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1 // RUN: %clang_cc1 -fsyntax-only -verify %s
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2 // RUN: not %clang_cc1 -fsyntax-only %s -fdiagnostics-parseable-fixits 2>&1 | \
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3 // RUN: FileCheck %s --check-prefix=C
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4 // RUN: not %clang_cc1 -fsyntax-only %s -fdiagnostics-parseable-fixits -x c++ -std=c++11 2>&1 | \
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5 // RUN: FileCheck %s --check-prefix=CXX11
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6 int x __attribute__((sentinel)); //expected-warning{{'sentinel' attribute only applies to functions, methods and blocks}}
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7
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8 void f1(int a, ...) __attribute__ ((sentinel)); // expected-note {{function has been explicitly marked sentinel here}}
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9 void f2(int a, ...) __attribute__ ((sentinel(1)));
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10
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11 void f3(int a, ...) __attribute__ ((sentinel("hello"))); //expected-error{{'sentinel' attribute requires parameter 1 to be an integer constant}}
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12 void f4(int a, ...) __attribute__ ((sentinel(1, 2, 3))); //expected-error{{'sentinel' attribute takes no more than 2 arguments}}
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13 void f4(int a, ...) __attribute__ ((sentinel(-1))); //expected-error{{parameter 1 less than zero}}
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14 void f4(int a, ...) __attribute__ ((sentinel(0, 2))); // expected-error{{parameter 2 not 0 or 1}}
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15
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16 void f5(int a) __attribute__ ((sentinel)); //expected-warning{{'sentinel' attribute only supported for variadic functions}}
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17
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18
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19 void f6() __attribute__((__sentinel__)); // expected-warning {{'sentinel' attribute requires named arguments}}
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20
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21 void g() {
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22 // The integer literal zero is not a sentinel.
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23 f1(1, 0); // expected-warning {{missing sentinel in function call}}
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24 // C: fix-it:{{.*}}:{23:10-23:10}:", (void*) 0"
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25 // CXX11: fix-it:{{.*}}:{23:10-23:10}:", nullptr"
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26 }
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