17 - (void) test2:(Iface1 *)arg;
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18 @end
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19
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20 // PR26085, rdar://problem/24111333
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21 void testTakesIface1(id x, Iface1 *arg) {
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22 // This should resolve silently to `TakesIface1`.
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23 [x test:arg];
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24 [x test2:arg];
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25 }
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26
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27 @class NSString;
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28 @interface NeverCalledv2
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29 - (void) testStr:(NSString *)arg;
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30 @end
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31
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32 @interface TakesVanillaConstChar
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33 - (void) testStr:(const void *)a;
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34 @end
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35
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36 // Not called out explicitly by PR26085, but related.
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37 void testTakesNSString(id x) {
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38 // Overload resolution should not emit a diagnostic about needing to add an
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39 // '@' before "someStringLiteral".
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40 [x testStr:"someStringLiteral"];
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41 }
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42
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236
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43 id CreateSomething(void);
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150
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44
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45 @interface TakesCFTypeRef
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46 - (void) testCFTypeRef:(CFTypeRef)arg;
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47 @end
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48
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49 @interface NeverCalledv3
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50 - (void) testCFTypeRef:(struct Type1 *)arg;
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51 @end
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52
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53 // Not called out explicitly by PR26085, but related.
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54 void testTakesCFTypeRef(id x) {
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55 // Overload resolution should occur silently, select the CFTypeRef overload,
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56 // and produce a single complaint. (with notes)
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57 [x testCFTypeRef:CreateSomething()]; // expected-error{{implicit conversion of Objective-C pointer type 'id' to C pointer type 'CFTypeRef'}} expected-note{{use __bridge}} expected-note{{use __bridge_retained}}
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58 }
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