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1 // RUN: %clang_cc1 -x objective-c %s -fsyntax-only -verify
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2 // rdar://8592641
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3 Class f0() { return objc_getClass("a"); } // expected-warning {{implicitly declaring library function 'objc_getClass' with type 'id (const char *)'}} \
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4 // expected-note {{include the header <objc/runtime.h> or explicitly provide a declaration for 'objc_getClass'}}
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5
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6 // rdar://8735023
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7 Class f1() { return objc_getMetaClass("a"); } // expected-warning {{implicitly declaring library function 'objc_getMetaClass' with type 'id (const char *)'}} \
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8 // expected-note {{include the header <objc/runtime.h> or explicitly provide a declaration for 'objc_getMetaClass'}}
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9
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10 void f2(id val) { objc_enumerationMutation(val); } // expected-warning {{implicitly declaring library function 'objc_enumerationMutation' with type 'void (id)'}} \
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11 // expected-note {{include the header <objc/runtime.h> or explicitly provide a declaration for 'objc_enumerationMutation'}}
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12
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13 long double f3(id self, SEL op) { return objc_msgSend_fpret(self, op); } // expected-warning {{implicitly declaring library function 'objc_msgSend_fpret' with type 'long double (id, SEL, ...)'}} \
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14 // expected-note {{include the header <objc/message.h> or explicitly provide a declaration for 'objc_msgSend_fpret'}}
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15
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16 id f4(struct objc_super *super, SEL op) { // expected-warning {{declaration of 'struct objc_super' will not be visible outside of this function}}
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17 return objc_msgSendSuper(super, op); // expected-warning {{implicitly declaring library function 'objc_msgSendSuper' with type 'id (struct objc_super *, SEL, ...)'}} \
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18 // expected-note {{include the header <objc/message.h> or explicitly provide a declaration for 'objc_msgSendSuper'}}
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19 }
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20
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21 id f5(id val, id *dest) {
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22 return objc_assign_strongCast(val, dest); // expected-warning {{implicitly declaring library function 'objc_assign_strongCast' with type 'id (id, id *)'}} \
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23 // expected-note {{include the header <objc/objc-auto.h> or explicitly provide a declaration for 'objc_assign_strongCast'}}
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24 }
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25
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26 int f6(Class exceptionClass, id exception) {
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27 return objc_exception_match(exceptionClass, exception); // expected-warning {{implicitly declaring library function 'objc_exception_match' with type 'int (id, id)'}} \
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28 // expected-note {{include the header <objc/objc-exception.h> or explicitly provide a declaration for 'objc_exception_match'}}
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29 }
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