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152
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1 // Verify that top-level cv-qualifiers on parameter types are considered
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2 // when determining the function type of an instantiated function template.
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3 // This resolves a part of Core issues 1001/1322.
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4 // { dg-do compile { target c++11 } }
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5 // { dg-additional-options "-Wno-volatile" }
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6
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7 template<typename... Ts>
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8 void foo0(Ts... t);
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9
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10 template<typename... Ts>
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11 void foo1(const Ts... t);
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12
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13 template<typename... Ts>
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14 void foo2(volatile Ts... t);
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15
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16 template<typename... Ts>
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17 void foo3(const volatile Ts... t);
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18
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19 #if __cplusplus >= 201103L
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20 #define SA(X) static_assert(X,#X)
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21 SA(__is_same(decltype(foo0<char[]>), void(char*)));
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22 SA(__is_same(decltype(foo0<const char[]>), void(const char*)));
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23 SA(__is_same(decltype(foo0<volatile char[]>), void(volatile char*)));
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24 SA(__is_same(decltype(foo0<const volatile char[]>), void(const volatile char*)));
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25
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26 SA(__is_same(decltype(foo1<char[]>), void(const char*)));
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27 SA(__is_same(decltype(foo1<const char[]>), void(const char*)));
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28 SA(__is_same(decltype(foo1<volatile char[]>), void(const volatile char*)));
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29 SA(__is_same(decltype(foo1<const volatile char[]>), void(const volatile char*)));
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30
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31 SA(__is_same(decltype(foo2<char[]>), void(volatile char*)));
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32 SA(__is_same(decltype(foo2<const char[]>), void(const volatile char*)));
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33 SA(__is_same(decltype(foo2<volatile char[]>), void(volatile char*)));
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34 SA(__is_same(decltype(foo2<const volatile char[]>), void(const volatile char*)));
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35
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36 SA(__is_same(decltype(foo3<char[]>), void(const volatile char*)));
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37 SA(__is_same(decltype(foo3<const char[]>), void(const volatile char*)));
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38 SA(__is_same(decltype(foo3<volatile char[]>), void(const volatile char*)));
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39 SA(__is_same(decltype(foo3<const volatile char[]>), void(const volatile char*)));
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40 #endif
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41
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42 int main()
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43 {
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44 foo0<char[]>(0);
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45 foo0<const char[]>(0);
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46 foo0<volatile char[]>(0);
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47 foo0<const volatile char[]>(0);
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48
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49 foo1<char[]>(0);
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50 foo1<const char[]>(0);
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51 foo1<volatile char[]>(0);
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52 foo1<const volatile char[]>(0);
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53
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54 foo2<char[]>(0);
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55 foo2<const char[]>(0);
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56 foo2<volatile char[]>(0);
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57 foo2<const volatile char[]>(0);
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58
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59 foo3<char[]>(0);
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60 foo3<const char[]>(0);
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61 foo3<volatile char[]>(0);
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62 foo3<const volatile char[]>(0);
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63 }
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