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111
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1 // PR c++/71442
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2 // { dg-do compile { target c++11 } }
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3 // { dg-options "-Wunused-variable" }
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4
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5 struct C
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6 {
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7 template<typename... Ts>
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8 int operator()(Ts &&...)
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9 {
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10 return sizeof...(Ts);
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11 }
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12 };
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13
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14 int
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15 foo ()
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16 {
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17 C {} (1, 1L, 1LL, 1.0);
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131
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18 return 0;
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111
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19 }
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20
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21 template<int N>
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22 void
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23 bar ()
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24 {
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25 char a; // { dg-warning "unused variable" }
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26 short b; // { dg-warning "unused variable" }
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27 int c; // { dg-warning "unused variable" }
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28 long d; // { dg-warning "unused variable" }
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29 long long e; // { dg-warning "unused variable" }
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30 float f; // { dg-warning "unused variable" }
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31 double g; // { dg-warning "unused variable" }
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32 }
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33
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34 void
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35 baz ()
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36 {
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37 bar <0> ();
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38 }
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